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
1043338 | FMR63A-ZZ-ECO (Each) --- Single Row Ball Bearings - 3x6x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing - 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
Double shielded flanged economy bearing

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

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

$4.32 $8.11
Temporarily Out Of Stock -> Backorder now for delivery around Jul 11, 2026
View Entire Category:
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
Deleted Item. Available while stocks last. Double green sealed flanged economy bearing

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 - 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: Bearing - Standard Bearing Shielded Option
Double shielded standard bearing

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 Jul 08, 2026
View Entire Category:
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: Bearing - Economy Bearing Shielded Option
Double shielded economy bearing

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

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

$3.95
33 (165 pcs) Available Now -> Orders for more than 33 can be expected around Jul 02, 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
Double shielded flanged stainless steel bearing

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

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

$12.32
Temporarily Out Of Stock -> More due: Jun 10, 2026 -> Orders for more than 0 can be expected around Jul 08, 2026
View Entire Category:
1059999 | MR85A-CSN-ZZS-G90-ECO (Each) --- Single Row Ball Bearings - 5x8x2.5 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing - 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: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® Ironman 1/10: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® MT-10M: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® MT10S: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® Q-Tee Coupe: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® RT-Sport RTR: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® STR-4 1/10 Scale: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® Vortex: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Double shielded economy ceramic-hybrid Bearing

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 Jul 16, 2026
View Entire Category:
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: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Ironman 1/10: Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M: Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M -T-10S 1/10: Bearing - Economy Bearing
Academy® & MRC® MT10S: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Q-Tee Coupe: Bearing - Economy Bearing Shielded Option
Academy® & MRC® RT-Sport RTR: Bearing - Economy Bearing Shielded Option
Academy® & MRC® SBV2: Bearing - Economy Bearing
Academy® & MRC® STR-4 1/10 Scale: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Vortex: Bearing - Economy Bearing Shielded Option
Double shielded economy bearing

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

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

$4.68
50 (250 pcs) Available Now -> Orders for more than 50 can be expected around Jul 02, 2026
View Entire Category:
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: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Ironman 1/10: Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT-10M: Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT10S: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Q-Tee Coupe: Bearing - Economy Bearing Sealed Option
Academy® & MRC® RT-Sport RTR: Bearing - Economy Bearing Sealed Option
Academy® & MRC® STR-4 1/10 Scale: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Vortex: Bearing - Economy Bearing Sealed Option
Deleted Item. Available while stocks last.

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
54 (270 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® STR-4 1/10 Scale: BB 5-10-4
Academy® & MRC® Q-Tee Coupe: Bearing - Economy Bearing Sealed Option
Academy® & MRC® STR-4 1/10 Scale: Bearing - Economy Bearing Sealed Option
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing

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: Bearing - Standard Bearing Shielded Option
Academy® & MRC® SBV2: Bearing - Standard Bearing
Academy® & MRC® STR-4 1/10 Scale: Bearing - Standard Bearing Shielded Option
Double shielded standard bearing

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 Jul 08, 2026
View Entire Category:
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: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Desert Thunder: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Hammer Head: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Ironman 1/10: Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT-10M: Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT10S: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Nitro Thunder King: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Thunder King: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Thunder King Large Rear Wheels: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Vortex: Bearing - Economy Bearing Sealed Option
Double blue rubber sealed economy flanged bearing

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 Jul 02, 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: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Hammer Head: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Ironman 1/10: Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M: Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M -T-10S 1/10: Bearing - Economy Bearing
Academy® & MRC® MT10S: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Nitro Thunder King: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Thunder King: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Thunder King Desert Thunder Baja King: Bearing - Economy Bearing
Academy® & MRC® Thunder King Large Rear Wheels: Bearing - Economy Bearing Shielded Option
Academy® & MRC® ThunderKing Larger Rear Wheel: Bearing - Economy Bearing
Academy® & MRC® Vortex: Bearing - Economy Bearing Shielded Option
Double shielded economy bearing

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

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

$5.14
9 (45 pcs) Available Now -> Orders for more than 9 can be expected around Jul 02, 2026
View Entire Category:
Single Row Ball Bearings - 5x11x4 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
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® Vortex: BB 5-11-4
Academy® & MRC® Hammer Head: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® Ironman 1/10: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® MT-10M: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® MT10S: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® Vortex: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Deleted Item. Available while stocks last.

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 - 5x11x4 mm - Stainless Steel AISI 440C - Replaces -
Academy® & MRC® Baja King: BB 5-11-4
Academy® & MRC® Baja King: Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

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

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

$5.86
55 Available Now -> Orders for more than 55 can be expected around Jul 08, 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: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® SP-3 Matiz 1/12 Scale: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Academy® & MRC® SP-3 X: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Double shielded ceramic-hybrid bearing with light anti-rust lubricant

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 Jul 02, 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: Bearing - Economy Bearing Sealed Option
Academy® & MRC® SP-3 Matiz 1/12 Scale: Bearing - Economy Bearing Sealed Option
Academy® & MRC® SP-3 X: Bearing - Economy Bearing Sealed Option
Double blue rubber sealed economy flanged bearing

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 Jul 02, 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: Bearing - Economy Bearing Shielded Option
Academy® & MRC® SP-3 Matiz 1/12 Scale: Bearing - Economy Bearing Shielded Option
Academy® & MRC® SP-3 X: Bearing - Economy Bearing Shielded Option
Double shielded economy bearing

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 Jul 02, 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
Deleted Item. Available while stocks last.

