Wheel Material: Black  PU / Polyurethane
Ffeatures: use high-quality steel, corrosion-resistant black zinc, with expansion glue, mainly used in the composite pipes, wire mesh shelves, aluminum production line, gently pinch, closely attached to the canal wall. specially designed for dust-free workshop designed to clean, rolling and flexible, without leaving any trace, sliding noise.
Wheel diameter: 50,60,75,100,125
Optional wheel bearings: flat ball bearing single-round
Matching Stent: flat analysis type, screw type, insert rod, hole-top, expansive style. Application temperature range: -30 ℃ +80 ℃
Tread hardness: 85 (± 5) shore A