Inner x Outer x Depth (mm): 30.2 x 41.5 x 6.5 Inch Dia: 1-1/8â Angle / Chamfer (Deg): 36 / 36 Bearing ID: 30.2mm Bearing OD: 41.5mm Bearing Thickness: 6.5mm Internal Angle: 36 Degrees External Angle: 36 Degrees