
- 40 Chain Number
- 42 Teeth
- 2 Strands
- 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 |
Hardened Teeth | Without Hardened Teeth |
No. of Teeth | 42 |
Hub Length | 0.46 in |
Caliper Diameter | 6.38 in |
Single Strand Tooth Thickness | 0.275 in |
Outside Dia. | 6.972 in |
Inch/Metric | Inch |
Width Across Teeth | 0.841 in |
Hub Dia. | 4 1/4 in |
Overall Length Less Threads | N/A |
Length Through Bore | 1.75 in |
Outside Dia. [Min] | 6.972 in |
Sprocket Style | C |
No. of Strands Across | 2 |
Bushing Bore [Max] | 2.5 in |
Tooth Width | 0.275 in |
Chain Pitch | 0.5 in |
Bushing Series | 2517 |
Martin No. | 40BTB42 |
Pitch Diameter | 6.69 in |
Overall Length | 1.75 in |
Chain No. | 40 |
Material | Steel |
Bushing Type | Taperlock |
Bushing Bore [Min] | 0.5 in |
Bore Type | Bushed |
Hub Projection | 0.46 in |
Weight | 7.75 LB |
EAN or UPC | 697950031002 |
