Size: STD Width: 31.0 mm Wall Thickness (Start): 2.445 mm Wall Thickness (End): 2.451 mm Shaft Diameter (Start): 89.98 mm Shaft Diameter (End): 90.0 mm Housing Diameter (Start): 95.0 mm Housing Diameter (End): 95.022 mm Bearing Play (Start): 0.054 mm Bearing Play (End): 0.121 mm Weight: 0.18 kg