Size: STD Width: 31.0 mm Wall thickness (max): 2.473 mm Shaft diameter (min): 89.98 mm Shaft diameter: 90.0 mm Bearing diameter (min): 95.0 mm Bearing diameter: 95.022 mm Bearing clearance (Min): 0.05 mm Bearing clearance (Max): 0.12 mm Weight: 0.20 kg