On request
MARTIN SPROCKET & GEAR
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MARTIN SPROCKET & GEAR 20B31
#20B31
On request
Stock Bore Sprocket - Metric - B Style - 20B / 1-1/4 in, B Hub, 31 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 20B31
- Metric B Style sprockets are flat sprockets with a hub extension welded on one side.
- These plain bore sprockets can easily be bored to a metric or standard size to fit your application.
- Keyways, set screws and hardened 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 |
| Pitch diameter | 313.8 mm |
| Chain / sprocket type | Metric Roller Chain |
| Maximum bore diameter | 86 mm |
| Hub outside diameter | 127 mm |
| Tooth width | 19 mm |
| Hub style | B |
| Tooth thickness | 19 mm |
| Number of teeth | 31 |
| Chain roller diameter | 19.05 mm |
| Bore type | Reboreable |
| Chain roller width | 19.56 mm |
| Bore diameter | 32 mm |
| Storage dimension height | 2.01 mm |
| Number of strands across | 1 |
| Storage dimension length | 13.17 mm |
| Material | Steel |
| Storage dimension width | 13.17 mm |
| Length through bore | 51 mm |
| Surface treatment | Protective Coating |
| Hardened teeth | Non-Hardened Teeth |
| Manufacturer upc number | 697950404103 |
| Outside diameter | 334.5 mm |
| Caliper diameter | 294.4 mm |
| Weight | 29.979 lbs |
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