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 - 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
Double shielded flanged bearing

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 Jul 08, 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: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Nitro Thunder King: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Thunder King: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Thunder King Desert Thunder Baja King: Bearing - Economy Bearing
Academy® & MRC® Thunder King Large Rear Wheels: Bearing - Economy Bearing Shielded Option
Academy® & MRC® ThunderKing Larger Rear Wheel: Bearing - Economy Bearing
Double shielded economy bearing

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

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

$5.41
6 (30 pcs) Available Now -> Orders for more than 6 can be expected around Jul 02, 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 Large Rear Wheels: BB 6-12-4
Academy® & MRC® Desert Thunder: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Nitro Thunder King: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Thunder King: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Thunder King Large Rear Wheels: Bearing - Economy Bearing Sealed Option
Double black rubber sealed economy bearing

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 Jul 02, 2026
View Entire Category:
Single Row Ball Bearings - 6x12x4 mm - Stainless Steel AISI 440C - Replaces -
Academy® & MRC® Baja King: BB 6-12-4
Academy® & MRC® Baja King: Bearing - Stainless Bearing
Double shielded standard stainless steel bearing

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

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

$4.86
59 Available Now -> Orders for more than 59 can be expected around Jul 08, 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: Bearing - Standard Bearing Shielded Option
Academy® & MRC® Nitro Thunder King: Bearing - Standard Bearing Shielded Option
Academy® & MRC® Thunder King: Bearing - Standard Bearing Shielded Option
Academy® & MRC® Thunder King Desert Thunder Baja King: Bearing - Standard Bearing
Academy® & MRC® Thunder King Large Rear Wheels: Bearing - Standard Bearing Shielded Option
Academy® & MRC® ThunderKing Larger Rear Wheel: Bearing - Standard Bearing
Double shielded standard bearing

MR117A-ZZS-MC3 (Each)
Double shielded standard bearing

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

$3.32
179 Available Now -> Orders for more than 179 can be expected around Jul 08, 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: Bearing - Stainless Bearing
Academy® & MRC® Desert Thunder: Bearing - Stainless Bearing Shielded Option
Academy® & MRC® Nitro Thunder King: Bearing - Stainless Bearing Shielded Option
Academy® & MRC® Thunder King: Bearing - Stainless Bearing Shielded Option
Academy® & MRC® Thunder King Large Rear Wheels: Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

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 Jul 08, 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: Bearing - Standard Bearing
Academy® & MRC® Thunder King Large Rear Wheels: Bearing - Standard Bearing
Academy® & MRC® ThunderKing Larger Rear Wheel: Bearing - Standard Bearing
Double shielded standard bearing

MR137A-ZZ-MC3 (Each)
Double shielded standard bearing

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

$4.77
2 Available Now -> Orders for more than 2 can be expected around Jul 08, 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® MT10S: BB 9.53-15.88-3.97
Academy® & MRC® Vortex: BB 9.53-15.88-3.97
Academy® & MRC® Hammer Head: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Ironman 1/10: Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT-10M: Bearing - Economy Bearing Sealed Option
Academy® & MRC® MT10S: Bearing - Economy Bearing Sealed Option
Academy® & MRC® Vortex: Bearing - Economy Bearing Sealed Option
Double blue rubber sealed economy bearing

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
1806 Available Now -> Orders for more than 1806 can be expected around Jul 02, 2026
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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® 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: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Ironman 1/10: Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M: Bearing - Economy Bearing Shielded Option
Academy® & MRC® MT-10M -T-10S 1/10: Bearing - Economy Bearing
Academy® & MRC® MT10S: Bearing - Economy Bearing Shielded Option
Academy® & MRC® Vortex: Bearing - Economy Bearing Shielded Option
Deleted Item. Available while stocks last.

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
93 Available Now -> Only the available quantity may be ordered online. No backorders.
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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
Double black rubber sealed economy bearing

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 Jul 02, 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® 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
Double shielded standard bearing

6700A-ZZS (Each)
Double shielded standard bearing

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

$4.23
Temporarily Out Of Stock -> More due: Jun 21, 2026 -> Orders for more than 0 can be expected around Jul 08, 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
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing

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
Double shielded standard stainless steel bearing with NON-ISO Width

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

$19.23
Temporarily Out Of Stock -> More due: Jul 07, 2026 -> Orders for more than 0 can be expected around Jul 08, 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
Double rubber sealed standard bearing. Non ISO Width

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
Temporarily Out Of Stock -> More due: Jun 21, 2026 -> Orders for more than 0 can be expected around Jul 08, 2026
View Entire Category:
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
Double rubber sealed standard bearing. Non ISO Width

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 Jul 08, 2026
View Entire Category:
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
Double shielded standard bearing, non-ISO width

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 Jul 08, 2026
View Entire Category: