DescriptionThis ball bearing is made of premium material, which can withstand long-lasting use. Features the carbon steel material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This ball bearing will make the repair and fix easier and smoother.Features-Color:Silver-Material:Carbon steel - Size: 2.50X2.50X2.50cm/0.98X0.98X0.98in- Made of high grade carbon steel, high precision machining, high precision, high hardness, smooth and burr-free. - Very strong, the ball bearing is not easily deformed for a long time. - Installed between the inner and outer rings to reduce friction as the bearing rotates. - It can strengthen the protection of the machine and prolong the service life. - Suitable for auto parts, bicycles, valves, refrigerators, air conditioners, bearings, photographic equipment, drawer slides and many other applications.