The worm gear unit is versatile in use and features a maintenance-free design. It has a center distance of 20 mm and is available in a gear ratio of 1:1. The housing is made of zinc and effectively protects against grease leakage as well as dust exposure. The worm gear system rotates counterclockwise, while the direction of rotation on the shaft can be flexibly selected.
Special Features
- Center distance: 20 mm
- Maintenance-free grease lubrication
- Housing: zinc with optimized material utilization
- Gear ratio of 1:1
- Backlash at the output shaft: 1° ± 0.5° (for 1:1 ratio: 2° ± 0.5°)
- Duty cycle: 20% in a 5-minute cycle (1 minute on, 4 minutes off)
- Service life of 1,000 hours under:
- Full-load operation
- Input speed of 500 rpm
- Duty cycle of 20% at 5 minutes
- Ambient temperature of 20 °C
Technical Specifications
- Version with keyway: Permissible forces on output side FA= 500 N at FR= 0 N and FR= 500 N at FA= 0 N
- The position of the keys is not aligned in standard variants D.
| Order No. | Gear Ratio i | Static self-locking | Input speed range n in min-1 | Max. output torque M in Nm |
Max. input torque M in Nm
| Input side radial force 1) FR in N |
Input side axial force 2) FA in N
| Efficiency in % |
| 2020.00-XXPR01* | 1:1 | no |
100/500/1000 | 1.5/1/0.65 |
2.1/1.4/0.9
| 250 | 250 | 73 |