Skate wheels are small size, light weight, fit for flat bottom articles. Used for conveying system corners or shunt, the confluence part, can also be used on both sides of the conveyor for guard and guide 1) Material: Carbon steel (Surface zinc plating) 2) Cage: Steel 3) Ball: steel 4) Precision: P0 - P6 5) Vibration: Z1 - Z3 6）Clearance: C0 - C5 7) Application: Trolley, roller conveyor and other transmission machinery