4" medium duty elastic rubber swivel caster

4" medium duty elastic rubber swivel caster 1.Housing:made of pressed steel,zinc plated,double ball bearing swivel head, wheel axle with nut. 2.Matching different fittings:swivel caster,swivel caster with total brake,threaded stem caster,threaded caster with total brake & fixed caster. Available sizes: Model numberwheel diameter (mm) wheel with (mm) load capacity (kg) overall height (mm) plate dimension (mm) setting pitch (mm) hole dia (mm) M11-63-xxx63328010895*6678*4511.5*8.5M11-75-xxx75329011995*6678*4511.5*8.5M11-100-xxx1003210013395*6678*4511.5*8.5M11-125-xxx1253212015795*6678*4511.5*8.5*Please contact us if you have any questions about our sizes.