Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Metric
Material: Cast Iron
Outside Diameter - Inch: 2.126

Length Thru Bore - Millimeter: 25
Other Features: Components May or May Not Intermix Among Brands
Mounting Method: Set Screw
Hub Diameter - Millimeter: 54
Coupling Type: Jaw Coupling

Chain Pitch - Inch: 0.625
Chain Size: 50
Chain Pitch - Millimeter: 15.875
Chain Type: Roller Chain
Bearing Type: Ball Bearing

Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 3.32
Length Thru Bore - Millimeter: 18.288
Other Features: 0.343 Inch Teeth Width | With 203KRR2 Bearing

Inch - Metric: Inch
Outside Diameter - Inch: 1.75
Outside Diameter - Millimeter: 44.45
Bore - Millimeter: 15.875
Bore - Inch: 0.625

Other Features: Solid Style
Mounting Method: Finished Bore
Belt Series: 3L | 4L | A
Bushing Size: No Bushing
Number of Grooves: 1

Inch - Metric: Inch
Outside Diameter - Inch: 4.15
Outside Diameter - Millimeter: 105.41
Bore - Millimeter: 15.875
Other Features: Solid Style

Global Part Number GPN: 579210
Mounting Method: Finished Bore
Belt Series: 3L | 4L | A | 5L | B
Bushing Size: No Bushing
Number of Grooves: 1

Inch - Metric: Inch
Outside Diameter - Inch: 4.75
Outside Diameter - Millimeter: 120.65
Bore - Millimeter: 15.875
Other Features: Type 3

Global Part Number GPN: 16123
Mounting Method: Finished Bore
Belt Series: 3L | 4L | A
Bushing Size: No Bushing
Number of Grooves: 1