Profile: Complete Adapter with Sleeve
Inch - Metric: Metric
Length Thru Bore - Millimeter: 47
Length Thru Bore - Inch: 1.85
Bore - Millimeter: 55

Bore - Inch: 2.165
Other Features: Lock Washer | Tapered Threaded Sleeve

Inch - Metric: Metric
Outside Diameter - Inch: 4
Length Thru Bore - Millimeter: 123.952
Length Thru Bore - Inch: 4.88
Outside Diameter - Millimeter: 101.6

Bore - Millimeter: 55
Bore - Inch: 2.165
Other Features: Keyway on ID and Key on OD
Bushing Series: R2

Inch - Metric: Metric
Outside Diameter - Inch: 3.125
Length Thru Bore - Millimeter: 52.4
Length Thru Bore - Inch: 2.063
Outside Diameter - Millimeter: 79.375

Bore - Millimeter: 55
Bore - Inch: 2.165
Other Features: Keyway on ID
Bushing Series: SF

Component: Keyless Screw Locking Assembly
Series: B400
Inch - Metric: Metric
Material: Steel
Outside Diameter - Inch: 3.346

Outside Diameter - Millimeter: 85
Bore - Millimeter: 55
Length - Millimeter: 24
Other Features: 14 Locking Screws | Not Self Centering | Double Taper | Self Releasing | Pilot Bushing | Fair Concentricity
Length - Inch: 0.945

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Metric
Material: Cast Iron
Outside Diameter - Inch: 5

Length Thru Bore - Millimeter: 64
Other Features: Components May or May Not Intermix Among Brands
Mounting Method: Set Screw
Hub Diameter - Millimeter: 108
Coupling Type: Jaw Coupling