On request
MARTIN SPROCKET & GEAR
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MARTIN SPROCKET & GEAR 12B57
#12B57
On request
Stock Bore Sprocket - Metric - A Style - 12B / 3/4 in, B Hub, 57 Teeth, 32 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 12B57
- Metric A Plates are flat sprockets with no hub extension on either side.
- They can be altered for your application with bolt holes, custom bores, hardened teeth or special hubs welded to them.
- Tolerances meet or exceed ISO standards
- Manufactured of high carbon steel
- Precise machining and processes ensure consistent finish and high quality
Specifications
| Brand | MARTIN SPROCKET & GEAR |
| Category | STOCK BORE SPROCKETS |
| Chain number & pitch | 12B / 3/4 in |
| Caliper diameter | 333.6 mm |
| Chain / sprocket type | Metric Roller Chain |
| Pitch diameter | 345.8 mm |
| Hub outside diameter | 110 mm |
| Maximum bore diameter | 78 mm |
| Hub style | B |
| Tooth width | 11 mm |
| Number of teeth | 57 |
| Tooth thickness | 11 mm |
| Bore type | Reboreable |
| Chain roller diameter | 12.065 mm |
| Bore diameter | 32 mm |
| Chain roller width | 11.68 mm |
| Number of strands across | 1 |
| Storage dimension height | 1.76 mm |
| Material | Steel |
| Storage dimension length | 14.08 mm |
| Number of hubs | 1 |
| Storage dimension width | 14.08 mm |
| Bore range | 30 to 70 mm |
| Surface treatment | Protective Coating |
| Length through bore | 45 mm |
| Manufacturer upc number | 697950401096 |
| Hardened teeth | Non-Hardened Teeth |
| Outside diameter | 357.6 mm |
| Weight | 22.178 lbs |
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