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 | ||
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- Replaces - BB 9-17-4 Bearing - Standard Bearing Open standard bearing with low-torque light oil lubricant 689-MC3-AF12 (Each) Open standard bearing with low-torque light oil lubricant Single Row Ball Bearings - 9x17x4 mm Unflanged - Chrome Steel SAE 52100 Bearing |
$4.77
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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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Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
Double lightly sealed economy bearing with a high speed polyamide retainer 689A-2RU-T9H-ECO (Each) Double lightly sealed economy bearing with a high speed polyamide retainer Single Row Ball Bearings - 9x17x5 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing |
$28.59
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Temporarily Out Of Stock
-> Backorder now for delivery around Jul 16, 2026
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- Replaces - BB 9-17-4 Bearing - Stainless Bearing Open standard stainless steel bearing S689-MC3-AF12 (Each) Open standard stainless steel bearing Single Row Ball Bearings - 9x17x4 mm Unflanged - Stainless Steel AISI 440C Bearing |
$3.77
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9 Available Now
-> More due: Jun 21, 2026
-> Orders for more than 9 can be expected around Jul 08, 2026
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Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
Single shielded economy bearing with a high speed polyamide retainer 689A-Z-T9H-ECO (Each) Single shielded economy bearing with a high speed polyamide retainer Single Row Ball Bearings - 9x17x5 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing |
$42.41
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Temporarily Out Of Stock
-> Backorder now for delivery around Jul 16, 2026
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- Replaces - BB 9-17-5 Bearing - Stainless Bearing Shielded Option Double shielded standard stainless steel bearing S689A-ZZ-MC3 (Each) Double shielded standard stainless steel bearing Single Row Ball Bearings - 9x17x5 mm Unflanged - Stainless Steel AISI 440C Bearing |
$3.95
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14 Available Now
-> Orders for more than 14 can be expected around Jul 08, 2026
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Replacement Bearing - Stainless Bearing Sealed Option
Double black rubber sealed standard stainless steel bearing S689A-2RS-MC3 (Each) Double black rubber sealed standard stainless steel bearing Single Row Ball Bearings - 9x17x5 mm Unflanged - Stainless Steel AISI 440C Bearing |
$3.50
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73 Available Now
-> Orders for more than 73 can be expected around Jul 08, 2026
View Entire Category: | ||||
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- Replaces - BB 9-17-5 Bearing - Standard Bearing Sealed Option Double rubber sealed standard bearing 689A-2RS-MC3 (Each) Double rubber sealed standard bearing Single Row Ball Bearings - 9x17x5 mm Unflanged - Chrome Steel SAE 52100 Bearing |
$3.95
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71 Available Now
-> Orders for more than 71 can be expected around Jul 08, 2026
View Entire Category: | ||||
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- Replaces - 26731002 - Original only has a standard cage Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer Single shielded economy ceramic-hybrid bearing with a high speed polyamide retainer R6A-CSN-Z-T9H-ECO (Each) Single shielded economy ceramic-hybrid bearing with a high speed polyamide retainer Single Row Ball Bearings - 9.525x22.225x7.142 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing |
$74.95
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Temporarily Out Of Stock
-> Backorder now for delivery around Jul 16, 2026
View Entire Category: | ||||
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- Replaces - 26731002 - Original only has a standard cage Replacement Bearing - Standard Bearing Shielded Option Double shielded standard bearing 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
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19 Available Now
-> Orders for more than 19 can be expected around Jul 08, 2026
View Entire Category: | ||||
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- Replaces - BB 12-28-7 Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer Double black rubber sealed economy ceramic-hybrid bearing with a high speed polyamide retainer and NON-ISO width 6001B-CSN-T9H-ECO (Each) Double black rubber sealed economy ceramic-hybrid bearing with a high speed polyamide retainer and NON-ISO width Single Row Ball Bearings - 12x28x7 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing |
$81.77
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Temporarily Out Of Stock
-> Backorder now for delivery around Jul 16, 2026
View Entire Category: | ||||
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- Replaces - BB 12-28-7 Replacement Bearing - High Speed Bearing - Polyamide Retainer Deleted Item. Available while stocks last. 6001B-C3-T9H (Each) Deleted Item. Available while stocks last. Single Row Ball Bearings - 12x28x7 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing |
$3.79
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102 Available Now
-> Only the available quantity may be ordered online. No backorders.
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