L-415 Miniature Bearing 1.5mm x 4mm x 1.2mmL 415 Metric Bearing 1. 5x4x1. 2 mm 1. 5mm Bore Small Bearing L 415 Single row, Thin Series, Deep groove, Radial miniature Bearing 1. 5 mm ID inner diameter x 4 mm outer diameter OD x width of 1. 2 mm. Item SKU: L 415 Radial Single row, Thin Series, Deep groove Ball Bearing Material: Chrome Steel 52100 Standard: Metric Bore Inner (ID): 1. 5mm inner diameter Outer (OD): 4mm outer diameter Width Hight : 1. 2mm wide L 415 Dimensions: 1. 5mm x 4mm x 1.