HPI Replacement RC Car Parts

A selection of replacement parts for HPI. These parts are not original parts unless otherwise stated in the descriptions. Please check your choices thoroughly.

Add the quantities required for each item, then click "Add to Cart" before proceeding to the next page

Replacement Parts Price Quantity
Single Row Ball Bearings - 3x6x2.5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Pro 4: BB 3-6-2.5
HPI RS4 Pro 4: BB 3-6-2.5
HPI Pro 4: Replacement Bearing - Economy Bearing Shielded Option
HPI RS4 Pro 4: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: FMR63A-ZZ-ECO (Each)
Double shielded flanged economy bearing

Single Row Ball Bearings - 3x6x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing

$4.50 $8.49
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Thrust Ball Bearings - 3x8x3.5 mm / 3.2 mm Grooved - Chrome Steel - Replaces -
HPI Micro RS4: BB 3-8-3.500
HPI Micro RS4 Complete With Upgrade: BB 3-8-3.500
HPI Micro RS4 RTR 4WD: BB 3-8-3.500
HPI Micro RS4: Thrust Bearing - Brass Retainer
HPI Micro RS4 Complete With Upgrade: Thrust Bearing - Brass Retainer
HPI Micro RS4 RTR 4WD: Thrust Bearing - Brass Retainer

Replacement Part: T-0030-0080-G-BR (Each)
Thrust bearing with 2 Grooved Washers and retainerd Balls

Thrust Ball Bearings - 3x8x3.5 mm / 3.2 mm Grooved - Chrome Steel Bearing

$37.32 $44.78
Temporarily Out Of Stock -> Backorder now for delivery around Jun 23, 2026
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Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100 HPI Micro RS4: Replacement Bearing - Economy Bearing
HPI Micro RS4 Complete With Upgrade: Replacement Bearing - Economy Bearing
HPI Micro RS4 RTR 4WD: Replacement Bearing - Economy Bearing

Replacement Part: 693A-2RS-ECO (Each)
Double black rubber sealed economy bearing

Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.77
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Single Row Ball Bearings - 3x6x2.5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Micro RS4 Complete With Upgrade: BB 3-6-2.5
HPI Micro RS4 RTR 4WD: BB 3-6-2.5
HPI Micro RS4 Complete With Upgrade: Bearing - Standard Bearing
HPI Micro RS4 RTR 4WD: Bearing - Standard Bearing

Replacement Part: MR63A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 3x6x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.86
38 Available Now -> Orders for more than 38 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 3x6x2.5 mm - Chrome Steel SAE 52100 - Replaces -
HPI RS4 Pro 4: BB 3-6-2.5
HPI RS4 Pro 4: Replacement Bearing - Economy Bearing

Replacement Part: FMR63A-2RG-ECO (PK-10)
Deleted Item. Available while stocks last. Double green sealed flanged economy bearing

Single Row Ball Bearings - 3x6x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing

$8.00 $15.20
180 (1800 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI Micro RS4: BB 3-8-4
HPI Micro RS4 Complete With Upgrade: BB 3-8-4
HPI Micro RS4 RTR 4WD: BB 3-8-4
HPI Micro RS4: Bearing - Standard Bearing
HPI Micro RS4 Complete With Upgrade: Bearing - Standard Bearing
HPI Micro RS4 RTR 4WD: Bearing - Standard Bearing

Replacement Part: 693A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.23
158 Available Now -> Orders for more than 158 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Pro 4: BB 4-7-2.5
HPI RS4 Pro 4: BB 4-7-2.5
HPI Pro 4: Bearing - Standard Bearing
HPI RS4 Pro 4: Bearing - Standard Bearing Shielded Option

Replacement Part: MR74A-ZZS-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.14
158 Available Now -> Orders for more than 158 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100 - Replaces -
HPI RS4 Pro 4: BB 4-7-2.5
HPI RS4 Pro 4: Bearing - Economy Bearing Sealed Option

Replacement Part: MR74A-2RB-ECO (PK-2)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.39 $5.27
4 (8 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
HPI Nitro RS4 Sport: BB 4-8-3
HPI R40: BB 4-8-3
HPI R40 With Clutch Bell And Steering: BB 4-8-3
HPI RS4 Mini: BB 4-8-3
HPI RS4 Mini Pro: BB 4-8-3
HPI RS4 MT: BB 4-8-3
HPI RS4 Nitro RaceR 2 Car: BB 4-8-3
HPI RS4 Pro: BB 4-8-3
HPI RS4 Pro 2 With Steering: BB 4-8-3
HPI RS4 Pro 3: BB 4-8-3
HPI RS4 Pro Sport: BB 4-8-3
HPI RS4 Pro3 Spec: BB 4-8-3
HPI RS4 RaceR 2: BB 4-8-3
HPI RS4 Rally: BB 4-8-3
HPI RS4 Sport 2 Complete Kit: BB 4-8-3
HPI RTR Sprint: BB 4-8-3
HPI Super Nitro RS4: BB 4-8-3
HPI Super Nitro RS4 Rally: BB 4-8-3
HPI Nitro RS4 Sport: Bearing - Standard Bearing Shielded Option
HPI R40: Bearing - Standard Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Bearing - Standard Bearing Shielded Option
HPI RS4: Bearing - Standard Bearing Shielded Option
HPI RS4 Mini: Bearing - Standard Bearing Shielded Option
HPI RS4 Mini Pro: Bearing - Standard Bearing Shielded Option
HPI RS4 MT: Bearing - Standard Bearing Shielded Option
HPI RS4 Nitro RaceR 2 Car: Bearing - Standard Bearing Shielded Option
HPI RS4 Pro: Bearing - Standard Bearing Shielded Option
HPI RS4 Pro 2 With Steering: Bearing - Standard Bearing Shielded Option
HPI RS4 Pro 3: Bearing - Standard Bearing Shielded Option
HPI RS4 Pro Sport: Bearing - Standard Bearing Shielded Option
HPI RS4 Pro3 Spec: Bearing - Standard Bearing Shielded Option
HPI RS4 RaceR 2: Bearing - Standard Bearing Shielded Option
HPI RS4 Rally: Bearing - Standard Bearing Shielded Option
HPI RS4 Sport 2 Complete Kit: Bearing - Standard Bearing Shielded Option
HPI RTR Sprint: Bearing - Standard Bearing Shielded Option
HPI Super Nitro RS4: Bearing - Standard Bearing Shielded Option
HPI Super Nitro RS4 Rally: Bearing - Standard Bearing Shielded Option

Replacement Part: MR84A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
193 Available Now -> Orders for more than 193 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
HPI Nitro RS4 Sport: BB 4-8-3
HPI R40: BB 4-8-3
HPI R40 With Clutch Bell And Steering: BB 4-8-3
HPI RS4 Mini: BB 4-8-3
HPI RS4 Mini Pro: BB 4-8-3
HPI RS4 MT: BB 4-8-3
HPI RS4 Nitro RaceR 2 Car: BB 4-8-3
HPI RS4 Pro: BB 4-8-3
HPI RS4 Pro 2 With Steering: BB 4-8-3
HPI RS4 Pro 3: BB 4-8-3
HPI RS4 Pro Sport: BB 4-8-3
HPI RS4 Pro3 Spec: BB 4-8-3
HPI RS4 RaceR 2: BB 4-8-3
HPI RS4 Rally: BB 4-8-3
HPI RS4 Sport 2 Complete Kit: BB 4-8-3
HPI RTR Sprint: BB 4-8-3
HPI Super Nitro RS4: BB 4-8-3
HPI Super Nitro RS4 Rally: BB 4-8-3
HPI Nitro RS4 Sport: Bearing - Economy Bearing Shielded Option
HPI R40: Bearing - Economy Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Bearing - Economy Bearing Shielded Option
HPI RS4: Bearing - Economy Bearing Shielded Option
HPI RS4 Mini: Bearing - Economy Bearing Shielded Option
HPI RS4 Mini Pro: Bearing - Economy Bearing Shielded Option
HPI RS4 MT: Bearing - Economy Bearing Shielded Option
HPI RS4 Nitro RaceR 2 Car: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro 2 With Steering: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro 3: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro Sport: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro3 Spec: Bearing - Economy Bearing Shielded Option
HPI RS4 RaceR 2: Bearing - Economy Bearing Shielded Option
HPI RS4 Rally: Bearing - Economy Bearing Shielded Option
HPI RS4 Sport 2 Complete Kit: Bearing - Economy Bearing Shielded Option
HPI RTR Sprint: Bearing - Economy Bearing Shielded Option
HPI Super Nitro RS4: Bearing - Economy Bearing Shielded Option
HPI Super Nitro RS4 Rally: Bearing - Economy Bearing Shielded Option

Replacement Part: MR84A-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.14
43 (215 pcs) Available Now -> Orders for more than 43 can be expected around Jun 12, 2026
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Thrust Ball Bearings - 4x9x4 mm / 4.2 mm Grooved - Stainless Steel AISI 440C - Replaces -
HPI R40 With Clutch Bell And Steering: BB 4-9-4
HPI R40 With Clutch Bell And Steering: Thrust Bearing - Stainless Steel

Replacement Part: T-0040-0090-G-S440 (Each)
Thrust bearing with 2 Grooved Washers and retainerd Balls

Thrust Ball Bearings - 4x9x4 mm / 4.2 mm Grooved - Stainless Steel AISI 440C Bearing

$6.50
23 Available Now -> Orders for more than 23 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 4.763x9.525x3.175 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
HPI RS4 Nitro Rush: BB 4.76-9.53-3.18
HPI Rush Evo: BB 4.76-9.53-3.18
HPI RS4 Nitro Rush: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Rush Evo: Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: R166-CSN-ZZS-ACO-ECO (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 4.763x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing

$3.04 $6.13
93 Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 4.763x9.525x3.175 mm - Chrome Steel SAE 52100 - Replaces -
HPI RS4 Nitro Rush: BB 4.76-9.53-3.18
HPI Rush Evo: BB 4.76-9.53-3.18
HPI RS4 Nitro Rush: Bearing - Economy Bearing Shielded Option
HPI Rush Evo: Bearing - Economy Bearing Shielded Option

Replacement Part: R166-ZZS-ECO (PK-2)
Double shielded economy bearing

Single Row Ball Bearings - 4.763x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing

$2.95
38 (76 pcs) Available Now -> Orders for more than 38 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 4.763x9.525x3.175 mm - Chrome Steel SAE 52100 - Replaces -
HPI RS4 Nitro Rush: BB 4.76-9.53-3.18
HPI Rush Evo: BB 4.76-9.53-3.18
HPI RS4 Nitro Rush: Bearing - Economy Bearing Sealed Option
HPI Rush Evo: Bearing - Economy Bearing Sealed Option

Replacement Part: R166-2RB-ECO (PK-5)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 4.763x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.56 $6.15
10 (50 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 5x8x2.5 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
HPI Micro RS4: BB 5-8-2.5
HPI Micro RS4 Complete With Upgrade: BB 5-8-2.5
HPI Micro RS4 RTR 4WD: BB 5-8-2.5
HPI Nitro RS4 3 RTR: BB 5-8-2.5
HPI Pro 4: BB 5-8-2.5
HPI R40 With Clutch Bell And Steering: BB 5-8-2.5
HPI RS4 Mini Pro: BB 5-8-2.5
HPI RS4 Pro: BB 5-8-2.5
HPI RS4 Pro 2 With Steering: BB 5-8-2.5
HPI RS4 Pro 3: BB 5-8-2.5
HPI RS4 Pro 4: BB 5-8-2.5
HPI RS4 Pro3 Spec: BB 5-8-2.5
HPI RS4 Sport 2 Complete Kit: BB 5-8-2.5
HPI Micro RS4: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Micro RS4 Complete With Upgrade: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Micro RS4 RTR 4WD: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Nitro RS4 3 RTR: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Pro 4: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Mini Pro: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro 2 With Steering: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro 3: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro 4: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro3 Spec: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Sport 2 Complete Kit: Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: MR85A-CSN-ZZS-G90-ECO (Each)
Double shielded economy ceramic-hybrid Bearing

Single Row Ball Bearings - 5x8x2.5 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing

$26.77
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
View Entire Category:
Single Row Ball Bearings - 5x8x2.5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Micro RS4: BB 5-8-2.5
HPI Micro RS4 Complete With Upgrade: BB 5-8-2.5
HPI Micro RS4 RTR 4WD: BB 5-8-2.5
HPI Nitro RS4 3 RTR: BB 5-8-2.5
HPI R40 With Clutch Bell And Steering: BB 5-8-2.5
HPI RS4 Mini Pro: BB 5-8-2.5
HPI RS4 Pro: BB 5-8-2.5
HPI RS4 Pro 2 With Steering: BB 5-8-2.5
HPI RS4 Pro 3: BB 5-8-2.5
HPI RS4 Pro 4: BB 5-8-2.5
HPI RS4 Pro3 Spec: BB 5-8-2.5
HPI RS4 Sport 2 Complete Kit: BB 5-8-2.5
HPI Micro RS4: Bearing - Economy Bearing Sealed Option
HPI Micro RS4 Complete With Upgrade: Bearing - Economy Bearing Sealed Option
HPI Micro RS4 RTR 4WD: Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 3 RTR: Bearing - Economy Bearing Sealed Option
HPI R40 With Clutch Bell And Steering: Bearing - Economy Bearing Sealed Option
HPI RS4 Mini Pro: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 2 With Steering: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 3: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 4: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro3 Spec: Bearing - Economy Bearing Sealed Option
HPI RS4 Sport 2 Complete Kit: Bearing - Economy Bearing Sealed Option

