Find a Service Center
- 140 Chain Number
- 70 Teeth
- 1 Strand
- Taper Lock Bushing
- Without Hardened Teeth
features
- Tolerances meet or exceed ANSI standards
- Manufactured of high carbon steel
- Precise machining and processes ensure consistent finish and high quality
- Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
- Bores are concentric to pitch line, minimizing run out
- Interchangeable with other manufacturers’ Taper bushings
| Type | C |
| Bushing Bore [Min] | 1.4375 in |
| Bushing Type | Taperlock |
| Pitch Diameter | 39.01 in |
| Hub Dia. | 7 3/4 in |
| Overall Length Less Threads | N/A |
| No. of Teeth | 70 |
| Bore Type | Bushed |
| Bushing Bore [Max] | 4 in |
| Chain Pitch | 1.75 in |
| Outside Dia. | 40.017 in |
| Caliper Diameter | 38.01 in |
| No. of Strands Across | 1 |
| Chain No. | 140 |
| Hub Projection | 1 in |
| Hub Length | 1 in |
| Material | Steel |
| Length Through Bore | 4 in |
| Width Across Teeth | 0.924 in |
| Tooth Width | 0.924 in |
| Bushing Series | 4040 |
| Single Strand Tooth Thickness | 0.924 in |
| Hardened Teeth | Without Hardened Teeth |
| Outside Dia. [Min] | 40.017 in |
| Sprocket Style | C |
| Martin No. | 140BTB70 |
| Inch/Metric | Inch |
| Overall Length | 4 in |
| Weight | 241.0 LB |
| EAN or UPC | 697950033082 |
