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17X28X5R21
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The 17X28X5R21 is a type of bearing known as a deep groove ball bearing. It is designed to support both radial and axial loads, making it versatile for various machinery and equipment. The numbers indicate its dimensions: approximately 17 mm inner diameter, 28 mm outer diameter, and 5 mm width. The R21 typically refers to a specific seal or rubber shield feature that helps protect the bearing from dust and dirt, ensuring smooth operation and longer life. This bearing is commonly used in applications such as electric motors, household appliances, and small machinery where reliable rotation
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