Y axis pulley wheel for Co2 laser machine (back)
The pulley is designed for belt driven CO2 laser machine on the Y axis. It's a single shaft with a 21 pitch wheel installed. 
Specification
- Shaft length: 35
 - Shaft Diameter: 12mm
 - Ball bearing: Yes
 - Materials: Aluminum & stainless steel shaft
 - Gear pulley width: 18.35mm
 - Gear Length: 18.8mm
 - Teeth number of pulley: 20