820BS21 1
Description
820BS21 1 CONVEYOR CHAIN SPROCKET ; 800 SERIES BORE TO SIZE
Part # 820BS21 1
BDI # 625525
Features
Bore Profile:
Round
Pitch Diameter - Inch:
5.089
Pitch - Millimeter:
38.1
Inch - Metric:
Inch
Material:
Cast Iron
Outside Diameter - Inch:
5.12
Other Features:
Arm Body
Pitch Diameter - Millimeter:
129.261
Modular - Flat Top Size:
815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB
Mounting Method:
Finished Bore
881C21 MPB 3/4
Description
881C21 MPB 3/4 CONVEYOR CHAIN SPROCKET ; ROUGH; 3/4" ID X 130.5MM OD X 1-1/4" WD
Part # 881C21
BDI # 625635
Features
Bore Profile:
Round
Pitch Diameter - Inch:
5.089
Pitch - Millimeter:
38.1
Inch - Metric:
Inch
Material:
Cast Iron
Outside Diameter - Inch:
5.12
Outside Diameter - Millimeter:
130.048
Pitch Diameter - Millimeter:
129.261
Modular - Flat Top Size:
881
Mounting Method:
Rough Bore
821A21
Description
821A21 CONVEYOR CHAIN SPROCKET ; 800 SERIES A TYPE HUB
Part # 821A21
BDI # 625535
Features
Bore Profile:
Round
Pitch Diameter - Inch:
5.089
Pitch - Millimeter:
38.1
Inch - Metric:
Inch
Material:
Cast Iron
Outside Diameter - Inch:
5.12
Outside Diameter - Millimeter:
130.048
Pitch Diameter - Millimeter:
129.261
Modular - Flat Top Size:
821 | 815 H
Mounting Method:
Rough Bore
820A21B
Description
820A21B CONVEYOR CHAIN SPROCKET ; 800 SERIES A TYPE HUB
Part # 820A21B
BDI # 625514
Features
Bore Profile:
Round
Pitch Diameter - Inch:
5.089
Pitch - Millimeter:
38.1
Inch - Metric:
Inch
Material:
Cast Iron
Outside Diameter - Inch:
5.12
Other Features:
Block Body
Pitch Diameter - Millimeter:
129.261
Modular - Flat Top Size:
815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB
Mounting Method:
Rough Bore
820A21
Description
820A21 CONVEYOR CHAIN SPROCKET ; 800 SERIES A TYPE HUB
Part # 820A21
BDI # 625513
Features
Bore Profile:
Round
Pitch Diameter - Inch:
5.089
Pitch - Millimeter:
38.1
Inch - Metric:
Inch
Material:
Cast Iron
Outside Diameter - Inch:
5.12
Other Features:
Arm Body
Pitch Diameter - Millimeter:
129.261
Modular - Flat Top Size:
815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB
Mounting Method:
Rough Bore






