50 mm mini heavy duty castor black double swivel castor bolt hole Wheel shape:flat With Ball Bearing: Double-sealed deep

With Ball Bearing: Double-sealed deep groove ball bearing made of steel – low-maintenance

125 mm Heavy Duty Swivel Castor – 1000 kg – Overall Height 163 mm

This robust 125 mm diameter gate roller is specially designed for use in sliding gates and guided rail systems

Robust drive wheel for continuous industrial use with high-quality Vulkollan® tread

50 mm mini heavy duty castor black double swivel castor bolt hole Wheel shape:flat With Ball Bearing: Double-sealed deepMini heavy duty castor black swivel castor 50 mm with back hole mounting suitable for 1 M10 screw (not included) flat or convex running surface with two polyurethane wheels (double roller) black tread surface yet non marking and abrasion resistant Noise reducing wheel pad with low rolling resistance