Product code:12061)Diameter x width: 152x40Dynamic Load: 800KGSTop plate size: 174x174Bolt hole spacing: 140x140Hole's size: 15Overall height: 206Offset: 59Code for swivel caster(top plate type): 1206-152Plain 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): 1206-200Plain bearingHeavy duty twin wheel caster, nylon wheel with plain bearingSafety/Quality Approvals: