JR Replacement RC Helicopter Parts

A selection of replacement parts for JR. 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 - Stainless Steel AISI 440C - Ceramic Si3N4 Balls JR Ergo 30/46: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
JR Ergo 30/46 Complete Kit: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: SMR63A-CSN-ZZS-ACO-ECO (Each)
Double shielded ceramic-hybrid bearing with light anti-rust lubricant

Single Row Ball Bearings - 3x6x2.5 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing

$20.77 $24.93
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 3x6x2.5 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls - Replaces -
JR Ergo 30/46: BB 3-6-2.5
JR Ergo 30/46 Complete Kit: BB 3-6-2.5
JR Ergo 30/46: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
JR Ergo 30/46 Complete Kit: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: SFMR63A-CSN-ZZ-ECO (Each)
Double shielded flanged economy ceramic-hybrid stainless steel bearing

Single Row Ball Bearings - 3x6x2.5 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing

$21.77 $43.98
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 3x6x2.5 mm - Chrome Steel SAE 52100 - Replaces -
JR Ergo 30/46: BB 3-6-2.5
JR Ergo 30/46 Complete Kit: BB 3-6-2.5
JR Ergo 30/46: Bearing - Standard Bearing
JR Ergo 30/46 Complete Kit: 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 - Stainless Steel AISI 440C - Replaces -
JR Ergo 30/46: BB 3-6-2.5
JR Ergo 30/46 Complete Kit: BB 3-6-2.5
JR Ergo 30/46: Replacement Bearing - Stainless Flanged Bearing Shielded Option
JR Ergo 30/46 Complete Kit: Replacement Bearing - Stainless Flanged Bearing Shielded Option

Replacement Part: SFMR63A-ZZ-MC3 (Each)
Double shielded flanged stainless steel bearing

Single Row Ball Bearings - 3x6x2.5 mm Flanged - Stainless Steel AISI 440C Bearing

$2.95 $8.22
1 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 -
JR Ergo 30/46: BB 3-8-4
JR Ergo 30/46: 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 - 3x8x4 mm - Stainless Steel AISI 440C - Replaces -
JR Ergo 30/46: BB 3-8-4
JR Vigor CS: BB 3-8-4
JR Ergo 30/46: Replacement Bearing - Stainless Flanged Bearing Shielded Option
JR Vigor CS: Replacement Bearing - Stainless Flanged Bearing Shielded Option

Replacement Part: SF693A-ZZ-MC3 (Each)
Double shielded flanged stainless steel bearing

Single Row Ball Bearings - 3x8x4 mm Flanged - Stainless Steel AISI 440C Bearing

$6.95
73 Available Now -> Orders for more than 73 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100 - Replaces -
JR 30: 81003
JR Ergo 30/46 Complete Kit: BB 3-10-4
JR Ergo 30/46 Upgrade Kit: BB 3-10-4
JR 30: Replacement Bearing - Economy Bearing Shielded Option
JR Ergo 30/46 Complete Kit: Bearing - Economy Bearing
JR Ergo 30/46 Upgrade Kit: Bearing - Economy Bearing

Replacement Part: 623-ZZS-ECO (PK-2)
Double shielded economy bearing

Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.77
201 (402 pcs) Available Now -> Orders for more than 201 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
Team Losi® JRX-S 4 Wheel Sedan: BB 4-8-3
JR Venture 50 ARF: BB 4-8-3
Team Losi® JRX-S 4 Wheel Sedan: Bearing - Economy Bearing Shielded Option
JR Venture 50 ARF: Bearing - Economy Bearing

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 -
JR Ergo 60: BB 4-9-4
JR Vigor CS: BB 4-9-4
JR Ergo 60: Thrust Bearing - Stainless Steel
JR Vigor CS: 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 - 4x10x4 mm - Chrome Steel SAE 52100 - Replaces -
JR Ergo 60: BB 4-10-4
JR Ergo 60: Bearing - Economy Bearing

Replacement Part: MR104A-ZZ-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.59
27 (135 pcs) Available Now -> Orders for more than 27 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Replacement Part: MR104A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
77 Available Now -> Orders for more than 77 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Replacement Part: MR104A-2RB-ECO (PK-10)
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing

Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$20.00 $38.00
18 (180 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C JR Vigor CS: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: SMR104A-ZZ-MC3-AF12 (Each)
Double shielded low-torque stainless steel bearing with light oil lubricant

Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing

$5.59
65 Available Now -> Orders for more than 65 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 5x13x4 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls JR Ergo 30/46 Complete Kit: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
JR Ergo 30/46 Upgrade Kit: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
JR Vigor CS: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: S695-CSN-ZZS-ECO (Each)
Double shielded economy ceramic-hybrid stainless steel bearing

