Duratrax® ST Pro Replacement RC Car Parts

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

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Replacement Parts Price Quantity
Single Row Ball Bearings - 3x7x3 mm - Chrome Steel SAE 52100 - Replaces -
BB 3-7-3
Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 683A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 3x7x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.86
116 Available Now -> Orders for more than 116 can be expected around Jul 28, 2026
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Single Row Ball Bearings - 3x7x3 mm - Chrome Steel SAE 52100 - Replaces -
BB 3-7-3
Replacement Bearing - Economy Bearing

Replacement Part: 683A-2RG-ECO (Each)
Double green rubber sealed economy bearing

Single Row Ball Bearings - 3x7x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$12.68
24 Available Now -> Orders for more than 24 can be expected around Aug 11, 2026
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Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-10-4
BB 5-10-4
Replacement Bearing - Economy Bearing Sealed Option
Replacement Bearing - Economy Bearing Sealed Option
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.
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Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-10-4
BB 5-10-4
Replacement Bearing - Standard Bearing Shielded Option
Replacement Bearing - Standard Bearing Shielded Option
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
404 Available Now -> Orders for more than 404 can be expected around Aug 03, 2026
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Single Row Ball Bearings - 8x14x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 8-14-4
Replacement Bearing - Standard Bearing Sealed Option

Replacement Part: MR148A-2RS-MC3 (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 8x14x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.86
73 Available Now -> Orders for more than 73 can be expected around Aug 03, 2026
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Single Row Ball Bearings - 8x14x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 8-14-4
Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: MR148A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 8x14x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$6.05
76 Available Now -> Orders for more than 76 can be expected around Jul 28, 2026
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