Inch - Metric: Metric
Outside Diameter - Inch: 1.654
Outside Diameter - Millimeter: 42
Other Features: Face Dia 32 | No Key Bent | Deep Drawn Steel Strip
Inside Diameter - Millimeter: 25

Thread Size: M20 X 1
Inch - Metric: Metric
Outside Diameter - Inch: 1.575
Outside Diameter - Millimeter: 40
Other Features: Precision | Three M6 Locking Pins | With Two Diametrically Opposed Flats to Take Spanner

Nominal Thickness - Inch: 0.709
Nominal Thickness - Millimeter: 18

Thread Size: M25 X 1.5
Inch - Metric: Metric
Outside Diameter - Inch: 1.654
Outside Diameter - Millimeter: 42
Other Features: Precision | Three M6 Locking Pins

Nominal Thickness - Inch: 0.787
Nominal Thickness - Millimeter: 20

Bore Profile: Minimum Plain Bore
Component: Hub
Inch - Metric: Metric
Material: Aluminum
Outside Diameter - Inch: 1.575

Length Thru Bore - Millimeter: 25
Other Features: Components May or May Not Intermix Among Brands
Hub Diameter - Millimeter: 40
Hub Diameter - Inch: 1.575
Coupling Type: Elastomeric Coupling

Inch - Metric: Metric
Outside Diameter - Inch: 1.654
Outside Diameter - Millimeter: 42
Inside Diameter - Millimeter: 25