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- 40 Chain Number
- 1 Strand
- 37 Teeth
- 6.175 in Outside Diameter
- 0.75 in Finished Bore
features
- Conforms to ANSI B29.1-1975 standards
| No. of Teeth | 37 |
| No. of Screws | 2 |
| Martin No. | 40BS37 |
| Chain No. | 40 |
| Bore Type | Bored to Size |
| Inch/Metric | Inch |
| No. of Strands Across | 1 |
| Width Across Teeth | 0.284 in |
| Hub Dia. | 3 1/4 in |
| Outside Dia. [Min] | 6.1750 in |
| Outside Dia. | 6.1750 in |
| Hub Length Thru | 0.716 in |
| Finished Bore | 3/4 in |
| Pitch Diameter | 5.896 in |
| Caliper Diameter | 5.5785 in |
| Pitch Diameter [Min] | 5.896 in |
| Material | Steel |
| Length Through Bore | 1 in |
| Chain Pitch | 1/2 in |
| Single Strand Tooth Thickness | 0.284 in |
| Keyway | w/Keyway & Set Screw |
| Sprocket Style | B |
| Hub Projection | 0.72 in |
| Hardened Teeth | Without Hardened Teeth |
| Set Screw Size | 1/4-20 x 1/4 |
| Keyway Size | 3/16 x 3/32 |
| Weight | 3.62 LB |
| EAN or UPC | 697950301020 |
