61811-2RS1 Ball Bearing Double Sealed ID 55mm OD 72mm Width 9mm61811 2RS1 Deep groove ball bearings single row Radial Bearing 55x72x9 61811 2RS1 Deep groove ball bearings single row Radial Bearing 55 mm ID x 72 mm OD x 9 mm Wide. Item Sku : 61811 2RS1 Brand : VXB Type : Deep groove ball bearings Inner (ID) : 55mm Outer (OD) : 72mm Width : 9mm Inner Inch : 2. 165 Inch Outer Inch : 2. 835 Inch Width Inch : . 354 Inch Size : 55mm x 72mm x 9mm Size Inch : 2. 165" x 2. 835" x . 354" Dynamic load : 9. 04 kN Static load