Replacement Part: MR85A-2RB-ECO (PK-5)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 5x8x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$2.59 $7.46
58 (290 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 5x8x2.5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Micro RS4: BB 5-8-2.5
HPI Micro RS4 Complete With Upgrade: BB 5-8-2.5
HPI Micro RS4 RTR 4WD: BB 5-8-2.5
HPI Nitro RS4 3 RTR: BB 5-8-2.5
HPI Pro 4: BB 5-8-2.5
HPI R40 With Clutch Bell And Steering: BB 5-8-2.5
HPI RS4 Mini Pro: BB 5-8-2.5
HPI RS4 Pro: BB 5-8-2.5
HPI RS4 Pro 2 With Steering: BB 5-8-2.5
HPI RS4 Pro 3: BB 5-8-2.5
HPI RS4 Pro 4: BB 5-8-2.5
HPI RS4 Pro3 Spec: BB 5-8-2.5
HPI RS4 Sport 2 Complete Kit: BB 5-8-2.5
HPI Micro RS4: Bearing - Economy Bearing Shielded Option
HPI Micro RS4 Complete With Upgrade: Bearing - Economy Bearing Shielded Option
HPI Micro RS4 RTR 4WD: Bearing - Economy Bearing Shielded Option
HPI Nitro RS4 3 RTR: Bearing - Economy Bearing Shielded Option
HPI Pro 4: Bearing - Economy Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Bearing - Economy Bearing Shielded Option
HPI RS4 Mini Pro: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro 2 With Steering: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro 3: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro 4: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro3 Spec: Bearing - Economy Bearing Shielded Option
HPI RS4 Sport 2 Complete Kit: Bearing - Economy Bearing Shielded Option

Replacement Part: MR85A-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 5x8x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.95
50 (250 pcs) Available Now -> Orders for more than 50 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 5x8x2.5 mm - Chrome Steel SAE 52100 - Replaces -
HPI R40 With Clutch Bell And Steering: BB 5-8-2.5
HPI R40 With Clutch Bell And Steering: Replacement Bearing - Standard Flanged Bearing Shielded Option

Replacement Part: FMR85A-ZZS-MC3 (Each)
Double shielded flanged bearing

Single Row Ball Bearings - 5x8x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing

$4.14
221 Available Now -> Orders for more than 221 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 5x8x2.5 mm - Chrome Steel SAE 52100 - Replaces -
HPI R40 With Clutch Bell And Steering: BB 5-8-2.5
HPI R40 With Clutch Bell And Steering: Replacement Bearing - Economy Bearing Sealed Option

Replacement Part: FMR85A-2RS-ECO (PK-10)
Deleted Item. Available while stocks last. Double black rubber sealed economy flanged bearing

Single Row Ball Bearings - 5x8x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing

$20.00 $38.00
18 (180 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 5-10-4
HPI Hellfire: BB 5-10-4
HPI MT2 18SS Nitro: BB 5-10-4
HPI Nitro RS4 3 Evo RTR: BB 5-10-4
HPI Pro 4: BB 5-10-4
HPI Proceed: BB 5-10-4
HPI Proceed Update: BB 5-10-4
HPI RS4 Pro: BB 5-10-4
HPI RS4 Pro 4: BB 5-10-4
HPI RS4 RTR 3 Type SS: BB 5-10-4
HPI RTR Sprint: BB 5-10-4
HPI Savage 25 and RTR: BB 5-10-4
HPI Savage SS: BB 5-10-4
HPI Savage XSS: BB 5-10-4
HPI Baja 5B: Bearing - Standard Bearing Shielded Option
HPI Hellfire: Bearing - Standard Bearing Shielded Option
HPI MT2 18SS Nitro: Bearing - Standard Bearing Shielded Option
HPI Nitro RS4 3 Evo RTR: Bearing - Standard Bearing Shielded Option
HPI Pro 4: Bearing - Standard Bearing
HPI Proceed: Bearing - Standard Bearing Shielded Option
HPI Proceed Update: Bearing - Standard Bearing Shielded Option
HPI RS4 Pro: Bearing - Standard Bearing Shielded Option
HPI RS4 Pro 4: Bearing - Standard Bearing Shielded Option
HPI RS4 RTR 3 Type SS: Bearing - Standard Bearing Shielded Option
HPI RTR Sprint: Bearing - Standard Bearing Shielded Option
HPI Savage 25 and RTR: Bearing - Standard Bearing Shielded Option
HPI Savage SS: Bearing - Standard Bearing Shielded Option
HPI Savage XSS: Bearing - Standard Bearing Shielded Option

Replacement Part: MR105A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 5x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.77
419 Available Now -> Orders for more than 419 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 5-10-4
HPI E Savage: BB 5-10-4
HPI Hellfire: BB 5-10-4
HPI MT2 18SS Nitro: BB 5-10-4
HPI Nitro RS4 3 Evo RTR: BB 5-10-4
HPI Proceed: BB 5-10-4
HPI Proceed Update: BB 5-10-4
HPI RS4 Pro: BB 5-10-4
HPI RS4 Pro 4: BB 5-10-4
HPI RS4 RTR 3 Type SS: BB 5-10-4
HPI RTR Sprint: BB 5-10-4
HPI Savage 25 and RTR: BB 5-10-4
HPI Savage and SavageX: BB 5-10-4
HPI Savage SS: BB 5-10-4
HPI Savage XSS: BB 5-10-4
HPI Baja 5B: Bearing - Economy Bearing Sealed Option
HPI E Savage: Bearing - Economy Bearing
HPI Hellfire: Bearing - Economy Bearing Sealed Option
HPI MT2 18SS Nitro: Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 3 Evo RTR: Bearing - Economy Bearing Sealed Option
HPI Proceed: Bearing - Economy Bearing Sealed Option
HPI Proceed Update: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 4: Bearing - Economy Bearing Sealed Option
HPI RS4 RTR 3 Type SS: Bearing - Economy Bearing Sealed Option
HPI RTR Sprint: Bearing - Economy Bearing Sealed Option
HPI Savage 25 and RTR: Bearing - Economy Bearing Sealed Option
HPI Savage and SavageX: Bearing - Economy Bearing
HPI Savage SS: Bearing - Economy Bearing Sealed Option
HPI Savage XSS: Bearing - Economy Bearing Sealed Option

Replacement Part: MR105A-2RB-ECO (PK-5)
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing

Single Row Ball Bearings - 5x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.50 $8.55
80 (400 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI Proceed: BB 5-10-4
HPI Proceed Update: BB 5-10-4
HPI Proceed: Replacement Bearing - Standard Flanged Bearing Shielded Option
HPI Proceed Update: Replacement Bearing - Standard Flanged Bearing Shielded Option

Replacement Part: FMR105A-ZZ-MC3 (Each)
Double shielded flanged bearing

Single Row Ball Bearings - 5x10x4 mm Flanged - Chrome Steel SAE 52100 Bearing

$7.05
154 Available Now -> Orders for more than 154 can be expected around Jun 12, 2026
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Thrust Ball Bearings - 5x10x4 mm / 5.2 mm Grooved - Chrome Steel - Replaces -
HPI Proceed: BB 5-10-4
HPI Proceed Update: BB 5-10-4
HPI Proceed: Thrust Bearing - Steel Retainer
HPI Proceed Update: Thrust Bearing - Steel Retainer

Replacement Part: T-0050-0100-G (Each)
Thrust bearing with 2 Grooved Washers and retainerd Balls

Thrust Ball Bearings - 5x10x4 mm / 5.2 mm Grooved - Chrome Steel Bearing

$9.41
27 Available Now -> Orders for more than 27 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 5x11x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI Micro RS4: BB 5-11-4
HPI Micro RS4 Complete With Upgrade: BB 5-11-4
HPI Micro RS4 RTR 4WD: BB 5-11-4
HPI Micro RS4 RTR3: BB 5-11-4
HPI MT2 18SS Nitro: BB 5-11-4
HPI MT2 Nitro: BB 5-11-4
HPI Nitro Mini RS4: BB 5-11-4
HPI Nitro Race RS4 MT: BB 5-11-4
HPI Nitro RS4: BB 5-11-4
HPI Nitro RS4 2: BB 5-11-4
HPI Nitro RS4 3 Evo RTR: BB 5-11-4
HPI Nitro RS4 3 RTR: BB 5-11-4
HPI Nitro RS4 MT: BB 5-11-4
HPI Nitro RS4 Sport: BB 5-11-4
HPI RS4 Mini: BB 5-11-4
HPI RS4 Mini Pro: BB 5-11-4
HPI RS4 Nitro RaceR 2 Car: BB 5-11-4
HPI RS4 Nitro RTRSuper Nitro RAll: BB 5-11-4
HPI RS4 Nitro Rush: BB 5-11-4
HPI RS4 Pro: BB 5-11-4
HPI RS4 Pro 2 With Steering: BB 5-11-4
HPI RS4 Pro 3: BB 5-11-4
HPI RS4 Pro Sport: BB 5-11-4
HPI RS4 Pro3 Spec: BB 5-11-4
HPI RS4 RaceR 2: BB 5-11-4
HPI RS4 Rally: BB 5-11-4
HPI RS4 RTR 3 Type SS: BB 5-11-4
HPI RS4 Sport 2 Complete Kit: BB 5-11-4
HPI Rush Evo: BB 5-11-4
HPI Savage 25 and RTR: BB 5-11-4
HPI Savage SS: BB 5-11-4
HPI Savage XSS: BB 5-11-4
HPI Super Nitro RS4: BB 5-11-4
HPI Super Nitro RS4 Rally: BB 5-11-4
HPI Micro RS4: Bearing - Economy Bearing Shielded Option
HPI Micro RS4 Complete With Upgrade: Bearing - Economy Bearing Shielded Option
HPI Micro RS4 RTR 4WD: Bearing - Economy Bearing Shielded Option
HPI Micro RS4 RTR3: Bearing - Economy Bearing Shielded Option
HPI MT2 18SS Nitro: Bearing - Economy Bearing Shielded Option
HPI MT2 Nitro: Bearing - Economy Bearing Shielded Option
HPI Nitro Mini RS4: Bearing - Economy Bearing Shielded Option
HPI Nitro Race RS4 MT: Bearing - Economy Bearing Shielded Option
HPI Nitro RS4: Bearing - Economy Bearing Shielded Option
HPI Nitro RS4 2: Bearing - Economy Bearing Shielded Option
HPI Nitro RS4 3 Evo RTR: Bearing - Economy Bearing Shielded Option
HPI Nitro RS4 3 RTR: Bearing - Economy Bearing Shielded Option
HPI Nitro RS4 MT: Bearing - Economy Bearing Shielded Option
HPI Nitro RS4 Sport: Bearing - Economy Bearing Shielded Option
HPI RS4: Bearing - Economy Bearing Shielded Option
HPI RS4 Mini: Bearing - Economy Bearing Shielded Option
HPI RS4 Mini Pro: Bearing - Economy Bearing Shielded Option
HPI RS4 MT: Bearing - Economy Bearing Shielded Option
HPI RS4 Nitro RaceR 2 Car: Bearing - Economy Bearing Shielded Option
HPI RS4 Nitro RTRSuper Nitro RAll: Bearing - Economy Bearing Shielded Option
HPI RS4 Nitro Rush: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro 2 With Steering: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro 3: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro Sport: Bearing - Economy Bearing Shielded Option
HPI RS4 Pro3 Spec: Bearing - Economy Bearing Shielded Option
HPI RS4 RaceR 2: Bearing - Economy Bearing Shielded Option
HPI RS4 Rally: Bearing - Economy Bearing Shielded Option
HPI RS4 RTR 3 Type SS: Bearing - Economy Bearing Shielded Option
HPI RS4 Sport 2 Complete Kit: Bearing - Economy Bearing Shielded Option
HPI Rush Evo: Bearing - Economy Bearing Shielded Option
HPI Savage 25 and RTR: Bearing - Economy Bearing Shielded Option
HPI Savage SS: Bearing - Economy Bearing Shielded Option
HPI Savage XSS: Bearing - Economy Bearing Shielded Option
HPI Super Nitro RS4: Bearing - Economy Bearing Shielded Option
HPI Super Nitro RS4 Rally: Bearing - Economy Bearing Shielded Option

Replacement Part: MR115-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 5x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.32
9 (45 pcs) Available Now -> Orders for more than 9 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 5x11x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI Micro RS4: BB 5-11-4
HPI Micro RS4 Complete With Upgrade: BB 5-11-4
HPI Micro RS4 RTR 4WD: BB 5-11-4
HPI Micro RS4 RTR3: BB 5-11-4
HPI MT2 18SS Nitro: BB 5-11-4
HPI MT2 Nitro: BB 5-11-4
HPI Nitro Mini RS4: BB 5-11-4
HPI Nitro Race RS4 MT: BB 5-11-4
HPI Nitro RS4: BB 5-11-4
HPI Nitro RS4 2: BB 5-11-4
HPI Nitro RS4 3 Evo RTR: BB 5-11-4
HPI Nitro RS4 3 RTR: BB 5-11-4
HPI Nitro RS4 MT: BB 5-11-4
HPI Nitro RS4 Sport: BB 5-11-4
HPI RS4 Mini: BB 5-11-4
HPI RS4 Mini Pro: BB 5-11-4
HPI RS4 Nitro RaceR 2 Car: BB 5-11-4
HPI RS4 Nitro RTRSuper Nitro RAll: BB 5-11-4
HPI RS4 Nitro Rush: BB 5-11-4
HPI RS4 Pro: BB 5-11-4
HPI RS4 Pro 2 With Steering: BB 5-11-4
HPI RS4 Pro 3: BB 5-11-4
HPI RS4 Pro Sport: BB 5-11-4
HPI RS4 Pro3 Spec: BB 5-11-4
HPI RS4 RaceR 2: BB 5-11-4
HPI RS4 Rally: BB 5-11-4
HPI RS4 RTR 3 Type SS: BB 5-11-4
HPI RS4 Sport 2 Complete Kit: BB 5-11-4
HPI Rush Evo: BB 5-11-4
HPI Savage 25 and RTR: BB 5-11-4
HPI Savage SS: BB 5-11-4
HPI Savage XSS: BB 5-11-4
HPI Super Nitro RS4: BB 5-11-4
HPI Super Nitro RS4 Rally: BB 5-11-4
HPI Micro RS4: Bearing - Economy Bearing Sealed Option
HPI Micro RS4 Complete With Upgrade: Bearing - Economy Bearing Sealed Option
HPI Micro RS4 RTR 4WD: Bearing - Economy Bearing Sealed Option
HPI Micro RS4 RTR3: Bearing - Economy Bearing Sealed Option
HPI MT2 18SS Nitro: Bearing - Economy Bearing Sealed Option
HPI MT2 Nitro: Bearing - Economy Bearing Sealed Option
HPI Nitro Mini RS4: Bearing - Economy Bearing Sealed Option
HPI Nitro Race RS4 MT: Bearing - Economy Bearing Sealed Option
HPI Nitro RS4: Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 2: Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 3 Evo RTR: Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 3 RTR: Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 MT: Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 Sport: Bearing - Economy Bearing Sealed Option
HPI RS4: Bearing - Economy Bearing Sealed Option
HPI RS4 Mini: Bearing - Economy Bearing Sealed Option
HPI RS4 Mini Pro: Bearing - Economy Bearing Sealed Option
HPI RS4 MT: Bearing - Economy Bearing Sealed Option
HPI RS4 Nitro RaceR 2 Car: Bearing - Economy Bearing Sealed Option
HPI RS4 Nitro RTRSuper Nitro RAll: Bearing - Economy Bearing Sealed Option
HPI RS4 Nitro Rush: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 2 With Steering: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 3: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro Sport: Bearing - Economy Bearing Sealed Option
HPI RS4 Pro3 Spec: Bearing - Economy Bearing Sealed Option
HPI RS4 RaceR 2: Bearing - Economy Bearing Sealed Option
HPI RS4 Rally: Bearing - Economy Bearing Sealed Option
HPI RS4 RTR 3 Type SS: Bearing - Economy Bearing Sealed Option
HPI RS4 Sport 2 Complete Kit: Bearing - Economy Bearing Sealed Option
HPI Rush Evo: Bearing - Economy Bearing Sealed Option
HPI Savage 25 and RTR: Bearing - Economy Bearing Sealed Option
HPI Savage SS: Bearing - Economy Bearing Sealed Option
HPI Savage XSS: Bearing - Economy Bearing Sealed Option
HPI Super Nitro RS4: Bearing - Economy Bearing Sealed Option
HPI Super Nitro RS4 Rally: Bearing - Economy Bearing Sealed Option