Single Row Ball Bearings - 5x13x4 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing

$21.14 $25.36
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 5x8x2.5 mm - Chrome Steel SAE 52100 - Replaces -
JR Ergo 30/46: BB 5-8-2.5
JR Ergo 30/46 Complete Kit: BB 5-8-2.5
JR Ergo 30/46: Replacement Bearing - Standard Flanged Bearing Shielded Option
JR Ergo 30/46 Complete Kit: 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
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Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
JR Ergo 30/46 Complete Kit: BB 5-10-4
JR Ergo 30/46 Upgrade Kit: BB 5-10-4
JR Ergo 30/46 Complete Kit: Bearing - Standard Bearing
JR Ergo 30/46 Upgrade Kit: Bearing - Standard Bearing

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
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Single Row Ball Bearings - 5x10x4 mm - Stainless Steel AISI 440C JR Ergo 30/46 Complete Kit: Replacement Bearing - Stainless Bearing Shielded Option
JR Ergo 30/46 Upgrade Kit: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: SMR105A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 5x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing

$6.23
47 Available Now -> Orders for more than 47 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 5x11x5 mm - Chrome Steel SAE 52100 - Replaces -
JR Ergo 60: BB 5-11-5
JR Ergo 60: Bearing - Economy Bearing

Replacement Part: 685A-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 5x11x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.68
1 (5 pcs) Available Now -> Orders for more than 1 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 5x13x4 mm - Chrome Steel SAE 52100 - Replaces -
JR 30: 81004
JR Ergo 30/46 Complete Kit: BB 5-13-4
JR Ergo 30/46 Upgrade Kit: BB 5-13-4
JR Ergo 60: BB 5-13-4
JR Vigor CS: BB 5-13-4
JR 30: 81004 Bearing - Economy Bearing
JR Ergo 30/46 Complete Kit: Bearing - Economy Bearing
JR Ergo 30/46 Upgrade Kit: Bearing - Economy Bearing
JR Ergo 60: Bearing - Economy Bearing
JR Vigor CS: Bearing - Economy Bearing

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
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Single Row Ball Bearings - 5x19x6 mm - Stainless Steel AISI 440C JR Ergo 30/46 Complete Kit: Replacement Bearing - Stainless Bearing Shielded Option
JR Ergo 30/46 Upgrade Kit: Replacement Bearing - Stainless Bearing Shielded Option
JR Vigor CS: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: S635-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 5x19x6 mm Unflanged - Stainless Steel AISI 440C Bearing

$6.32
34 Available Now -> Orders for more than 34 can be expected around Jun 18, 2026
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One Way Bearings - 6x10x12 mm - Chrome Steel - Replaces -
JR Ergo 30/46 Complete Kit: BB 6-10-12
JR Ergo 30/46 Upgrade Kit: BB 6-10-12
JR Ergo 30/46 Complete Kit: Roller Clutch Bearing - One Way Direction
JR Ergo 30/46 Upgrade Kit: Roller Clutch Bearing - One Way Direction

Replacement Part: OW-0060-0100-0120-R (Each)
One way direction

One Way Bearings - 6x10x12 mm Roller - Chrome Steel Bearing

$6.05
62 Available Now -> Orders for more than 62 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 6x15x5 mm - Chrome Steel SAE 52100 - Replaces -
JR Vibe 90 3D: BB 6-15-5
JR Vibe 90 3D: Bearing - Economy Bearing

Replacement Part: 696-ZZ-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 6x15x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.23
37 (185 pcs) Available Now -> Orders for more than 37 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 6x19x6 mm - Stainless Steel AISI 440C JR Ergo 30/46 Complete Kit: Replacement Bearing - Stainless Bearing Shielded Option
JR Ergo 30/46 Upgrade Kit: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: S626-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 6x19x6 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.05
78 Available Now -> Orders for more than 78 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 6x19x6 mm - Chrome Steel SAE 52100 - Replaces -
JR 30: 60018
JR Ergo 30/46 Complete Kit: BB 6-19-6
JR Ergo 30/46 Upgrade Kit: BB 6-19-6
JR Ergo 60: BB 6-19-6
JR 30: Replacement Bearing - Economy Bearing Shielded Option
JR Ergo 30/46 Complete Kit: Bearing - Economy Bearing
JR Ergo 30/46 Upgrade Kit: Bearing - Economy Bearing
JR Ergo 60: Bearing - Economy Bearing

