Chain Pitch - Inch: 1.25
Chain Size: 20B-1
Pitch Diameter - Inch: 20.305
Inch - Metric: Metric
Material: Steel

Outside Diameter - Inch: 21.016
Other Features: Simplex Type
Global Part Number GPN: 570091
Pitch Diameter - Millimeter: 515.75
Mounting Method: Rough Bore

Component: Vertical Split Cover
Width - Millimeter: 432
Inch - Metric: Metric
Material: Aluminum
Outside Diameter - Inch: 20.984

Outside Diameter - Millimeter: 533
Other Features: Components May or May Not Intermix Among Brands | 120MM To 228MM Bore Range | 1750 RPM Speed
Coupling Type: Grid Coupling
Width - Inch: 17.008

Component: Element
Width - Millimeter: 0
Inch - Metric: Inch
Material: Polyurethane
Outside Diameter - Inch: 21

Outside Diameter - Millimeter: 533.4
Other Features: Components May or May Not Intermix Among Brands | Material Flexing | Maximum Shaft Distance 3.75
Coupling Type: Elastomeric Coupling
Torque: 85050In-Lbs
Width - Inch: 0

Component: Cup
Flange Outside Diameter - Millimeter: 0
Inch - Metric: Inch
Outside Diameter - Inch: 21
Flange Outside Diameter - Inch: 0

Outside Diameter - Millimeter: 533.4
Other Features: Heavy Duty
Global Part Number GPN: 646172
Precision Class: Standard
Basic Number: HH953710

Component: Assembly
Inch - Metric: Inch
Outside Diameter - Inch: 21
Outside Diameter - Millimeter: 533.4
Bore - Millimeter: 254

Other Features: 1 Single Cone | 1 Single Cup | Heavier Duty
Global Part Number GPN: 657196
Assembly Components: HH953749 (1) | HH953710 (1)
Basic Number: HH953749
Precision Class: Standard