Replacement Part: MR115-2RB-ECO (PK-5)
Double blue rubber sealed economy flanged bearing

Single Row Ball Bearings - 5x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$7.77
80 (400 pcs) Available Now -> Orders for more than 80 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 5x11x4 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
HPI Micro RS4: BB 5-11-4
HPI Micro RS4 Complete With Upgrade: BB 5-11-4
HPI Micro RS4 RTR 4WD: BB 5-11-4
HPI Micro RS4 RTR3: BB 5-11-4
HPI MT2 18SS Nitro: BB 5-11-4
HPI MT2 Nitro: BB 5-11-4
HPI Nitro Mini RS4: BB 5-11-4
HPI Nitro Race RS4 MT: BB 5-11-4
HPI Nitro RS4: BB 5-11-4
HPI Nitro RS4 2: BB 5-11-4
HPI Nitro RS4 3 Evo RTR: BB 5-11-4
HPI Nitro RS4 3 RTR: BB 5-11-4
HPI Nitro RS4 MT: BB 5-11-4
HPI Nitro RS4 Sport: BB 5-11-4
HPI RS4 Mini: BB 5-11-4
HPI RS4 Mini Pro: BB 5-11-4
HPI RS4 Nitro RaceR 2 Car: BB 5-11-4
HPI RS4 Nitro RTRSuper Nitro RAll: BB 5-11-4
HPI RS4 Nitro Rush: BB 5-11-4
HPI RS4 Pro: BB 5-11-4
HPI RS4 Pro 2 With Steering: BB 5-11-4
HPI RS4 Pro 3: BB 5-11-4
HPI RS4 Pro Sport: BB 5-11-4
HPI RS4 Pro3 Spec: BB 5-11-4
HPI RS4 RaceR 2: BB 5-11-4
HPI RS4 Rally: BB 5-11-4
HPI RS4 RTR 3 Type SS: BB 5-11-4
HPI RS4 Sport 2 Complete Kit: BB 5-11-4
HPI Rush Evo: BB 5-11-4
HPI Savage 25 and RTR: BB 5-11-4
HPI Savage SS: BB 5-11-4
HPI Savage XSS: BB 5-11-4
HPI Super Nitro RS4: BB 5-11-4
HPI Super Nitro RS4 Rally: BB 5-11-4
HPI Micro RS4: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Micro RS4 Complete With Upgrade: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Micro RS4 RTR 4WD: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Micro RS4 RTR3: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI MT2 18SS Nitro: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI MT2 Nitro: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Nitro Mini RS4: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Nitro Race RS4 MT: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Nitro RS4: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Nitro RS4 2: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Nitro RS4 3 Evo RTR: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Nitro RS4 3 RTR: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Nitro RS4 MT: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Nitro RS4 Sport: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Mini: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Mini Pro: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 MT: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Nitro RaceR 2 Car: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Nitro RTRSuper Nitro RAll: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Nitro Rush: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro 2 With Steering: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro 3: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro Sport: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Pro3 Spec: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 RaceR 2: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Rally: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 RTR 3 Type SS: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI RS4 Sport 2 Complete Kit: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Rush Evo: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Savage 25 and RTR: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Savage SS: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Savage XSS: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Super Nitro RS4: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Super Nitro RS4 Rally: Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: MR115-CSN-ZZS-ACO-ECO (PK-2)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 5x11x4 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing

$4.99 $12.34
8 (16 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 5x13x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI R40 With Clutch Bell And Steering: BB 5-13-4
HPI R40 With Clutch Bell And Steering: Bearing - Economy Bearing Sealed Option

Replacement Part: 695-2RS-ECO (PK-5)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 5x13x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.41 $8.29
69 (345 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 5x13x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI R40 With Clutch Bell And Steering: BB 5-13-4
HPI R40 With Clutch Bell And Steering: Bearing - Economy Bearing Shielded Option

Replacement Part: 695-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 5x13x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.23
436 (2180 pcs) Available Now -> Orders for more than 436 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 6x13x5 mm - Chrome Steel SAE 52100 - Replaces -
HPI E Savage: BB 6-13-5
HPI Proceed: BB 6-13-5
HPI Proceed Update: BB 6-13-5
HPI R40: BB 6-13-5
HPI R40 With Clutch Bell And Steering: BB 6-13-5
HPI Savage 25 and RTR: BB 6-13-5
HPI Savage and SavageX: BB 6-13-5
HPI Savage SS: BB 6-13-5
HPI Savage XSS: BB 6-13-5
HPI E Savage: Bearing - Economy Bearing
HPI Proceed: Bearing - Economy Bearing Sealed Option
HPI Proceed Update: Bearing - Economy Bearing Sealed Option
HPI R40: Bearing - Economy Bearing Sealed Option
HPI R40 With Clutch Bell And Steering: Bearing - Economy Bearing Sealed Option
HPI Savage 25 and RTR: Bearing - Economy Bearing Sealed Option
HPI Savage and SavageX: Bearing - Economy Bearing
HPI Savage SS: Bearing - Economy Bearing Sealed Option
HPI Savage XSS: Bearing - Economy Bearing Sealed Option

Replacement Part: 686B-2RS-ECO (PK-5)
Double black rubber sealed economy bearing

Single Row Ball Bearings - 6x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$10.95
Temporarily Out Of Stock -> Backorder now for delivery around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
HPI Hellfire: BB 6-10-3
HPI Micro RS4: BB 6-10-3
HPI Micro RS4 Complete With Upgrade: BB 6-10-3
HPI Micro RS4 RTR 4WD: BB 6-10-3
HPI R40: BB 6-10-3
HPI R40 With Clutch Bell And Steering: BB 6-10-3
HPI Hellfire: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Micro RS4: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Micro RS4 Complete With Upgrade: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Micro RS4 RTR 4WD: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI R40: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: MR106A-CSN-ZZS-ACO-ECO (Each)
Double shielded ceramic-hybrid bearing with light anti-rust lubricant

