Bore Profile: Round
Pitch Diameter - Inch: 6.04
Pitch - Millimeter: 19.05
Inch - Metric: Inch
Outside Diameter - Inch: 6.09

Material: Thermoplastic
Other Features: Idler Bores are Slightly Oversized
Pitch Diameter - Millimeter: 153.416
Mounting Method: Idler Bore
Modular - Flat Top Size: 8503 | 8505 | 8506 | 8507

Bore Profile: Round
Pitch Diameter - Inch: 6.504
Pitch - Millimeter: 38.1
Inch - Metric: Inch
Outside Diameter - Inch: 6.56

Material: Cast Iron
Other Features: Arm Body
Pitch Diameter - Millimeter: 165.202
Mounting Method: Rough Bore
Modular - Flat Top Size: 815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB

Bore Profile: Round
Pitch Diameter - Inch: 6.032
Pitch - Millimeter: 38.1
Inch - Metric: Inch
Outside Diameter - Inch: 6.07

Material: Cast Iron
Other Features: Arm Body
Pitch Diameter - Millimeter: 153.213
Mounting Method: Finished Bore
Modular - Flat Top Size: 815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB

Bore Profile: Round
Pitch Diameter - Inch: 6.504
Pitch - Millimeter: 38.1
Inch - Metric: Inch
Outside Diameter - Inch: 6.56

Material: Cast Iron
Other Features: Arm Body
Pitch Diameter - Millimeter: 165.202
Mounting Method: Finished Bore
Modular - Flat Top Size: 815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB

Bore Profile: Round
Pitch Diameter - Inch: 6.032
Pitch - Millimeter: 38.1
Inch - Metric: Inch
Outside Diameter - Inch: 6.07

Material: Cast Iron
Other Features: Arm Body
Pitch Diameter - Millimeter: 153.213
Mounting Method: Finished Bore
Modular - Flat Top Size: 815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB