Features:
1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;
2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.
3.U-type groove ball bearings, fashionable, slide flexible, compression wear.
4.Suitable for furniture hardware accessories, doors and window,disinfection cabinets, printers and other pulleys
5.Used as replacement part for industrial equipment, office equipment, packaging machinery, pulleys, transmission equipment ect.

Specifications:
Material:Engineering Plastics+Bearing Steel
Color:White
Brand name: Unbranded
Size:2.1x0.5x0.7cm/0.82x0.19x0.25 inch(ODxIDxThick)
Groove width:4mm
Groove depth:1.6mm
Groove radian: R=2mm
Load-bearing:67KG
Bearing Model:625ZZ
Weight:24g

Package include:
4x U-type Groove Guide Pulley