Alternate Products
Boston Gear
NA20B-1/2
Product details
- Spur Gear
- Type B
- 14.5° Pressure Angle
- 20 Teeth
- 20 Diametral Pitch
description
- Martin Stock Spur Gears are available in five different styles. Contact your local Applied® service center for other styles. Steel gears are furnished in plain style and plain style with hub. Cast gears are furnished plain with hub, web with lightening holes and with spoke. Cast gears are cast with larger hub to provide extra strength and to allow for larger bores.
features
- More cost effective, quieter running and metallic options
- Four ball wear test 40 kg: 63 mm
- Reliability from steel, cast iron and brass
- Parallel shaft applications
- Base oil viscosity: 500 SUS @ 100 °F
Specifications
| Hub Dia. | 0.859 in |
| AGMA Quality | 6 |
| Hardened Teeth | Without Hardened Teeth |
| Material | Steel |
| Bore Dia. [Min] | 1/2 in |
| Pressure Angle | 14.5 ° |
| Bore Dia. [Max] | 1/2 in |
| Diametral Pitch | 20 |
| Torque at 1200 RPM | 17.332 lb/in |
| Torque at 900 RPM | 18.908 lb/in |
| Torque at 200 RPM | 22.059 lb/in |
| Origin | Finished Bore |
| Type | B |
| Set Screw Size | N/A |
| Pitch Diameter [Min] | 1 in |
| Bore Type | Reborable |
| Outside Dia. | 1.1000 in |
| Set Screw | Yes |
| Length Through Bore | 3/4 in |
| Hub Projection | 3/8 in |
| Torque at 600 RPM | 19.958 lb/in |
| Torque at 1800 RPM | 16.106 lb/in |
| Bore Size | 1/2 in |
| Torque at 300 RPM | 21.008 lb/in |
| Keyway | w/o Keyway |
| No. of Teeth | 20 |
| Pitch Diameter | 1 in |
| Outside Dia. [Min] | 1.1000 in |
| Weight | 0.1 LB |
| EAN or UPC | 697950439617 |