On request
MARTIN SPROCKET & GEAR
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MARTIN SPROCKET & GEAR 78C21
#78C21
On request
Accu-Torch ® Engineering Chain Sprocket - Solid Hub, 21 Teeth, 1.5000 in Bore Diameter, 17.5060 in Pitch Diameter, Steel Material
Price on request — a consultant will confirm lead time and terms.
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MARTIN SPROCKET & GEAR — MARTIN SPROCKET & GEAR 78C21
- Martin Accu-Torch ® steel sprockets are available for virtually all engineering class chains in style A, B, and C.
- Also available as split with welded hub and split or solid detachable hub.
- They can also be furnished as shear pin type.
- Where possible please specify chain number, pitch diameter, number of teeth, bore and keyway size, and hub style required.
- Accu-Torch ® sprockets are not intended to replace cut tooth roller chain sprockets.
Specifications
| Brand | MARTIN SPROCKET & GEAR |
| Category | ENGINEERING CHAIN SPROCKETS |
| Sprocket type | Solid Hub |
| Hub style | C |
| Bore type | Reboreable |
| Hub outside diameter | 6.5 in |
| Bore diameter | 1.5 in |
| Length through bore | 5.375 in |
| Material | Steel |
| Maximum bore | 4.063 in |
| Chain number & pitch | 78 / 2.6090 in |
| Tooth thickness | 0.875 in |
| Pitch diameter | 17.506 in |
| Outside diameter | 18.31 in |
| Number of teeth | 21 |
| Surface treatment | Protective Coating |
| Number of strands across | 1 |
| Storage dimension length | 18.313 in |
| Chain / sprocket type | Engineered Chain |
| Storage dimension width | 18.313 in |
| Chain roller diameter | 0.875 in |
| Manufacturer upc number | 697950069265 |
| Chain roller width | 0.938 in |
| Weight | 99.66 lbs |
