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25 Items found

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Current selections:
Brand: MARTIN SPROCKET & GR
Number of Teeth: 21
categories
hub type
modular
mounting method
mm in bore
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820A21B

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820A21B

Description
820A21B ROLLER CHAIN SPROCKET ; 800 SERIES A TYPE HUB

MARTIN SPROCKET & GR

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

Price Inventory : Available to order
QTY
820A21

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820A21

Description
820A21 ROLLER CHAIN SPROCKET ; 800 SERIES A TYPE HUB

MARTIN SPROCKET & GR

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

Price Inventory : Available to order
QTY
881C21 MPB 3/4

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881C21 MPB 3/4

Description
881C21 ROLLER CHAIN SPROCKET ; ROUGH; 3/4" ID X 130.5MM OD X 1-1/4" WD

MARTIN SPROCKET & GR

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

Price Inventory : Available to order
QTY
815BS21 1

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815BS21 1

Description
815BS21 1 CONVEYING CHAIN SPROCKET ; 800 SERIES BORE TO SIZE

MARTIN SPROCKET & GR

Part # 815BS21 1

BDI # 625468

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: 60 | 66 | 810 | 812 | 815 | 881
Mounting Method: Finished Bore

Price Inventory : Available to order
QTY
QRS815A21

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QRS815A21

Description
QRS815A21 CONVEYING CHAIN SPROCKET ; QRS SPLIT-STEEL

MARTIN SPROCKET & GR

Part # QRS815A21

BDI # 610575

Features

Bore Profile: Round
Pitch Diameter - Inch: 5.089
Pitch - Millimeter: 38.1
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 5.12
Other Features: 5/16-18 Standard Set Screw at 90 Deg
Pitch Diameter - Millimeter: 129.261
Modular - Flat Top Size: 60 | 66 | 810 | 812 | 815 | 881
Mounting Method: Finished Bore

Price Inventory : Available to order
QTY

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