MR688-ZZ-W4 Ball Bearing Double Shielded ID 8mm OD 16mm Width 4mmMR688 ZZ W4 Deep groove ball bearings single row Radial Bearing 8x16x4 MR688 ZZ W4 Deep groove ball bearings single row Radial Bearing 8 mm ID x 16 mm OD x 4 mm Wide. Item Sku : MR688 ZZ W4 Brand : VXB Type : Deep groove ball bearings Inner (ID) : 8mm Outer (OD) : 16mm Width : 4mm Inner Inch : . 315 Inch Outer Inch : . 63 Inch Width Inch : . 157 Inch Size : 8mm x 16mm x 4mm Size Inch : . 315" x . 63" x . 157" Dynamic load : 1. 6 kN Static load : . 71