Ball bearing, rollers, pulleys convey wheel bearings.
Special kinds of ball bearing, rollers, pulleys convey wheel bearings
The materials are among the carbon steel, aluminum, stainless steel, brass, bro...
Application: Sliding Door & Window Roller and Accessories.
Polyacetal, Nylon bearings convex (Track) type-Non retainer
Application: Folding Door, Shower Door, Drawer, Curtain, Furniture, etc.