ZDY series single pole parallel axis hard tooth surface cylindrical gear parameters
Technical parameters and specifications of ZDY series single pole parallel axis hard tooth surface cylindrical gear reducer：
| Parameter | ZDY Series Specification |
| Gear stages | 1 (single-stage) |
| Nominal ratio (i) | 1.25 – 6.3 |
| Standard ratios | .25, 1.4, 1.6, 1.8, 2, 2.24, 2.5, 2.8, 3.15, 3.55, 4, 4.5, 5, 5.6, 6.3 |
| Standard center distances | 80, 100, 125, 160, 200, 250, 280, 315, 355, 400, 450, 500, 560 mm |
| Input power range | Approx. 0.75 – 8,000 kW (size-dependent; published series ceiling varies by source |
| Output torque range | Approx. 200 – 280,000 N·m (size-dependent) |
| Input speed limit | ≤1,500 r/min |
| Gear peripheral speed | ≤20 m/s |