Thread Size: TR210 X 4
Inch - Metric: Metric
Outside Diameter - Inch: 10.63
Outside Diameter - Millimeter: 270
Other Features: Trapezoidal Thread

Nominal Thickness - Inch: 1.181
Nominal Thickness - Millimeter: 30

Thread Size: TR220 X 4
Inch - Metric: Metric
Outside Diameter - Inch: 11.024
Outside Diameter - Millimeter: 280
Other Features: Trapezoidal Thread

Nominal Thickness - Inch: 1.26
Nominal Thickness - Millimeter: 32

Chain Pitch - Inch: 1.25
Chain Size: 20B-1
Chain Pitch - Millimeter: 31.75
Pitch Diameter - Inch: 10.37
Inch - Metric: Metric

Material: Steel
Outside Diameter - Inch: 11.045
Other Features: 25MM Plain Bore
Pitch Diameter - Millimeter: 263.41
Mounting Method: Rough Bore

Chain Pitch - Inch: 1
Chain Size: 16B-1
Chain Pitch - Millimeter: 25.4
Pitch Diameter - Inch: 10.202
Inch - Metric: Metric

Material: Steel
Outside Diameter - Inch: 10.753
Other Features: 25MM Plain Bore
Pitch Diameter - Millimeter: 259.14
Mounting Method: Rough Bore

Component: Element
Inch - Metric: Inch
Material: Polyurethane
Outside Diameter - Inch: 11
Outside Diameter - Millimeter: 279.4

Other Features: Components May or May Not Intermix Among Brands | Material Flexing | Maximum Shaft Distance 3.38
Coupling Type: Elastomeric Coupling
Torque: 7650In-Lbs