Deep Groove Ball Bearings Ultra-Thin Sealed Bearings ID 10/12/15/17/20/25/30mm
ID: 10/12/15/17/20/25/30mm. Application: Deep Groove Ball Bearings 67 Ultra-thin Series, Suitable for Micro High-speed Rotating Parts Such As Machinery. Thick: 4/9/10mm. Feature: Bearing Steel, Strong Stability, High Speed, Good Noise Reduction Effect.