A-Tech® Replacement RC Car Parts

A selection of replacement parts for A-Tech®. 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 - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
A-Tech® XMB4 Buggy: BB 4-8-3
A-Tech® XMT-4 Truck: BB 4-8-3
A-Tech® XMB4 Buggy: Bearing - Standard Bearing Shielded Option
A-Tech® XMT-4 Truck: 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
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
A-Tech® XMB4 Buggy: BB 4-8-3
A-Tech® XMT-4 Truck: BB 4-8-3
A-Tech® XMB4 Buggy: Bearing - Economy Bearing Shielded Option
A-Tech® XMT-4 Truck: 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 - 6x10x3 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls - Replaces -
A-Tech® XMB4 Buggy: BB 6-10-3
A-Tech® XMT-4 Truck: BB 6-10-3
A-Tech® XMB4 Buggy: Bearing - Economy Ceramic Hybrid Bearing Shielded Option
A-Tech® XMT-4 Truck: 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
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Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
A-Tech® XMB4 Buggy: BB 6-10-3
A-Tech® XMT-4 Truck: BB 6-10-3
A-Tech® XMB4 Buggy: Bearing - Economy Bearing Sealed Option
A-Tech® XMT-4 Truck: 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
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Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
A-Tech® XMB4 Buggy: BB 6-10-3
A-Tech® XMT-4 Truck: BB 6-10-3
A-Tech® XMB4 Buggy: Bearing - Economy Bearing Shielded Option
A-Tech® XMT-4 Truck: 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
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Single Row Ball Bearings - 8x12x3.5 mm - Stainless Steel AISI 440C - Replaces -
A-Tech® XMB4 Buggy: BB 8-12-3.5
A-Tech® XMT-4 Truck: BB 8-12-3.5
A-Tech® XMB4 Buggy: Bearing - Economy Bearing Sealed Option
A-Tech® XMT-4 Truck: Bearing - Economy Bearing Sealed Option
Double black rubber sealed economy bearing

SMR128A-2RS-ECO (PK-5)
Double black rubber sealed economy bearing

Single Row Ball Bearings - 8x12x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing

$8.32
23 (115 pcs) Available Now -> Orders for more than 23 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 8x12x3.5 mm - Chrome Steel SAE 52100 - Replaces -
A-Tech® XMB4 Buggy: BB 8-12-3.5
A-Tech® XMT-4 Truck: BB 8-12-3.5
A-Tech® XMB4 Buggy: Bearing - Standard Bearing Shielded Option
A-Tech® XMT-4 Truck: Bearing - Standard Bearing Shielded Option
Double shielded standard bearing

MR128A-ZZS-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 8x12x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.23
52 Available Now -> Orders for more than 52 can be expected around Jul 08, 2026
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