Find a Service Center
- 100 Chain Number
- 1 Strand
- 21 Teeth
- 9.043 in Outside Diameter
- 2 in Finished Bore
features
- Conforms to ANSI B29.1-1975 standards
| Martin No. | 100BS21 |
| Inch/Metric | Inch |
| Pitch Diameter | 8.387 in |
| Hub Length Thru | 1.308 in |
| Outside Dia. | 9.0430 in |
| Outside Dia. [Min] | 9.0430 in |
| No. of Strands Across | 1 |
| Sprocket Style | B |
| Single Strand Tooth Thickness | 0.692 in |
| No. of Screws | 2 |
| Chain No. | 100 |
| Width Across Teeth | 0.692 in |
| Chain Pitch | 1 1/4 in |
| Pitch Diameter [Min] | 8.387 in |
| Caliper Diameter | 7.6134 in |
| Keyway | w/Keyway & Set Screw |
| Hub Projection | 1.31 in |
| Bore Type | Bored to Size |
| Hub Dia. | 4 1/2 in |
| Set Screw Size | 1/2-13 x 1/2 |
| Keyway Size | 1/2 x 1/4 |
| Hardened Teeth | Without Hardened Teeth |
| Material | Steel |
| Length Through Bore | 2 in |
| Finished Bore | 2 in |
| No. of Teeth | 21 |
| Weight | 13.68 LB |
| EAN or UPC | 697950296814 |
