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- 40 Chain Number
- 1 Strand
- 12 Teeth
- Without Hardened Teeth
- B Sprocket Style
description
- Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.
features
- Tolerances meet or exceed ANSI standards
- Manufactured of high carbon steel
- Precise machining and processes ensure consistent finish and high quality
- Bores are concentric to pitch line, minimizing run out
| No. of Teeth | 12 |
| Construction | Solid |
| Keyway | No Keyway or Setscrew |
| Hub Recess Width | 0.19 in |
| Length Through Bore | 7/8 in |
| Pitch Diameter | 1.930 in |
| Bore Range [Max] | 1 in |
| Bore Style | Minimum Bore |
| Bore Range [Min] | 1/2 in |
| Pitch Diameter [Min] | 1.930 in |
| Inch/Metric | Inch |
| Material | Steel |
| Hub Recess Depth | 0.13 in |
| Hardened Teeth | Without Hardened Teeth |
| Chain No. | 40 |
| Outside Dia. [Min] | 2.1700 in |
| Hub Dia. | 1.59 in |
| Sprocket Style | B |
| Width Across Teeth | 0.28 in |
| Outside Dia. | 2.1700 in |
| Hub OD @ Recess | 1.32 in |
| Caliper Diameter | 1.62 in |
| Bore Type | Reborable |
| Martin No. | 40B12 |
| Hub Length Thru | 0.591 in |
| Series | B |
| No. of Strands Across | 1 |
| Chain Pitch | 1/2 in |
| Weight | 0.45 LB |
| EAN or UPC | 697950003658 |