Single Row Ball Bearings - 6x10x3 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing

$4.14 $4.96
80 Available Now -> Orders for more than 80 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
HPI Hellfire: BB 6-10-3
HPI Micro RS4: BB 6-10-3
HPI Micro RS4 Complete With Upgrade: BB 6-10-3
HPI Micro RS4 RTR 4WD: BB 6-10-3
HPI R40: BB 6-10-3
HPI R40 With Clutch Bell And Steering: BB 6-10-3
HPI Hellfire: Bearing - Economy Bearing Shielded Option
HPI Micro RS4: Bearing - Economy Bearing Shielded Option
HPI Micro RS4 Complete With Upgrade: Bearing - Economy Bearing Shielded Option
HPI Micro RS4 RTR 4WD: Bearing - Economy Bearing Shielded Option
HPI R40: Bearing - Economy Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Bearing - Economy Bearing Shielded Option

Replacement Part: MR106A-ZZS-ECO (PK-10)
Double shielded economy bearing

Single Row Ball Bearings - 6x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$10.77
22 (220 pcs) Available Now -> Orders for more than 22 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
HPI Hellfire: BB 6-10-3
HPI Micro RS4: BB 6-10-3
HPI Micro RS4 Complete With Upgrade: BB 6-10-3
HPI Micro RS4 RTR 4WD: BB 6-10-3
HPI R40: BB 6-10-3
HPI R40 With Clutch Bell And Steering: BB 6-10-3
HPI Hellfire: Bearing - Economy Bearing Sealed Option
HPI Micro RS4: Bearing - Economy Bearing Sealed Option
HPI Micro RS4 Complete With Upgrade: Bearing - Economy Bearing Sealed Option
HPI Micro RS4 RTR 4WD: Bearing - Economy Bearing Sealed Option
HPI R40: Bearing - Economy Bearing Sealed Option
HPI R40 With Clutch Bell And Steering: Bearing - Economy Bearing Sealed Option

Replacement Part: MR106A-2RB-ECO (PK-2)
Double blue rubber sealed economy flanged bearing

Single Row Ball Bearings - 6x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.14
322 (644 pcs) Available Now -> Orders for more than 322 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
HPI Proceed: BB 6-10-3
HPI Proceed Update: BB 6-10-3
HPI Proceed: Replacement Bearing - Standard Flanged Bearing Shielded Option
HPI Proceed Update: Replacement Bearing - Standard Flanged Bearing Shielded Option

Replacement Part: FMR106A-ZZS-MC3 (Each)
Double shielded flanged bearing

Single Row Ball Bearings - 6x10x3 mm Flanged - Chrome Steel SAE 52100 Bearing

$3.77
299 Available Now -> Orders for more than 299 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
HPI Proceed: BB 6-10-3
HPI Proceed Update: BB 6-10-3
HPI Proceed: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Proceed Update: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: FMR106A-CSN-ZZS-ACO-ECO (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 6x10x3 mm Flanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing

$4.01 $9.44
205 Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 6x13x5 mm - Chrome Steel SAE 52100 HPI E Savage: Replacement Bearing - Standard Bearing Shielded Option
HPI Proceed: Replacement Bearing - Standard Bearing Shielded Option
HPI Proceed Update: Replacement Bearing - Standard Bearing Shielded Option
HPI R40: Replacement Bearing - Standard Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Replacement Bearing - Standard Bearing Shielded Option
HPI Savage 25 and RTR: Replacement Bearing - Standard Bearing Shielded Option
HPI Savage and SavageX: Replacement Bearing - Standard Bearing Shielded Option
HPI Savage SS: Replacement Bearing - Standard Bearing Shielded Option
HPI Savage XSS: Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 686B-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 6x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.32
123 Available Now -> Orders for more than 123 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 6x13x5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Proceed: BB 6-13-5
HPI Proceed Update: BB 6-13-5
HPI R40: BB 6-13-5
HPI R40 With Clutch Bell And Steering: BB 6-13-5
HPI Savage 25 and RTR: BB 6-13-5
HPI Savage SS: BB 6-13-5
HPI Savage XSS: BB 6-13-5
HPI Proceed: Bearing - Economy Bearing Shielded Option
HPI Proceed Update: Bearing - Economy Bearing Shielded Option
HPI R40: Bearing - Economy Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Bearing - Economy Bearing Shielded Option
HPI Savage 25 and RTR: Bearing - Economy Bearing Shielded Option
HPI Savage SS: Bearing - Economy Bearing Shielded Option
HPI Savage XSS: Bearing - Economy Bearing Shielded Option

Replacement Part: 686B-ZZ-ECO (Each)
Double shielded economy bearing

Single Row Ball Bearings - 6x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$0.86
Temporarily Out Of Stock -> Backorder now for delivery around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 8x16x5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Hellfire: BB 8-16-5
HPI Savage 25 and RTR: BB 8-16-5
HPI Savage SS: BB 8-16-5
HPI Savage XSS: BB 8-16-5
HPI Hellfire: Bearing - Economy Bearing Shielded Option
HPI Savage 25 and RTR: Bearing - Economy Bearing Shielded Option
HPI Savage SS: Bearing - Economy Bearing Shielded Option
HPI Savage XSS: Bearing - Economy Bearing Shielded Option

Replacement Part: 688A-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 8x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.05
56 (280 pcs) Available Now -> Orders for more than 56 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 8x16x5 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
HPI E Savage: BB 8-16-5
HPI Hellfire: BB 8-16-5
HPI Savage 25 and RTR: BB 8-16-5
HPI Savage and SavageX: BB 8-16-5
HPI Savage SS: BB 8-16-5
HPI Savage XSS: BB 8-16-5
HPI E Savage: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Hellfire: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Savage 25 and RTR: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Savage and SavageX: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Savage SS: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
HPI Savage XSS: Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: 688A-CSN-ZZS-ACO-ECO (Each)
Deleted Item. Available while stocks last. Double shielded ceramic-hybrid bearing with light anti-rust lubricant

Single Row Ball Bearings - 8x16x5 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing

$6.00 $11.40
21 Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 8x16x5 mm - Chrome Steel SAE 52100 - Replaces -
HPI E Savage: BB 8-16-5
HPI Hellfire: BB 8-16-5
HPI Savage 25 and RTR: BB 8-16-5
HPI Savage and SavageX: BB 8-16-5
HPI Savage SS: BB 8-16-5
HPI Savage XSS: BB 8-16-5
HPI E Savage: Bearing - Economy Bearing Sealed Option
HPI Hellfire: Bearing - Economy Bearing Sealed Option
HPI Savage 25 and RTR: Bearing - Economy Bearing Sealed Option
HPI Savage and SavageX: Bearing - Economy Bearing Sealed Option
HPI Savage SS: Bearing - Economy Bearing Sealed Option
HPI Savage XSS: Bearing - Economy Bearing Sealed Option

Replacement Part: 688A-2RB-ECO (PK-2)
Double blue rubber sealed economy bearing

Single Row Ball Bearings - 8x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.50
31 (62 pcs) Available Now -> Orders for more than 31 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 10x15x4 mm - Chrome Steel SAE 52100 HPI Micro RS4 RTR3: Replacement Bearing - Standard Bearing Shielded Option
HPI MT2 18SS Nitro: Replacement Bearing - Standard Bearing Shielded Option
HPI MT2 Nitro: Replacement Bearing - Standard Bearing Shielded Option
HPI Nitro Mini RS4: Replacement Bearing - Standard Bearing Shielded Option
HPI Nitro Race RS4 MT: Replacement Bearing - Standard Bearing Shielded Option
HPI Nitro RS4: Replacement Bearing - Standard Bearing Shielded Option
HPI Nitro RS4 2: Replacement Bearing - Standard Bearing Shielded Option
HPI Nitro RS4 3 Evo RTR: Replacement Bearing - Standard Bearing Shielded Option
HPI Nitro RS4 3 RTR: Replacement Bearing - Standard Bearing Shielded Option
HPI Nitro RS4 MT: Replacement Bearing - Standard Bearing Shielded Option
HPI Nitro RS4 Sport: Replacement Bearing - Standard Bearing Shielded Option
HPI Pro 4: Replacement Bearing - Standard Bearing Shielded Option
HPI R40: Replacement Bearing - Standard Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Mini: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Mini Pro: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 MT: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Nitro RaceR 2 Car: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Nitro RTRSuper Nitro RAll: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Nitro Rush: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Pro: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Pro 2 With Steering: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Pro 3: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Pro 4: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Pro Sport: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Pro3 Spec: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 RaceR 2: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Rally: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 RTR 3 Type SS: Replacement Bearing - Standard Bearing Shielded Option
HPI RS4 Sport 2 Complete Kit: Replacement Bearing - Standard Bearing Shielded Option
HPI RTR Sprint: Replacement Bearing - Standard Bearing Shielded Option
HPI Rush Evo: Replacement Bearing - Standard Bearing Shielded Option
HPI Super Nitro RS4: Replacement Bearing - Standard Bearing Shielded Option
HPI Super Nitro RS4 Rally: Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 6700A-ZZS (Each)
Double shielded standard bearing

Single Row Ball Bearings - 10x15x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.23
14 Available Now -> More due: Jun 21, 2026 -> Orders for more than 14 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 10x15x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 10-15-4
HPI Micro RS4 RTR3: BB 10-15-4
HPI MT2 18SS Nitro: BB 10-15-4
HPI MT2 Nitro: BB 10-15-4
HPI Nitro Mini RS4: BB 10-15-4
HPI Nitro Race RS4 MT: BB 10-15-4
HPI Nitro RS4: BB 10-15-4
HPI Nitro RS4 2: BB 10-15-4
HPI Nitro RS4 3 Evo RTR: BB 10-15-4
HPI Nitro RS4 3 RTR: BB 10-15-4
HPI Nitro RS4 MT: BB 10-15-4
HPI Nitro RS4 Sport: BB 10-15-4
HPI R40: BB 10-15-4
HPI R40 With Clutch Bell And Steering: BB 10-15-4
HPI RS4 Mini: BB 10-15-4
HPI RS4 Mini Pro: BB 10-15-4
HPI RS4 Nitro RaceR 2 Car: BB 10-15-4
HPI RS4 Nitro RTRSuper Nitro RAll: BB 10-15-4
HPI RS4 Nitro Rush: BB 10-15-4
HPI RS4 Pro: BB 10-15-4
HPI RS4 Pro 2 With Steering: BB 10-15-4
HPI RS4 Pro 3: BB 10-15-4
HPI RS4 Pro 4: BB 10-15-4
HPI RS4 Pro Sport: BB 10-15-4
HPI RS4 Pro3 Spec: BB 10-15-4
HPI RS4 RaceR 2: BB 10-15-4
HPI RS4 Rally: BB 10-15-4
HPI RS4 RTR 3 Type SS: BB 10-15-4
HPI RS4 Sport 2 Complete Kit: BB 10-15-4
HPI RTR Sprint: BB 10-15-4
HPI Rush Evo: BB 10-15-4
HPI Super Nitro RS4: BB 10-15-4
HPI Super Nitro RS4 Rally: BB 10-15-4
HPI Baja 5B: Replacement Bearing - Economy Bearing Sealed Option
HPI Micro RS4 RTR3: Replacement Bearing - Economy Bearing Sealed Option
HPI MT2 18SS Nitro: Replacement Bearing - Economy Bearing Sealed Option
HPI MT2 Nitro: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro Mini RS4: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro Race RS4 MT: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 2: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 3 Evo RTR: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 3 RTR: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 MT: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 Sport: Replacement Bearing - Economy Bearing Sealed Option
HPI R40: Replacement Bearing - Economy Bearing Sealed Option
HPI R40 With Clutch Bell And Steering: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Mini: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Mini Pro: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 MT: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Nitro RaceR 2 Car: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Nitro RTRSuper Nitro RAll: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Nitro Rush: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 2 With Steering: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 3: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 4: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro Sport: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro3 Spec: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 RaceR 2: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Rally: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 RTR 3 Type SS: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Sport 2 Complete Kit: Replacement Bearing - Economy Bearing Sealed Option
HPI RTR Sprint: Replacement Bearing - Economy Bearing Sealed Option
HPI Rush Evo: Replacement Bearing - Economy Bearing Sealed Option
HPI Super Nitro RS4: Replacement Bearing - Economy Bearing Sealed Option
HPI Super Nitro RS4 Rally: Replacement Bearing - Economy Bearing Sealed Option

Replacement Part: 6700A-2RS-ECO (PK-2)
Double black rubber sealed economy bearing

