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.Made of Bearing Steel, with groove.
4.OD:6mm, ID:30mm, Load-bearing: 355KG.
5.Groove bearing pulley, use for high-grade automatic sun room, mobile garage doors, transmission machinery, etc.
6.High sealing performance, high operation performance.

Specifications:
Material: Bearing Steel
Color: Black + Silver
Brand name: Unbranded
Groove :Groove
Load-bearing(each): 355kg
Inner Diameter(ID): 6mm
Outer Diameter(OD): 30mm
Overall Size: 6 x 30 x 8mm/0.24 x 1.18 x 0.31 inch(ID x OD x H)
weight(1 set): 25g

package include(1 set):
1 x Bearing Pulley