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- 40 Chain Number
- 1 Strand
- 9 Teeth
- 1.674 in Outside Diameter
- 0.5 in Finished Bore
features
- Conforms to ANSI B29.1-1975 standards
| No. of Strands Across | 1 |
| Length Through Bore | 7/8 in |
| Material | Steel |
| Sprocket Style | B |
| No. of Screws | 2 |
| Finished Bore | 1/2 in |
| Hub Dia. | 1 1/8 in |
| Hub OD @ Recess | 0.91 in |
| Hub Length Thru | 0.591 in |
| Chain Pitch | 1/2 in |
| Inch/Metric | Inch |
| Width Across Teeth | 0.284 in |
| Caliper Diameter | 1.1277 in |
| Pitch Diameter [Min] | 1.462 in |
| Set Screw Size | 1/4-20 x 1/4 |
| Bore Type | Bored to Size |
| Hardened Teeth | Without Hardened Teeth |
| Hub Recess Depth | 0.11 in |
| Chain No. | 40 |
| No. of Teeth | 9 |
| Pitch Diameter | 1.462 in |
| Outside Dia. | 1.6740 in |
| Hub Projection | 0.59 in |
| Outside Dia. [Min] | 1.6740 in |
| Martin No. | 40BS9 |
| Single Strand Tooth Thickness | 0.284 in |
| Keyway | w/2 Setscrews Only |
| Hub Recess Width | 0.19 in |
| Weight | 0.13 LB |
| EAN or UPC | 697950003511 |
