MARTIN SPROCKET & GEAR
MARTIN SPROCKET & GEAR 820BS21 1 conveyor chain sprocket
Model820BS21 1
Description
820BS21-1 conveyor chain sprocket; 800 series, bore-to-size
Detailed description
1" bore; 815, 820, 831, 4705, 4706, 4707, 5705, 5706, or SSB series; 1-1/2" pitch; 21 teeth; 5.12" outside diameter; 5.089" pitch diameter; B-hub, one side; finished bore; round; straight-running or back-flexing; cast iron
Specifications
| Brand | MARTIN SPROCKET & GEAR |
|---|---|
| Model | 820BS21 1 |
| Modular - Flat Top Size | 815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB |
| Number of Teeth | 21 |
| Hub Type | B-Hub One Side |
| Mounting Method | Finished Bore |
| Bore Profile | Round |
| Modular - Flat Top Type | Straight Running | Back Flexing |
| Material | Cast Iron |
| Grooved Yes or No | Yes |
| Split Yes or No | No |
| Keyway Yes/No | Yes |
| Inch - Metric | Inch |
| Other Features | Arm Body |
| Category - BDI | Flat Top Sprockets |
| Product Group - BDI | 5002 |
| Harmonized Tariff Code | 8483.90.10.50 |
| Manufacturer Internal Number | 820BS21 1 |
| Weight / LBS | 5.82 |
| Outside Diameter | 5.12 Inch | 130.048 Millimeter |
| Pitch | 1.5 Inch | 38.1 Millimeter |
| Bore | 1 Inch | 25.4 Millimeter |
| Pitch Diameter | 5.089 Inch | 129.261 Millimeter |
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