[4" DIA] X [1-1/4" WIDE] PLATE MOUNT CASTER W/BRAKE (3/8" AXLE),(1/2" BORE),(1-1/2" HUB WIDTH) TREADE TYPE-FLAT, DELRIN BEARING, 275 LBS (PLATE SIZE 2-3/8" X 3-5/8" AND 1-3/4" X 3" HOLE CENTERS) (LOAD HEIGHT -5") ( RUBBER WHEEL ONLY # 28-1310 US RANGE PS, PX, P11 Dito Dean 30-0034