6306-RZ Sealed Ball Bearing ID 30mm OD 72mm Width 19mm6306 RZ Sealed Deep groove ball bearings single row Radial Bearing 30x72x19 6306 RZ Deep groove ball bearings single row Radial Bearing 30 mm ID x 72 mm OD x 19 mm Wide. Item Sku : 6306 RZ Brand : VXB Type : Deep groove ball bearings Inner (ID) : 30mm Outer (OD) : 72mm Width : 19mm Inner Inch : 1. 181 Inch Outer Inch : 2. 835 Inch Width Inch : . 748 Inch Size : 30mm x 72mm x 19mm Size Inch : 1. 181" x 2. 835" x . 748" Dynamic load : 29. 6 kN Static