PGR COMPACT SERIES
ARTUS PGR Compact Series planetary gear reducers combine compact dimensions, multi-stage reduction and higher torque capacity for robotic joints, precision actuators and automation systems.
AVAILABLE IN MULTIPLE MODELS
PGR COMPACT SERIES
Compact planetary gearboxes and gear reducers designed for robotic actuators, robotics and precision motion applications.
| Model | Frame Size | Stages | Reduction Ratios | Rated Torque | Input Speed |
|---|---|---|---|---|---|
| PGR-20 | 20 mm | 1–4 | 4–1296 | 6–13 kgf·cm | ≤ 8000 rpm |
| PGR-22 | 22 mm | 1–4 | 3.5–509.1 | 8–25 kgf·cm | ≤ 8000 rpm |
| PGR-24 | 24 mm | 1–4 | 3.83–759.7 | 10–30 kgf·cm | ≤ 8000 rpm |
| PGR-28 | 28 mm | 1–4 | 3.83–759.7 | 20–50 kgf·cm | ≤ 8000 rpm |
Compare gear stages, reduction ratios, dimensions and performance specifications for ARTUS PGR Compact Series planetary gear reducers.
| Parameter | Unit | 1 Stage | 2 Stage | 3 Stage | 4 Stage |
|---|---|---|---|---|---|
| Reduction Ratio | :1 | 4 / 4.75 / 6 | 16 / 19 / 22.6 / 24 / 28.5 / 36 | 64 / 76 / 90.2 / 96 / 107.2 / 114 / 135.4 / 144 / 171 / 216 | 256 / 304 / 361 / 384 / 428.7 / 456 / 509.1 / 541.5 / 576 / 643 / 684 / 812.2 / 864 / 1026 / 1296 |
| Gearbox Length L | mm | 20.9 | 24.9 | 29.7 | 35.5 |
| Rated Permissible Torque | kgf·cm | 6 | 7 | 10 | 13 |
| Instantaneous Permissible Torque | kgf·cm | 12 | 14 | 20 | 26 |
| Efficiency | % | 90% | 80% | 73% | 66% |
| Housing Material | — | Steel | Steel | Steel | Steel |
| Gear Material | — | Steel | Steel | Steel | Steel |
| Output Shaft Bearing | — | Ball Bearings | Ball Bearings | Ball Bearings | Ball Bearings |
| Radial Load | kgf | ≤ 1.6 | ≤ 1.6 | ≤ 1.6 | ≤ 1.6 |
| Axial Load | kgf | ≤ 0.5 | ≤ 0.5 | ≤ 0.5 | ≤ 0.5 |
| Radial Clearance | mm | ≤ 0.04 | ≤ 0.04 | ≤ 0.04 | ≤ 0.04 |
| Axial Clearance | mm | ≤ 0.2 | ≤ 0.2 | ≤ 0.2 | ≤ 0.2 |
| Backlash — No Load | ° | ≤ 1.5 | ≤ 1.5 | ≤ 1.5 | ≤ 1.5 |
| Max. Continuous Input Speed | rpm | ≤ 8000 | ≤ 8000 | ≤ 8000 | ≤ 8000 |
| Operating Temperature | °C | −40 to 120 | −40 to 120 | −40 to 120 | −40 to 120 |
| Parameter | Unit | 1 Stage | 2 Stage | 3 Stage | 4 Stage |
|---|---|---|---|---|---|
| Reduction Ratio | :1 | 3.5 / 4 / 4.75 | 12.25 / 14 / 16 / 16.6 / 19 / 22.6 | 42.9 / 49 / 56 / 58.2 / 64 / 66.5 / 76 / 79 / 90.25 / 107.2 | 150.1 / 171.5 / 196 / 203.7 / 224 / 232.7 / 256 / 266 / 276.4 / 304 / 315.9 / 361 / 375.1 / 428.7 / 509.1 |
| Gearbox Length L | mm | 22.6 | 27.9 | 33.2 | 38.5 |
| Rated Permissible Torque | kgf·cm | 8.0 | 10.0 | 15.0 | 25.0 |
| Instantaneous Permissible Torque | kgf·cm | 16.0 | 20.0 | 30.0 | 50.0 |
| Efficiency | % | 90% | 80% | 73% | 66% |
| Housing Material | — | Steel | Steel | Steel | Steel |
| Gear Material | — | Steel | Steel | Steel | Steel |
