HM516449C-HM516410-TOPROL - 82.55x133.35x39.69 mm Dimensions: d - Bore82.550 mm 3.2500 in D - Cup Outer Diameter133.350 mm 5.2500 in B - Cone Width39.688 mm 1.5625 in C - Cup Width32.545 mm 1.2813 in T - Bearing Width39.688 mm 1.5625 in