Academy® & MRC® Replacement RC Car Parts

A selection of replacement parts for Academy® & MRC®. 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 -
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: BB 3-6-2.5
Academy® & MRC® SP-3 Matiz 1/12 Scale: BB 3-6-2.5
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: Replacement Bearing - Economy Bearing
Academy® & MRC® SP-3 Matiz 1/12 Scale: 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 - 3x6x2.5 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: BB 3-6-2.5
Academy® & MRC® SP-3 Matiz 1/12 Scale: BB 3-6-2.5
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® SP-3 Matiz 1/12 Scale: 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

$5.32 $9.07
Temporarily Out Of Stock -> Backorder now for delivery around Aug 22, 2026
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® STR-4 1/10 Scale: BB 4-8-3
Academy® & MRC® STR-4 1/10 Scale: Replacement 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
188 Available Now -> Orders for more than 188 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C - Replaces -
Academy® & MRC® STR-4 1/10 Scale: BB 4-8-3
Academy® & MRC® STR-4 1/10 Scale: Replacement Bearing - Stainless Flanged Bearing Shielded Option

Replacement Part: SFMR84A-ZZ-MC3 (Each)
Double shielded flanged stainless steel bearing

Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing

$6.68
100 Available Now -> Orders for more than 100 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® STR-4 1/10 Scale: BB 4-8-3
Academy® & MRC® STR-4 1/10 Scale: Replacement 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

$3.95
32 (160 pcs) Available Now -> Orders for more than 32 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® STR-4 1/10 Scale: BB 4-8-3
Academy® & MRC® STR-4 1/10 Scale: Replacement Bearing - Economy Bearing Sealed Option

Replacement Part: FMR84A-2RS-ECO (Each)
Double black rubber sealed economy flanged bearing

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

$2.77 $4.33
Temporarily Out Of Stock -> Backorder now for delivery around Aug 13, 2026
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Single Row Ball Bearings - 5x8x2.5 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Hammer Head: BB 5-8-2.5
Academy® & MRC® Ironman 1/10: BB 5-8-2.5
Academy® & MRC® MT-10M: BB 5-8-2.5
Academy® & MRC® MT10S: BB 5-8-2.5
Academy® & MRC® Q-Tee Coupe: BB 5-8-2.5
Academy® & MRC® RT-Sport RTR: BB 5-8-2.5
Academy® & MRC® STR-4 1/10 Scale: BB 5-8-2.5
Academy® & MRC® Vortex: BB 5-8-2.5
Academy® & MRC® Hammer Head: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Ironman 1/10: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT-10M: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT10S: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Q-Tee Coupe: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® RT-Sport RTR: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® STR-4 1/10 Scale: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Vortex: Replacement 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
53 (265 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 5x8x2.5 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Hammer Head: BB 5-8-2.5
Academy® & MRC® Ironman 1/10: BB 5-8-2.5
Academy® & MRC® MT-10M: BB 5-8-2.5
Academy® & MRC® MT-10M -T-10S 1/10: BB 5-8-2.5
Academy® & MRC® MT10S: BB 5-8-2.5
Academy® & MRC® Q-Tee Coupe: BB 5-8-2.5
Academy® & MRC® RT-Sport RTR: BB 5-8-2.5
Academy® & MRC® SBV2: BB 5-8-2.5
Academy® & MRC® STR-4 1/10 Scale: BB 5-8-2.5
Academy® & MRC® Vortex: BB 5-8-2.5
Academy® & MRC® Hammer Head: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Ironman 1/10: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M -T-10S 1/10: Replacement Bearing - Economy Bearing
Academy® & MRC® MT10S: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Q-Tee Coupe: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® RT-Sport RTR: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® SBV2: Replacement Bearing - Economy Bearing
Academy® & MRC® STR-4 1/10 Scale: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Vortex: Replacement 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

