On request
MARTIN SPROCKET & GEAR
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MARTIN SPROCKET & GEAR 20C57
#20C57
On request
Stock Bore Sprocket - Metric - C Style - 20B / 1-1/4 in, C Hub, 57 Teeth, 40 mm Stock Bore, Steel Material
Price on request — a consultant will confirm lead time and terms.
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MARTIN SPROCKET & GEAR — MARTIN SPROCKET & GEAR 20C57
- C Style sprockets are flat sprockets with a hub extension on either side.
- These plain bore sprockets can easily be bored to a metric or standard size to fit your application.
- Keyways, set screws and harden teeth are quick alterations that can be made.
- Tolerances meet or exceed ISO standards
- Manufactured of high carbon steel
Specifications
| Brand | MARTIN SPROCKET & GEAR |
| Category | STOCK BORE SPROCKETS |
| Chain number & pitch | 20B / 1-1/4 in |
| Caliper diameter | 557.1 mm |
| Chain / sprocket type | Metric Roller Chain |
| Pitch diameter | 576.4 mm |
| Hub outside diameter | 152 mm |
| Maximum bore diameter | 106 mm |
| Hub style | C |
| Tooth width | 19 mm |
| Number of teeth | 57 |
| Tooth thickness | 19 mm |
| Bore type | Reboreable |
| Chain roller diameter | 19.05 mm |
| Bore diameter | 40 mm |
| Chain roller width | 19.56 mm |
| Number of strands across | 1 |
| Storage dimension height | 3.23 mm |
| Material | Steel |
| Storage dimension length | 23.5 mm |
| Number of hubs | 2 |
| Storage dimension width | 23.5 mm |
| Bore range | 40 to 102 mm |
| Surface treatment | Protective Coating |
| Length through bore | 82 mm |
| Manufacturer upc number | 697950404622 |
| Hardened teeth | Non-Hardened Teeth |
| Outside diameter | 597 mm |
| Weight | 99.003 lbs |
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