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- 80 Chain Number
- 2 Strands
- 21 Teeth
- Without Hardened Teeth
- A Sprocket Style
description
- Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.
features
- To be run with (2) separate single row chains
- Manufactured of high carbon steel
- Precise machining and processes ensure consistent finish and high quality
- Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
- Bores are concentric to pitch line, minimizing run out
| Length Through Bore | 2.19 in |
| No. of Teeth | 21 |
| Hub Dia. | 5.593 in |
| Bore Range [Max] | 3.75 in |
| Bore Style | Minimum Bore |
| Pitch Diameter | 6.71 in |
| No. of Strands Across | 2 |
| Bore Range [Min] | 1 in |
| Single Strand Tooth Thickness | 0.575 in |
| Inch/Metric | Inch |
| Sprocket Style | A-Double Single |
| Outside Dia. [Min] | 7.24 in |
| Chain Pitch | 1 in |
| Bore Type | Reborable |
| Hub Projection | N/A |
| Pitch Diameter [Min] | 6.71 in |
| Hardened Teeth | Without Hardened Teeth |
| Material | Steel |
| Width Across Teeth | 2.19 in |
| Martin No. | 80A21 |
| Caliper Diameter | 6.07 in |
| Chain No. | 80 |
| Hub Length Thru | N/A |
| Family Name | No. 80 - 1 in Pitch - Double Single - A |
| Series | A-Double Single |
| Outside Dia. | 7.24 in |
| Weight | 17.38 LB |
| EAN or UPC | 697950030074 |
