Sell Ball Bearing R4A-ZZ 2Z Double Metal Seal best price

A ball bearing is a type of rolling-element bearing that uses balls to maintain the separation between the bearing races. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. It achieves this by using at least two races to contain the balls and transmit the loads through the balls. Can be used in projects, computer fans and spinning devices, skateboards, motorcycles, fidgets, hobbies, cars, machines, pumps, and a wide range of applications. Item type: R4A 2Z / R4A ZZ DOUBLE METAL SEALED METAL SHIELDED BOTH SIDES Dimension in millimeter (mm):6.35x19.05x7.14 Inside diameter: 6.35mm Outside diameter: 19.05mm Thickness: 7.14mm *For use also in wheelchairs* Dimension in inches (in.):1/4 x 3/4 x 9/32 Inside diameter: 1/4 Outside diameter: 3/4 Thickness: 9/32 Good quality ball bearing for use in everyday applications. **For use in some wheelchairs. please check size. *** items are sold per piece. Wholesale price available. *** please double check specifications before you place your order.