$4.68
47 (235 pcs) Available Now -> Orders for more than 47 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Q-Tee Coupe: BB 5-10-4
Academy® & MRC® STR-4 1/10 Scale: BB 5-10-4
Academy® & MRC® Q-Tee Coupe: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® STR-4 1/10 Scale: Replacement 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
77 (385 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 -
Academy® & MRC® Q-Tee Coupe: BB 5-10-4
Academy® & MRC® SBV2: BB 5-10-4
Academy® & MRC® STR-4 1/10 Scale: BB 5-10-4
Academy® & MRC® Q-Tee Coupe: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® SBV2: Replacement Bearing - Standard Bearing
Academy® & MRC® STR-4 1/10 Scale: Replacement 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
397 Available Now -> Orders for more than 397 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 5x11x4 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Baja King: BB 5-11-4
Academy® & MRC® Desert Thunder: BB 5-11-4
Academy® & MRC® Hammer Head: BB 5-11-4
Academy® & MRC® Ironman 1/10: BB 5-11-4
Academy® & MRC® MT-10M: BB 5-11-4
Academy® & MRC® MT10S: BB 5-11-4
Academy® & MRC® Nitro Thunder King: BB 5-11-4
Academy® & MRC® Thunder King Large Rear Wheels: BB 5-11-4
Academy® & MRC® Vortex: BB 5-11-4
Academy® & MRC® Baja King: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Desert Thunder: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Hammer Head: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Ironman 1/10: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT-10M: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT10S: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Nitro Thunder King: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Thunder King: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Thunder King Large Rear Wheels: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Vortex: Replacement 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

$7.41
80 (400 pcs) Available Now -> Orders for more than 80 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 5x11x4 mm - Stainless Steel AISI 440C - Replaces -
Academy® & MRC® Baja King: BB 5-11-4
Academy® & MRC® Baja King: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: SMR115-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 5x11x4 mm Unflanged - Stainless Steel AISI 440C Bearing

$5.86
50 Available Now -> Orders for more than 50 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: BB 6-10-3
Academy® & MRC® SP-3 Matiz 1/12 Scale: BB 6-10-3
Academy® & MRC® SP-3 X: BB 6-10-3
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® SP-3 Matiz 1/12 Scale: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® SP-3 X: Replacement 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

$3.95 $4.75
80 Available Now -> Orders for more than 80 can be expected around Aug 13, 2026
View Entire Category:
Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: BB 6-10-3
Academy® & MRC® SP-3 Matiz 1/12 Scale: BB 6-10-3
Academy® & MRC® SP-3 X: BB 6-10-3
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® SP-3 Matiz 1/12 Scale: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® SP-3 X: Replacement 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

$10.32
22 (220 pcs) Available Now -> Orders for more than 22 can be expected around Aug 13, 2026
View Entire Category:
Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: BB 6-10-3
Academy® & MRC® SP-3 Matiz 1/12 Scale: BB 6-10-3
Academy® & MRC® SP-3 X: BB 6-10-3
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® SP-3 Matiz 1/12 Scale: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® SP-3 X: Replacement 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

$2.95
322 (644 pcs) Available Now -> Orders for more than 322 can be expected around Aug 13, 2026
View Entire Category:
Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: BB 6-10-3
Academy® & MRC® SP-3 Matiz 1/12 Scale: BB 6-10-3
Academy® & MRC® SP-3 X: BB 6-10-3
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: Replacement Bearing - Standard Flanged Bearing Shielded Option
Academy® & MRC® SP-3 Matiz 1/12 Scale: Replacement Bearing - Standard Flanged Bearing Shielded Option
Academy® & MRC® SP-3 X: 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 Aug 19, 2026
View Entire Category:
Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: BB 6-10-3
Academy® & MRC® SP-3 Matiz 1/12 Scale: BB 6-10-3
Academy® & MRC® SP-3 X: BB 6-10-3
Academy® & MRC® SP-3 Extreme 1/2 Scale EP: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® SP-3 Matiz 1/12 Scale: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® SP-3 X: 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 $8.74
205 Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Desert Thunder: BB 6-12-4
Academy® & MRC® Nitro Thunder King: BB 6-12-4
Academy® & MRC® Thunder King Large Rear Wheels: BB 6-12-4
Academy® & MRC® Desert Thunder: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Nitro Thunder King: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Thunder King: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Thunder King Large Rear Wheels: Replacement Bearing - Economy Bearing Sealed Option

