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17X40X7R21
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More information about this reference
The product labeled 17X40X7R21 appears to be a bearing, specifically a ball bearing designed to support rotating parts in machinery. This bearing typically features an inner diameter of 17 mm, an outer diameter of 40 mm, and a width of 7 mm, making it suitable for various mechanical applications. The R21 part of the code suggests it may have a rubber seal or shield to help keep out dirt and moisture, ensuring smooth operation and longer life. Such bearings are commonly used in equipment like electric motors, bicycles, or small machinery where smooth rotation and durability are
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