6311-Z Ball Bearing Double Shielded ID 55mm OD 120mm Width 29mm6311 Z Deep groove ball bearings single row Radial Bearing 55x120x29 6311 Z Deep groove ball bearings single row Radial Bearing 55 mm ID x 120 mm OD x 29 mm Wide. Item Sku : 6311 Z Brand : VXB Type : Deep groove ball bearings Inner (ID) : 55mm Outer (OD) : 120mm Width : 29mm Inner Inch : 2. 165 Inch Outer Inch : 4. 724 Inch Width Inch : 1. 142 Inch Size : 55mm x 120mm x 29mm Size Inch : 2. 165" x 4. 724" x 1. 142" Dynamic load : 74. 1 kN Static load :