
- 8 Diametral Pitch
- 20 Teeth
- 14.5 ° Pressure Angle
- 2 1/2" Pitch Diameter
- 7/8" Nominal Bore
description
- All Boston Helicals are cut to the Transverse Diametral Pitch System, resulting in a higher normal Diametral Pitch System number.
features
- Smoother operating characteristics
- Increased contact ratio
- Greater load carrying capacity
- Improved tooth strength
- Parallel and 90° nonintersecting shaft applications
Keyway | With Keyway, w/o Setscrew |
Pressure Angle | 14.5 ° |
Length Through Bore | 1 in |
Pitch Diameter | 2.5 in |
Hardened Teeth | With Hardened Teeth |
Diametral Pitch | 8 |
Material | Steel-Teeth Hardened |
Right / Left Hand | Left Hand |
Keyway Size | 3/16 x 3/32 |
Bore Size | 0.875 in |
No. of Teeth | 20 |
Outside Dia. | 2.68 in |
Weight | 1.101 LB |
EAN or UPC | 781711180808 |
