Inner ring width: 30.2 mm Total width: 43.7 mm Highlight width: 18.3 mm Outer ring width: 18 mm Distance between the center of the lubrication zone: 6.2 mm Shaft diameter: 40 mm Outer diameter of centering ring: 58 mm Outer diameter: 80 mm Screw size: M8x1 Adjustment screw distance: 6.5 mm Wrench size: 4 mm