Find a Service Center
Martin
40BS12HT 7/8
No. 40 - 1/2" Pitch - Single - Saber Tooth Hardened - Bored to Size Sprocket
Item #100806938
- 40 Chain Number
- 1 Strand
- 12 Teeth
- 2.166 in Outside Diameter
- 7/8 in Finished Bore
features
- Conforms to ANSI B29.1-1975 standards
| Bore Range [Max] | 1 in |
| Bore Type | Bored to Size |
| No. of Strands Across | 1 |
| Outside Dia. [Min] | 2.1660 in |
| Single Strand Tooth Thickness | 0.284 in |
| Pitch Diameter | 1.932 in |
| Pitch Diameter [Min] | 1.932 in |
| Width Across Teeth | 0.284 in |
| Set Screw Size | 1/4-20 x 1/4 |
| Chain No. | 40 |
| Bore Range [Min] | 7/8 in |
| Length Through Bore | 7/8 in |
| Caliper Diameter | 1.6199 in |
| No. of Screws | 2 |
| Hub Dia. | 1.593 in |
| Hub Projection | 0.59 in |
| Sprocket Style | B |
| Inch/Metric | Inch |
| No. of Teeth | 12 |
| Martin No. | 40BS12HT |
| Hub Recess Depth | 0.0775 in |
| Hub Length Thru | 0.591 in |
| Keyway Size | 3/16 x 3/32 |
| Hardened Teeth | With Hardened Teeth |
| Material | Steel |
| Outside Dia. | 2.1660 in |
| Hub Recess Width | 3/16 in |
| Hub OD @ Recess | 1.438 in |
| Chain Pitch | 1/2 in |
| Finished Bore | 7/8 in |
| Keyway | w/Keyway & Set Screw |
| Weight | 0.32 LB |
| EAN or UPC | 697950159676 |
