On request
MARTIN SPROCKET & GEAR
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MARTIN SPROCKET & GEAR 40B21
#40B21
On request
Solid B Sprocket - Bored to Size - 40 / 1/2 in, B Hub, 21 Teeth, 0.6250 in 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 40B21
- B Style sprockets are flat sprockets with a hub extension 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 harden teeth are quick alterations that can be made.
- Tolerances meet or exceed ANSI standards
- Manufactured of high carbon steel
Specifications
| Brand | MARTIN SPROCKET & GEAR |
| Category | STOCK BORE SPROCKETS |
| Chain number & pitch | 40 / 1/2 in |
| Caliper diameter | 3.0334 in |
| Hub style | B |
| Pitch diameter | 3.3548 in |
| Number of teeth | 21 |
| Maximum bore diameter | 1.875 in |
| Bore type | Bored to Size |
| Tooth width | 0.284 in |
| Bore diameter | 0.625 in |
| Storage dimension height | 1.0625 in |
| Number of strands across | 1 |
| Storage dimension length | 4.3125 in |
| Material | Steel |
| Storage dimension width | 4.3125 in |
| Number of hubs | 1 |
| Standards met | ANSI |
| Length through bore | 1 in |
| Surface treatment | Protective Coating |
| Hardened teeth | Non-Hardened Teeth |
| Manufacturer upc number | 697950005096 |
| Pitch type | Single |
| Hub diameter | 2.75 in |
| Weight | 1.78 lbs |
| Outside diameter | 3.617 in |
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