OS Engines® 61 SF-H RC W-7H Replacement RC Nitro Engine Parts

A selection of replacement parts for OS Engines®. 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 - 9.525x22.225x7.142 mm - Chrome Steel SAE 52100 - Replaces -
26731002
Front Bearing - Standard Bearing Shielded Option

Replacement Part: R6A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 9.525x22.225x7.142 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.95
75 Available Now -> Orders for more than 75 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 17x30x7 mm - Chrome Steel SAE 52100 - Replaces -
BB 17-30-7
Replacement Rear Bearing - Standard Bearing

Replacement Part: 6903 (Each)
Open standard bearing

Single Row Ball Bearings - 17x30x7 mm Unflanged - Chrome Steel SAE 52100 Bearing

$12.14 $14.56
Temporarily Out Of Stock -> Backorder now for delivery around May 26, 2026
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