Replacement Part: MR126A-2RS-ECO (PK-5)
Double black rubber sealed economy bearing

Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.32
34 (170 pcs) Available Now -> Orders for more than 34 can be expected around Aug 13, 2026
View Entire Category:
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Desert Thunder: BB 6-12-4
Academy® & MRC® Nitro Thunder King: BB 6-12-4
Academy® & MRC® Thunder King Desert Thunder Baja King: BB 6-12-4
Academy® & MRC® Thunder King Large Rear Wheels: BB 6-12-4
Academy® & MRC® ThunderKing Larger Rear Wheel: BB 6-12-4
Academy® & MRC® Desert Thunder: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Nitro Thunder King: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Thunder King: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Thunder King Desert Thunder Baja King: Replacement Bearing - Economy Bearing
Academy® & MRC® Thunder King Large Rear Wheels: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® ThunderKing Larger Rear Wheel: Replacement Bearing - Economy Bearing

Replacement Part: MR126A-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.41
4 (20 pcs) Available Now -> Orders for more than 4 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 6x12x4 mm - Stainless Steel AISI 440C - Replaces -
Academy® & MRC® Baja King: BB 6-12-4
Academy® & MRC® Baja King: Replacement Bearing - Stainless Bearing

Replacement Part: SMR126A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 6x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.86
34 Available Now -> Orders for more than 34 can be expected around Aug 19, 2026
View Entire Category:
Single Row Ball Bearings - 5x8x2.5 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
Academy® & MRC® Hammer Head: BB 5-8-2.5
Academy® & MRC® Ironman 1/10: BB 5-8-2.5
Academy® & MRC® MT-10M: BB 5-8-2.5
Academy® & MRC® MT10S: BB 5-8-2.5
Academy® & MRC® Q-Tee Coupe: BB 5-8-2.5
Academy® & MRC® RT-Sport RTR: BB 5-8-2.5
Academy® & MRC® STR-4 1/10 Scale: BB 5-8-2.5
Academy® & MRC® Vortex: BB 5-8-2.5
Academy® & MRC® Hammer Head: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® Ironman 1/10: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® MT-10M: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® MT10S: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® Q-Tee Coupe: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® RT-Sport RTR: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® STR-4 1/10 Scale: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® Vortex: Replacement 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

$31.77
Temporarily Out Of Stock -> Backorder now for delivery around Aug 27, 2026
View Entire Category:
Single Row Ball Bearings - 5x11x4 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Desert Thunder: BB 5-11-4
Academy® & MRC® Hammer Head: BB 5-11-4
Academy® & MRC® Ironman 1/10: BB 5-11-4
Academy® & MRC® MT-10M: BB 5-11-4
Academy® & MRC® MT-10M -T-10S 1/10: BB 5-11-4
Academy® & MRC® MT10S: BB 5-11-4
Academy® & MRC® Nitro Thunder King: BB 5-11-4
Academy® & MRC® Thunder King Desert Thunder Baja King: BB 5-11-4
Academy® & MRC® Thunder King Large Rear Wheels: BB 5-11-4
Academy® & MRC® ThunderKing Larger Rear Wheel: BB 5-11-4
Academy® & MRC® Vortex: BB 5-11-4
Academy® & MRC® Desert Thunder: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Hammer Head: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Ironman 1/10: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M -T-10S 1/10: Replacement Bearing - Economy Bearing
Academy® & MRC® MT10S: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Nitro Thunder King: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Thunder King: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Thunder King Desert Thunder Baja King: Replacement Bearing - Economy Bearing
Academy® & MRC® Thunder King Large Rear Wheels: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® ThunderKing Larger Rear Wheel: Replacement Bearing - Economy Bearing
Academy® & MRC® Vortex: Replacement 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

$7.14
40 (200 pcs) Available Now -> Orders for more than 40 can be expected around Aug 13, 2026
View Entire Category:
Single Row Ball Bearings - 7x11x3 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Desert Thunder: BB 7-11-3
Academy® & MRC® Nitro Thunder King: BB 7-11-3
Academy® & MRC® Thunder King Desert Thunder Baja King: BB 7-11-3
Academy® & MRC® Thunder King Large Rear Wheels: BB 7-11-3
Academy® & MRC® ThunderKing Larger Rear Wheel: BB 7-11-3
Academy® & MRC® Desert Thunder: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® Nitro Thunder King: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® Thunder King: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® Thunder King Desert Thunder Baja King: Replacement Bearing - Standard Bearing
Academy® & MRC® Thunder King Large Rear Wheels: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® ThunderKing Larger Rear Wheel: Replacement Bearing - Standard Bearing

Replacement Part: MR117A-ZZS-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 7x11x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.32
175 Available Now -> Orders for more than 175 can be expected around Aug 19, 2026
View Entire Category:
Single Row Ball Bearings - 7x11x3 mm - Stainless Steel AISI 440C - Replaces -
Academy® & MRC® Baja King: BB 7-11-3
Academy® & MRC® Desert Thunder: BB 7-11-3
Academy® & MRC® Nitro Thunder King: BB 7-11-3
Academy® & MRC® Thunder King Large Rear Wheels: BB 7-11-3
Academy® & MRC® Baja King: Replacement Bearing - Stainless Bearing
Academy® & MRC® Desert Thunder: Replacement Bearing - Stainless Bearing Shielded Option
Academy® & MRC® Nitro Thunder King: Replacement Bearing - Stainless Bearing Shielded Option
Academy® & MRC® Thunder King: Replacement Bearing - Stainless Bearing Shielded Option
Academy® & MRC® Thunder King Large Rear Wheels: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: SMR117A-ZZS-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 7x11x3 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.68
134 Available Now -> Orders for more than 134 can be expected around Aug 19, 2026
View Entire Category:
Single Row Ball Bearings - 7x13x4 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Nitro Thunder King: BB 7-13-4
Academy® & MRC® Thunder King Large Rear Wheels: BB 7-13-4
Academy® & MRC® ThunderKing Larger Rear Wheel: BB 7-13-4
Academy® & MRC® Nitro Thunder King: Replacement Bearing - Standard Bearing
Academy® & MRC® Thunder King Large Rear Wheels: Replacement Bearing - Standard Bearing
Academy® & MRC® ThunderKing Larger Rear Wheel: Replacement Bearing - Standard Bearing

Replacement Part: MR137A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 7x13x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.77
200 Available Now -> Orders for more than 200 can be expected around Aug 19, 2026
View Entire Category:
Single Row Ball Bearings - 9.525x15.875x3.969 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Hammer Head: BB 9.53-15.88-3.97
Academy® & MRC® Ironman 1/10: BB 9.53-15.88-3.97
Academy® & MRC® MT-10M: BB 9.53-15.88-3.97
Academy® & MRC® MT-10M -T-10S 1/10: BB 9.53-15.88-3.97
Academy® & MRC® MT10S: BB 9.53-15.88-3.97
Academy® & MRC® Vortex: BB 9.53-15.88-3.97
Academy® & MRC® Hammer Head: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Ironman 1/10: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M -T-10S 1/10: Replacement Bearing - Economy Bearing
Academy® & MRC® MT10S: Replacement Bearing - Economy Bearing Shielded Option
Academy® & MRC® Vortex: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: R11012-ZZS-ECO (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 9.525x15.875x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.00 $6.00
87 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 9.525x15.875x3.969 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Hammer Head: BB 9.53-15.88-3.97
Academy® & MRC® Ironman 1/10: BB 9.53-15.88-3.97
Academy® & MRC® MT-10M: BB 9.53-15.88-3.97
Academy® & MRC® MT10S: BB 9.53-15.88-3.97
Academy® & MRC® Vortex: BB 9.53-15.88-3.97
Academy® & MRC® Hammer Head: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Ironman 1/10: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT-10M: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT10S: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® Vortex: Replacement Bearing - Economy Bearing Sealed Option

