OS Engines® 90 FR 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.

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Replacement Parts Price Quantity
Single Row Ball Bearings - 10x26x8 mm - Chrome Steel SAE 52100 - Replaces -
BB 10
Replacement Front Bearing - Standard Bearing Shielded Option

Replacement Part: 6000-ZZ (Each)
Double shielded standard bearing

Single Row Ball Bearings - 10x26x8 mm Unflanged - Chrome Steel SAE 52100 Bearing

$6.23
Temporarily Out Of Stock -> Backorder now for delivery around May 26, 2026
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Single Row Ball Bearings - 17x35x8 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
BB 17-35-8
Replacement Rear Bearing - High Speed Economy Bearing - Polyamide Retainer

Replacement Part: 6003A-TNH-ECO (Each)
Open economy bearing with a high speed polyamide retainer and NON-ISO width

Single Row Ball Bearings - 17x35x8 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$46.77 $56.13
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 17x35x8 mm - Chrome Steel SAE 52100 - Replaces -
BB 17-35-8
Replacement Rear Bearing - Standard Bearing

Replacement Part: 6003A (Each)
Non ISO Width

Single Row Ball Bearings - 17x35x8 mm Unflanged - Chrome Steel SAE 52100 Bearing

$16.32
1 Available Now -> Orders for more than 1 can be expected around May 26, 2026
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