Thread Size: M170 X 3
Inch - Metric: Metric
Outside Diameter - Inch: 7.874
Outside Diameter - Millimeter: 200
Nominal Thickness - Inch: 1.024

Nominal Thickness - Millimeter: 26

Thread Size: M155 X 3
Inch - Metric: Metric
Outside Diameter - Inch: 7.874
Outside Diameter - Millimeter: 200
Nominal Thickness - Inch: 0.984

Nominal Thickness - Millimeter: 25

Bore Profile: Minimum Plain Bore
Component: Hub
Inch - Metric: Metric
Material: Cast Iron
Outside Diameter - Inch: 7.875

Length Thru Bore - Millimeter: 100
Other Features: Components May or May Not Intermix Among Brands
Hub Diameter - Millimeter: 180
Hub Diameter - Inch: 7.087
Coupling Type: Jaw Coupling

Component: Keyless Screw Locking Assembly
Series: B400
Inch - Metric: Metric
Material: Steel
Outside Diameter - Inch: 7.874

Outside Diameter - Millimeter: 200
Bore - Millimeter: 150
Length - Millimeter: 38
Other Features: 24 Locking Screws | Not Self Centering | Double Taper | Self Releasing | Pilot Bushing | Fair Concentricity
Length - Inch: 1.496

Component: Keyless Screw Locking Assembly
Series: B103
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 7.874

Outside Diameter - Millimeter: 200
Bore - Millimeter: 150.825
Length - Millimeter: 55
Other Features: 10 Locking Screws | Self Centering | Single Taper | Shallow | Integrated Push-Off Thread | Limited Axial Movement
Length - Inch: 2.165