Single Row Ball Bearings - 10x15x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
132 (264 pcs) Available Now -> Orders for more than 132 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 10x15x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 10-15-4
HPI Micro RS4 RTR3: BB 10-15-4
HPI MT2 18SS Nitro: BB 10-15-4
HPI MT2 Nitro: BB 10-15-4
HPI Nitro Mini RS4: BB 10-15-4
HPI Nitro Race RS4 MT: BB 10-15-4
HPI Nitro RS4: BB 10-15-4
HPI Nitro RS4 2: BB 10-15-4
HPI Nitro RS4 3 Evo RTR: BB 10-15-4
HPI Nitro RS4 3 RTR: BB 10-15-4
HPI Nitro RS4 MT: BB 10-15-4
HPI Nitro RS4 Sport: BB 10-15-4
HPI R40: BB 10-15-4
HPI R40 With Clutch Bell And Steering: BB 10-15-4
HPI RS4 Mini: BB 10-15-4
HPI RS4 Mini Pro: BB 10-15-4
HPI RS4 Nitro RaceR 2 Car: BB 10-15-4
HPI RS4 Nitro RTRSuper Nitro RAll: BB 10-15-4
HPI RS4 Nitro Rush: BB 10-15-4
HPI RS4 Pro: BB 10-15-4
HPI RS4 Pro 2 With Steering: BB 10-15-4
HPI RS4 Pro 3: BB 10-15-4
HPI RS4 Pro 4: BB 10-15-4
HPI RS4 Pro Sport: BB 10-15-4
HPI RS4 Pro3 Spec: BB 10-15-4
HPI RS4 RaceR 2: BB 10-15-4
HPI RS4 Rally: BB 10-15-4
HPI RS4 RTR 3 Type SS: BB 10-15-4
HPI RS4 Sport 2 Complete Kit: BB 10-15-4
HPI RTR Sprint: BB 10-15-4
HPI Rush Evo: BB 10-15-4
HPI Super Nitro RS4: BB 10-15-4
HPI Super Nitro RS4 Rally: BB 10-15-4
HPI Baja 5B: Replacement Bearing - Economy Bearing Sealed Option
HPI Micro RS4 RTR3: Replacement Bearing - Economy Bearing Sealed Option
HPI MT2 18SS Nitro: Replacement Bearing - Economy Bearing Sealed Option
HPI MT2 Nitro: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro Mini RS4: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro Race RS4 MT: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 2: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 3 Evo RTR: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 3 RTR: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 MT: Replacement Bearing - Economy Bearing Sealed Option
HPI Nitro RS4 Sport: Replacement Bearing - Economy Bearing Sealed Option
HPI R40: Replacement Bearing - Economy Bearing Sealed Option
HPI R40 With Clutch Bell And Steering: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Mini: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Mini Pro: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 MT: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Nitro RaceR 2 Car: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Nitro RTRSuper Nitro RAll: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Nitro Rush: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 2 With Steering: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 3: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro 4: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro Sport: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Pro3 Spec: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 RaceR 2: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Rally: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 RTR 3 Type SS: Replacement Bearing - Economy Bearing Sealed Option
HPI RS4 Sport 2 Complete Kit: Replacement Bearing - Economy Bearing Sealed Option
HPI RTR Sprint: Replacement Bearing - Economy Bearing Sealed Option
HPI Rush Evo: Replacement Bearing - Economy Bearing Sealed Option
HPI Super Nitro RS4: Replacement Bearing - Economy Bearing Sealed Option
HPI Super Nitro RS4 Rally: Replacement Bearing - Economy Bearing Sealed Option

Replacement Part: 6700A-2RB-ECO (Each)
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing

Single Row Ball Bearings - 10x15x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$2.00 $3.80
227 Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 10x16x5 mm - Chrome Steel SAE 52100 - Replaces -
HPI E Savage: B032
HPI Savage 25 and RTR: BB 10-16-5
HPI Savage and SavageX: BB 10-16-5
HPI Savage SS: BB 10-16-5
HPI Savage XSS: BB 10-16-5
HPI E Savage: Replacement Bearing - Economy Bearing Sealed Option
HPI Savage 25 and RTR: Replacement Bearing - Economy Bearing Sealed Option
HPI Savage and SavageX: Replacement Bearing - Economy Bearing Sealed Option
HPI Savage SS: Replacement Bearing - Economy Bearing Sealed Option
HPI Savage XSS: Replacement Bearing - Economy Bearing Sealed Option

Replacement Part: MR1610A-2RB-ECO (Each)
Double blue rubber sealed economy bearing

Single Row Ball Bearings - 10x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$2.59
336 Available Now -> Orders for more than 336 can be expected around Sep 10, 2026
View Entire Category:
Single Row Ball Bearings - 10x16x5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Savage 25 and RTR: BB 10-16-5
HPI Savage SS: BB 10-16-5
HPI Savage XSS: BB 10-16-5
HPI Savage 25 and RTR: Replacement Bearing - Economy Bearing Shielded Option
HPI Savage SS: Replacement Bearing - Economy Bearing Shielded Option
HPI Savage XSS: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: MR1610A-ZZS-ECO (PK-2)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 10x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.79 $4.55
44 (88 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 12x18x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI R40: BB 12-18-4
HPI R40 With Clutch Bell And Steering: BB 12-18-4
HPI R40: Replacement Bearing - Economy Bearing Sealed Option
HPI R40 With Clutch Bell And Steering: Replacement Bearing - Economy Bearing Sealed Option

Replacement Part: 6701-2RB-ECO (Each)
Double blue rubber sealed economy bearing

Single Row Ball Bearings - 12x18x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$2.05
323 Available Now -> Orders for more than 323 can be expected around Jun 12, 2026
View Entire Category:
Single Row Ball Bearings - 12x18x4 mm - Chrome Steel SAE 52100 - Replaces -
HPI R40: BB 12-18-4
HPI R40 With Clutch Bell And Steering: BB 12-18-4
HPI R40: Replacement Bearing - Standard Bearing Shielded Option
HPI R40 With Clutch Bell And Steering: Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 6701-ZZS (Each)
Double shielded standard bearing

Single Row Ball Bearings - 12x18x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$6.86
66 Available Now -> Orders for more than 66 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 12x21x5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Proceed: BB 12-21-5
HPI Proceed: Replacement Bearing - Standard Bearing Sealed Option

Replacement Part: 6801-2RS (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 12x21x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.05
46 Available Now -> Orders for more than 46 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 12x21x5 mm - Chrome Steel SAE 52100 - Replaces -
HPI Proceed: BB 12-21-5
HPI Proceed: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: 6801-ZZ-ECO (Each)
Double shielded economy bearing

Single Row Ball Bearings - 12x21x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
16 Available Now -> Orders for more than 16 can be expected around Jun 21, 2026
View Entire Category:
Single Row Ball Bearings - 12x24x6 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 12-24-6
HPI Baja 5B: Replacement Bearing - Standard Bearing Sealed Option

Replacement Part: 6901-2RS (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 12x24x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.95
72 Available Now -> Orders for more than 72 can be expected around Jun 18, 2026
View Entire Category:
Single Row Ball Bearings - 12x24x6 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 12-24-6
HPI Baja 5B: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: 6901-ZZ-ECO (Each)
Double shielded economy bearing

Single Row Ball Bearings - 12x24x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.86
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
View Entire Category:
Single Row Ball Bearings - 17x30x7 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 17-30-7
HPI Baja 5B: Bearing - Standard Bearing Shielded Option

Replacement Part: 6903-ZZ (Each)
Double shielded standard bearing

Single Row Ball Bearings - 17x30x7 mm Unflanged - Chrome Steel SAE 52100 Bearing

$14.50 $17.40
Temporarily Out Of Stock -> Backorder now for delivery around May 26, 2026
View Entire Category:
Single Row Ball Bearings - 17x30x7 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 17-30-7
HPI Baja 5B: Bearing - Standard Bearing Sealed Option

Replacement Part: 6903-2RS (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 17x30x7 mm Unflanged - Chrome Steel SAE 52100 Bearing

$22.23
Temporarily Out Of Stock -> Backorder now for delivery around May 26, 2026
View Entire Category:
Single Row Ball Bearings - 20x32x7 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 20-32-7
HPI Baja 5B: Bearing - Economy Bearing Shielded Option

Replacement Part: 6804-ZZ-ECO (Each)
Double shielded economy bearing

Single Row Ball Bearings - 20x32x7 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.32
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
View Entire Category:
Single Row Ball Bearings - 20x32x7 mm - Chrome Steel SAE 52100 - Replaces -
HPI Baja 5B: BB 20-32-7
HPI Baja 5B: Bearing - Standard Bearing Sealed Option

Replacement Part: 6804-2RS (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 20x32x7 mm Unflanged - Chrome Steel SAE 52100 Bearing

$8.59
30 Available Now -> Orders for more than 30 can be expected around Jun 18, 2026
View Entire Category: