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- 80 Chain Number
- 1 Strand
- 20 Teeth
- 6.914 in Outside Diameter
- 2.4375 in Finished Bore
features
- Conforms to ANSI B29.1-1975 standards
| Hub Length Thru | 0.925 in |
| Keyway Size | 5/8 x 5/16 |
| No. of Strands Across | 1 |
| Outside Dia. [Min] | 6.9140 in |
| Hub Projection | 0.92 in |
| Sprocket Style | B |
| Hub Dia. | 4 1/4 in |
| Finished Bore | 2 7/16 in |
| Width Across Teeth | 0.575 in |
| Set Screw Size | 1/2-13 x 1/2 |
| No. of Screws | 2 |
| No. of Teeth | 20 |
| Chain Pitch | 1 in |
| Hardened Teeth | Without Hardened Teeth |
| Material | Steel |
| Caliper Diameter | 5.7675 in |
| Outside Dia. | 6.9140 in |
| Length Through Bore | 1 1/2 in |
| Single Strand Tooth Thickness | 0.575 in |
| Pitch Diameter | 6.393 in |
| Bore Type | Bored to Size |
| Inch/Metric | Inch |
| Keyway | w/Keyway & Set Screw |
| Chain No. | 80 |
| Pitch Diameter [Min] | 6.393 in |
| Martin No. | 80BS20 |
| Weight | 6.34 LB |
| EAN or UPC | 697950020761 |
