2pcs R8ZZ, R20ZZ Deep Groove Ball Bearing Chrome Steel Ball Bearings Motor, Skateboards

Label:Yes Seal Type: Double Sealed Inner Race/Outer Race Meterial: Chrome Steel (GCr15) Accuracy Class: P0 (ABEC1) Noise Level: Z1 Model: R8ZZ, R20ZZ Cage Material: Stamping Steel Number of Pack: 2Pcs 1. Ball bearing, in which the rolling elements are spherical balls. ABEC Tolerance 3 (P6), Z2 Noise Level for most general use. 2. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. (Reducing the friction of certain moving parts by replacing sliding friction with rolling friction) 3. With small friction and high-limit speed, cost-effective and require little maintenance 4. Used in parts such as steering, engine, driveline, and driveshaft. Such as motors, skateboards, etc. 5. Bearings are shielded on BOTH SIDES to keep lubricant in. Chromium Steel long-life bearings, smooth and low noise.

Package Includes: 2 x Deep Groove Ball Bearings

Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.