Make your life easier, have big objects easier to Maneuver using the VXB20050ALT1B-S Wheel Caster. The wheel diameter is 50mm or 1.969" inch in inches. The wheel has a width of 50mm=1.969" inch. Overall height of the wheel caster is 257mm = 10.118" inch. is the method of installing the caster to your equipment, here are the dimensions 47mm x 47mm with the holes distance of 129mm x 74mm. This caster wheel core material is Acrylonitrile Butadiene Styrene (Plastic) and has a Acrylonitrile Butadiene Styrene (Plastic) tire spinning over Roller bearing. Each caster will carry the load of 77 lb and is Swivel and Upper Brake type. Temperature range is -40 to 180 F. Buy our VXB20050ALT1B-S, we wish all the best.