Features
Chain Pitch - Inch:
1.25
Chain Size:
20B-1
Pitch Diameter - Inch:
19.907
Inch - Metric:
Metric
Material:
Steel
Outside Diameter - Inch:
20.619
Other Features:
Simplex Type
Global Part Number GPN:
570972
Pitch Diameter - Millimeter:
505.65
Mounting Method:
Rough Bore
Features
Chain Pitch - Inch:
1.25
Chain Size:
20B-1
Pitch Diameter - Inch:
19.51
Inch - Metric:
Metric
Material:
Steel
Outside Diameter - Inch:
20.22
Other Features:
Simplex Type
Global Part Number GPN:
571023
Pitch Diameter - Millimeter:
495.55
Mounting Method:
Rough Bore
Features
Chain Pitch - Inch:
1.25
Chain Size:
20B-1
Pitch Diameter - Inch:
20.305
Inch - Metric:
Metric
Material:
Steel
Outside Diameter - Inch:
21.016
Other Features:
Simplex Type
Global Part Number GPN:
570091
Pitch Diameter - Millimeter:
515.75
Mounting Method:
Rough Bore
Features
Chain Pitch - Inch:
1.25
Chain Size:
20B-1
Pitch Diameter - Inch:
20.703
Inch - Metric:
Metric
Material:
Steel
Outside Diameter - Inch:
21.415
Other Features:
Simplex Type
Global Part Number GPN:
569726
Pitch Diameter - Millimeter:
525.85
Mounting Method:
Rough Bore
20BTB57
Description
20BTB57 ROLLER CHAIN SPROCKET ; TB METRIC SNG AND DBL
Part # 20BTB57
BDI # 617112
Features
Chain Pitch - Inch:
1.25
Chain Size:
20B-1
Pitch Diameter - Inch:
22.691
Inch - Metric:
Metric
Material:
Steel
Outside Diameter - Inch:
23.406
Other Features:
Simplex Type | Taper Lock Bushing
Global Part Number GPN:
569599
Pitch Diameter - Millimeter:
576.35
Mounting Method:
Bushed