Inch - Metric: Metric
Outside Diameter - Inch: 12.283
Outside Diameter - Millimeter: 312
Other Features: Face Dia 270 | No Key Bent | Deep Drawn Steel Strip
Inside Diameter - Millimeter: 240

Thread Size: TR240 X 4
Inch - Metric: Metric
Outside Diameter - Inch: 11.811
Outside Diameter - Millimeter: 300
Other Features: Trapezoidal Thread

Nominal Thickness - Inch: 1.339
Nominal Thickness - Millimeter: 34

Inch - Metric: Metric
Outside Diameter - Inch: 12.028
Outside Diameter - Millimeter: 305.5
Bore - Millimeter: 0
Bore - Inch: 0

Other Features: Bushing Sold Separately | Bushing Not Included | Taper Lock Bushing
Mounting Method: Bushed
Belt Series: SPA
Bushing Size: 2012
Number of Grooves: 1

Inch - Metric: Metric
Outside Diameter - Inch: 12.028
Outside Diameter - Millimeter: 305.5
Bore - Millimeter: 0
Bore - Inch: 0

Other Features: Bushing Sold Separately | Bushing Not Included | Taper Lock Bushing
Mounting Method: Bushed
Belt Series: SPA
Bushing Size: 2517
Number of Grooves: 2

Component: Element
Inch - Metric: Inch
Material: Polyurethane
Outside Diameter - Inch: 12.5
Outside Diameter - Millimeter: 317.5

Other Features: Components May or May Not Intermix Among Brands | Material Flexing | Maximum Shaft Distance 3.44
Coupling Type: Elastomeric Coupling
Torque: 12500In-Lbs