ITEM NAME:Ball Bearing Rolling Bearing Steel Solder 1-50 V 624VV Bearing 4 x 13 x 6 m Z4D3 Ball Bearing Rolling Bearing Steel Solder 1-50 V 624VV Bearing 4 x 13 x 6 m Z4D3 This bearing is made for bearing steel, mass accuracy are very suitable for high-precision high-speed, high-load components, textile winding machine, mechanical equipment, and so on. Customers are mainly used for wire cutting polybdenum wire and other wire guide wheel assembly. Double row slanting ball High quality steel, sealed robust metal Size: 4mm x 13mm x 6mm V-groove width: 4mm Color: silver