Replacement Part: R11012-2RB-ECO (Each)
Double blue rubber sealed economy bearing

Single Row Ball Bearings - 9.525x15.875x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing

$2.23
1802 Available Now -> Orders for more than 1802 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 10x15x4 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Q-Tee Coupe: BB 10-15-4
Academy® & MRC® RT-Sport RTR: BB 10-15-4
Academy® & MRC® STR-4 1/10 Scale: BB 10-15-4
Academy® & MRC® Q-Tee Coupe: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® RT-Sport RTR: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® STR-4 1/10 Scale: 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

$3.41
132 (264 pcs) Available Now -> Orders for more than 132 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 10x15x4 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Q-Tee Coupe: BB 10-15-4
Academy® & MRC® RT-Sport RTR: BB 10-15-4
Academy® & MRC® SBV2: BB 10-15-4
Academy® & MRC® STR-4 1/10 Scale: BB 10-15-4
Academy® & MRC® Q-Tee Coupe: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® RT-Sport RTR: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® SBV2: Replacement Bearing - Standard Bearing
Academy® & MRC® STR-4 1/10 Scale: 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
12 Available Now -> More due: Jul 27, 2026 -> Orders for more than 12 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 10x15x4 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Q-Tee Coupe: BB 10-15-4
Academy® & MRC® RT-Sport RTR: BB 10-15-4
Academy® & MRC® STR-4 1/10 Scale: BB 10-15-4
Academy® & MRC® Q-Tee Coupe: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® RT-Sport RTR: Replacement Bearing - Economy Bearing Sealed Option
Academy® & MRC® STR-4 1/10 Scale: 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
215 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 10x19x7 mm - Stainless Steel AISI 440C - Replaces -
Academy® & MRC® Baja King: BB 10-19-7
Academy® & MRC® Baja King: 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
92 Available Now -> Orders for more than 92 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 10x19x7 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Desert Thunder: BB 10-19-7
Academy® & MRC® Nitro Thunder King: BB 10-19-7
Academy® & MRC® Thunder King Large Rear Wheels: BB 10-19-7
Academy® & MRC® Desert Thunder: Replacement Bearing - Standard Bearing Sealed Option
Academy® & MRC® Nitro Thunder King: Replacement Bearing - Standard Bearing Sealed Option
Academy® & MRC® Thunder King: Replacement Bearing - Standard Bearing Sealed Option
Academy® & MRC® Thunder King Large Rear Wheels: Replacement Bearing - Standard Bearing Sealed Option

Replacement Part: 6800B-2RS (Each)
Double rubber sealed standard bearing. Non ISO Width

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

$4.95
76 Available Now -> Orders for more than 76 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 10x19x7 mm - Chrome Steel SAE 52100 - Replaces -
Academy® & MRC® Desert Thunder: BB 10-19-7
Academy® & MRC® Nitro Thunder King: BB 10-19-7
Academy® & MRC® Thunder King Desert Thunder Baja King: BB 10-19-7
Academy® & MRC® Thunder King Large Rear Wheels: BB 10-19-7
Academy® & MRC® ThunderKing Larger Rear Wheel: BB 10-19-7
Academy® & MRC® Desert Thunder: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® Nitro Thunder King: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® Thunder King: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® Thunder King Desert Thunder Baja King: Replacement Bearing - Standard Bearing
Academy® & MRC® Thunder King Large Rear Wheels: Replacement Bearing - Standard Bearing Shielded Option
Academy® & MRC® ThunderKing Larger Rear Wheel: Replacement Bearing - Standard Bearing

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
14 Available Now -> Orders for more than 14 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 10x19x7 mm - Stainless Steel AISI 440C - Replaces -
Academy® & MRC® Baja King: BB 10-19-7
Academy® & MRC® Baja King: Replacement Bearing - Stainless Bearing Sealed Option

Replacement Part: S6800B-2RS (Each)
Double rubber sealed standard bearing. Non ISO Width

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

$8.41
70 Available Now -> Orders for more than 70 can be expected around Aug 19, 2026
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