... trolley caster with top plate Item : 061S100TPR Wheel diameter :76x32mm,100x32mm,127x32mm Wheel materials : Nylon+TPR Fittings : Top plate ... swivel,screw thread,bolt hole,steel stem Wheel bearings : : Single bearing Load capacity :70kg,90kg,100kg ... caster,stretcher caster, healthcare bed casters, universal tables castor wheel, worktable castor,nylon yoke castor, plastic brake caster, ...