Specification: U model, the inner diameter is 6mm, the outer diameter is 29mm, and the thickness is 8mm
Material: reinforced nylon hard
Color: Orange
Bearing type: non-standard 608rs bearing
(slot width =5mm, groove depth =2.5mm radian radius r=2.5mm)
(inner, diameter, =6mm, outer, diameter = 22mm, thickness = 8mm)
Bearing material: high quality bearing steel