Replacement Part: 626-ZZ-ECO (PK-10)
Double shielded economy bearing

Single Row Ball Bearings - 6x19x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$17.95
31 (310 pcs) Available Now -> Orders for more than 31 can be expected around Jun 12, 2026
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Thrust Ball Bearings - 8x16x5 mm / 8.2 mm Grooved - Chrome Steel - Replaces -
JR Ergo 60: BB 8-16-5
JR Vigor CS: BB 8-16-5
JR Ergo 60: Thrust Bearing - Brass Retainer
JR Vigor CS: Thrust Bearing - Brass Retainer

Replacement Part: T-0080-0160-G-BR (Each)
Thrust bearing with 2 Grooved Washers and retainerd Balls

Thrust Ball Bearings - 8x16x5 mm / 8.2 mm Grooved - Chrome Steel Bearing

$33.05 $39.65
Temporarily Out Of Stock -> Backorder now for delivery around Jun 23, 2026
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Single Row Ball Bearings - 8x16x5 mm - Stainless Steel AISI 440C JR Vigor CS: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: S688A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 8x16x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.14
270 Available Now -> Orders for more than 270 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 8x16x5 mm - Chrome Steel SAE 52100 - Replaces -
JR Vigor CS: BB 8-16-5
JR Vigor CS: Bearing - Economy Bearing

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
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Single Row Ball Bearings - 8x19x6 mm - Stainless Steel AISI 440C JR Ergo 30/46 Complete Kit: Replacement Bearing - Stainless Bearing Shielded Option
JR Ergo 30/46 Upgrade Kit: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: S698-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 8x19x6 mm Unflanged - Stainless Steel AISI 440C Bearing

$7.86
81 Available Now -> Orders for more than 81 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 8x19x6 mm - Chrome Steel SAE 52100 - Replaces -
JR Ergo 30/46 Complete Kit: BB 8-19-6
JR Ergo 30/46 Upgrade Kit: BB 8-19-6
JR Ergo 30/46 Complete Kit: Bearing - Economy Bearing
JR Ergo 30/46 Upgrade Kit: Bearing - Economy Bearing

Replacement Part: 698-ZZ-ECO (PK-2)
Double shielded economy bearing

Single Row Ball Bearings - 8x19x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.41
30 (60 pcs) Available Now -> Orders for more than 30 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 10x19x5 mm - Chrome Steel SAE 52100 - Replaces -
JR Ergo 60: BB 10-19-5
JR Ergo 60: Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 6800-ZZ (Each)
Double shielded standard bearing

Single Row Ball Bearings - 10x19x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
78 Available Now -> Orders for more than 78 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 10x19x7 mm - Stainless Steel AISI 440C JR Ergo 30/46 Complete Kit: Replacement Bearing - Stainless Bearing Shielded Option
JR Ergo 30/46 Upgrade Kit: Replacement Bearing - Stainless Bearing Shielded Option
JR Vigor CS: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: S6800B-ZZ (Each)
Double shielded standard stainless steel bearing with NON-ISO Width

Single Row Ball Bearings - 10x19x7 mm Unflanged - Stainless Steel AISI 440C Bearing

$10.41
12 Available Now -> Orders for more than 12 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 10x19x7 mm - Chrome Steel SAE 52100 - Replaces -
JR 30: 60016
JR Ergo 30/46 Complete Kit: BB 10-19-7
JR Ergo 30/46 Upgrade Kit: BB 10-19-7
JR Ergo 60: BB 10-19-7
JR Vibe 90 3D: BB 10-19-7
JR Vigor CS: BB 10-19-7
JR 30: Replacement Bearing - Standard Bearing Shielded Option
JR Ergo 30/46 Complete Kit: Replacement Bearing - Standard Bearing Shielded Option
JR Ergo 30/46 Upgrade Kit: Replacement Bearing - Standard Bearing Shielded Option
JR Ergo 60: Replacement Bearing - Standard Bearing Shielded Option
JR Vibe 90 3D: Replacement Bearing - Standard Bearing
JR Vigor CS: Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 6800B-ZZ (Each)
Double shielded standard bearing, non-ISO width

Single Row Ball Bearings - 10x19x7 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.95
24 Available Now -> Orders for more than 24 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 15x24x5 mm - Stainless Steel AISI 440C JR Vigor CS: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: S6802-ZZ-ECO (Each)
Double shielded economy stainless steel bearing

Single Row Ball Bearings - 15x24x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$28.41 $34.09
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 15x24x5 mm - Chrome Steel SAE 52100 - Replaces -
JR Vigor CS: BB 15-24-5
JR Vigor CS: Bearing - Standard Bearing

Replacement Part: 6802-ZZ (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 15x24x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.26 $7.45
234 Available Now -> Only the available quantity may be ordered online. No backorders.
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