WQAZ Sealed Ball Bearings 2Pcs Guide Roller Bearing High Carbon Chrome Ball Bearings Steel Spherical Raceway Linear Bearings CNC Part Less frictional Noise (Color : Type 1)
- The bearing is made of high carbon chrome bearing steel,a kind of high strength ,high hardness material..
- The roller way is spherical raceway type..
- Well polished surface provides good smoothness and flatness..
- There are two kinds of bearing of different inner diameter for you to choose from..
- Compact and practical design makes it works more stable..