Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 2.247
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 2.49
Other Features: With 2 Set Screw
Global Part Number GPN: 38639
Pitch Diameter - Millimeter: 57.07
Mounting Method: Finished Bore

Inch - Metric: Inch
Outside Diameter - Inch: 3.15
Outside Diameter - Millimeter: 80.01
Bore - Millimeter: 15.875
Other Features: Solid Style

Global Part Number GPN: 579117
Mounting Method: Finished Bore
Belt Series: 3L | 4L | A | 5L | B
Bushing Size: No Bushing
Number of Grooves: 1

Maximum Belt Width - Inch: 1
Maximum Belt Width - Millimeter: 25.4
Bearing Type: Ball Bearing
Face Width - Millimeter: 25.908
Face Width - Inch: 1.02

Inch - Metric: Inch
Material: Nylon
Outside Diameter - Inch: 5.56
Length Thru Bore - Millimeter: 12
Other Features: Crowned Face | 6203-2RS Insertion Molded Bearing | 7/8 Inch Belt Size

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Cast Iron
Outside Diameter - Inch: 3.25

Length Thru Bore - Millimeter: 27
Other Features: Components May or May Not Intermix Among Brands
Hub Diameter - Millimeter: 47.625
Coupling Type: Elastomeric Coupling
Torque: EPDM/Neoprene 240In-Lbs

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 2.062

Length Thru Bore - Millimeter: 20.65
Other Features: Components May or May Not Intermix Among Brands
Hub Diameter - Millimeter: 31.75
Coupling Type: Elastomeric Coupling
Torque: TPR 60In-Lbs