- 80 Chain Number
 - 1 Strand
 - 60 Teeth
 - 19.681 in Outside Diameter
 - 2.9375 in Finished Bore
 
features
- Conforms to ANSI B29.1-1975 standards
 
| Caliper Diameter | 18.4823 in | 
| Finished Bore | 2 15/16 in | 
| No. of Screws | 2 | 
| Chain No. | 80 | 
| No. of Teeth | 60 | 
| Sprocket Style | B | 
| Pitch Diameter | 19.107 in | 
| Outside Dia. | 19.6810 in | 
| Material | Steel | 
| Keyway Size | 3/4 x 3/8 | 
| Hub Length Thru | 1.425 in | 
| Inch/Metric | Inch | 
| Hardened Teeth | Without Hardened Teeth | 
| Martin No. | 80BS60 | 
| Outside Dia. [Min] | 19.6810 in | 
| Bore Type | Bored to Size | 
| Hub Projection | 1.42 in | 
| Hub Dia. | 5 1/4 in | 
| Keyway | w/Keyway & Set Screw | 
| Width Across Teeth | 0.575 in | 
| Chain Pitch | 1 in | 
| Set Screw Size | 5/8-11 X 5/8 | 
| Length Through Bore | 2 in | 
| Single Strand Tooth Thickness | 0.575 in | 
| Pitch Diameter [Min] | 19.107 in | 
| No. of Strands Across | 1 | 
| Weight | 49.1 LB | 
| EAN or UPC | 697950315041 | 
        
