Product code:12051)Diameter x width: 160x50Dynamic Load: 800KGSTop plate size: 174x174Bolt hole spacing: 140x140Hole's size: 15Overall height: 210Offset: 59Code for swivel caster(top plate type): 1205-160Ball bearing2)Diameter x width: 200x50Dynamic Load: 1000KGSTop plate size: 174x174Bolt hole spacing: 140x140Hole's size: 15Overall height: 250Offset: 62Code for swivel caster(top plate type): 1205-200Ball bearingHeavy duty twin wheel caster, elastic rubber wheel with nylon core, double ball bearingsSafety/Quality Approvals: