On request
MARTIN SPROCKET & GEAR
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MARTIN SPROCKET & GEAR 28C57
#28C57
On request
Stock Bore Sprocket - Metric - C Style - 28B / 1-3/4 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 28C57
- 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 | 28B / 1-3/4 in |
| Caliper diameter | 778.6 mm |
| Chain / sprocket type | Metric Roller Chain |
| Pitch diameter | 806.9 mm |
| Hub outside diameter | 178 mm |
| Maximum bore diameter | 126 mm |
| Hub style | C |
| Tooth width | 29 mm |
| Number of teeth | 57 |
| Tooth thickness | 29 mm |
| Bore type | Reboreable |
| Chain roller diameter | 27.94 mm |
| Bore diameter | 40 mm |
| Chain roller width | 30.99 mm |
| Number of strands across | 1 |
| Storage dimension height | 5 mm |
| Material | Steel |
| Storage dimension length | 32.85 mm |
| Number of hubs | 2 |
| Storage dimension width | 32.85 mm |
| Bore range | 40 to 134 mm |
| Surface treatment | Protective Coating |
| Length through bore | 127 mm |
| Manufacturer upc number | 697950407067 |
| Hardened teeth | Non-Hardened Teeth |
| Outside diameter | 834.5 mm |
| Weight | 280.973 lbs |
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