Chain Pitch - Inch: 1.5
Chain Size: 120
Chain Pitch - Millimeter: 38.1
Pitch Diameter - Inch: 20.073
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 20.916
Other Features: Bushing Sold Separately | Bushing Not Included | Taper Lock Bushing
Pitch Diameter - Millimeter: 509.854
Mounting Method: Bushed

Thread Size: 18.107-5
Inch - Metric: Inch
Outside Diameter - Inch: 21.255
Outside Diameter - Millimeter: 539.877
Threads per Inch: 5

Nominal Thickness - Inch: 2.38
Nominal Thickness - Millimeter: 60.452

Component: Keyless Screw Locking Assembly
Series: B115
Inch - Metric: Metric
Material: Steel
Outside Diameter - Inch: 21.063

Outside Diameter - Millimeter: 535
Bore - Millimeter: 440
Length - Millimeter: 160
Other Features: 24 Locking Screws | Medium Duty | Self Centering | Double Taper | Wider Design | Exceptional Concentricity with Thru-Bored Hub
Length - Inch: 6.299

Component: Keyless Screw Locking Assembly
Series: B112
Inch - Metric: Metric
Material: Steel
Outside Diameter - Inch: 21.063

Outside Diameter - Millimeter: 535
Bore - Millimeter: 440
Length - Millimeter: 203
Other Features: 24 Locking Screws | Heavy Duty | Self Centering | Double Taper | Wider Design | Exceptional Concentricity with Thru-Bored Hub
Length - Inch: 7.992

Inch - Metric: Inch
Outside Diameter - Inch: 21.2
Outside Diameter - Millimeter: 538.48
Bore - Millimeter: 0
Bore - Inch: 0

Other Features: Bushing Sold Separately | Bushing Not Included | Taper Lock Bushing | Web Style
Mounting Method: Bushed
Belt Series: 8V
Bushing Size: 4545
Number of Grooves: 4