| Output Shaft Bearing | — | Ball Bearings | Ball Bearings | Ball Bearings | Ball Bearings |
| Radial Load | kgf | ≤ 1.6 | ≤ 1.6 | ≤ 1.6 | ≤ 1.6 |
| Axial Load | kgf | ≤ 0.5 | ≤ 0.5 | ≤ 0.5 | ≤ 0.5 |
| Radial Clearance | mm | ≤ 0.04 | ≤ 0.04 | ≤ 0.04 | ≤ 0.04 |
| Axial Clearance | mm | ≤ 0.2 | ≤ 0.2 | ≤ 0.2 | ≤ 0.2 |
| Backlash — No Load | ° | ≤ 1.5 | ≤ 1.5 | ≤ 1.5 | ≤ 1.5 |
| Max. Continuous Input Speed | rpm | ≤ 8000 | ≤ 8000 | ≤ 8000 | ≤ 8000 |
| Operating Temperature | °C | −40 to 120 | −40 to 120 | −40 to 120 | −40 to 120 |
| Parameter | Unit | 1 Stage | 2 Stage | 3 Stage | 4 Stage |
|---|---|---|---|---|---|
| Reduction Ratio | :1 | 3.83 / 4.4 / 5.25 | 14.7 / 16.8 / 19.4 / 20.1 / 23 / 27.7 | 56.2 / 64.5 / 74.1 / 77 / 85.2 / 88.5 / 101.6 / 105.6 / 121.3 / 144.7 | 215.2 / 247.2 / 284 / 294.9 / 326.2 / 338.8 / 374.8 / 389.3 / 404.3 / 447.2 / 464.5 / 533.6 / 554.2 / 636.7 / 759.7 |
| Gearbox Length L | mm | 24.6 | 30.4 | 36.2 | 42.0 |
| Rated Permissible Torque | kgf·cm | 10.0 | 15.0 | 20.0 | 30.0 |
| Instantaneous Permissible Torque | kgf·cm | 20.0 | 30.0 | 40.0 | 60.0 |
| Efficiency | % | 90% | 80% | 73% | 66% |
| Housing Material | — | Steel | Steel | Steel | Steel |
| Gear Material | — | Steel | Steel | Steel | Steel |
| Output Shaft Bearing | — | Ball Bearings | Ball Bearings | Ball Bearings | Ball Bearings |
| Radial Load | kgf | ≤ 3.0 | ≤ 3.0 | ≤ 3.0 | ≤ 3.0 |
| Axial Load | kgf | ≤ 1.0 | ≤ 1.0 | ≤ 1.0 | ≤ 1.0 |
| Radial Clearance | mm | ≤ 0.04 | ≤ 0.04 | ≤ 0.04 | ≤ 0.04 |
| Axial Clearance | mm | ≤ 0.3 | ≤ 0.3 | ≤ 0.3 | ≤ 0.3 |
| Backlash — No Load | ° | ≤ 1.2 | ≤ 1.2 | ≤ 1.2 | ≤ 1.2 |
| Max. Continuous Input Speed | rpm | ≤ 8000 | ≤ 8000 | ≤ 8000 | ≤ 8000 |
| Operating Temperature | °C | −40 to 120 | −40 to 120 | −40 to 120 | −40 to 120 |
| Parameter | Unit | 1 Stage | 2 Stage | 3 Stage | 4 Stage |
|---|---|---|---|---|---|
| Reduction Ratio | :1 | 3.83 / 4.4 / 5.25 | 14.7 / 16.8 / 19.4 / 20.1 / 23 / 27.7 | 56.2 / 64.5 / 74.1 / 77 / 85.2 / 88.5 / 101.6 / 105.6 / 121.3 / 144.7 | 215.2 / 247.2 / 284 / 294.9 / 326.2 / 338.8 / 374.8 / 389.3 / 404.3 / 447.2 / 464.5 / 533.6 / 554.2 / 636.7 / 759.7 |
| Gearbox Length L | mm | 25.6 | 31.9 | 38.2 | 44.5 |
| Rated Permissible Torque | kgf·cm | 20.0 | 25.0 | 35.0 | 50.0 |
| Instantaneous Permissible Torque | kgf·cm | 40.0 | 50.0 | 70.0 | 100.0 |
| Efficiency | % | 90% | 80% | 73% | 66% |
| Housing Material | — | Steel | Steel | Steel | Steel |
| Gear Material | — | Steel | Steel | Steel | Steel |
| Output Shaft Bearing | — | Ball Bearings | Ball Bearings | Ball Bearings | Ball Bearings |
| Radial Load | kgf | ≤ 6.0 | ≤ 6.0 | ≤ 6.0 | ≤ 6.0 |
| Axial Load | kgf | ≤ 3.0 | ≤ 3.0 | ≤ 3.0 | ≤ 3.0 |
| Radial Clearance | mm | ≤ 0.04 | ≤ 0.04 | ≤ 0.04 | ≤ 0.04 |
| Axial Clearance | mm | ≤ 0.3 | ≤ 0.3 | ≤ 0.3 | ≤ 0.3 |
| Backlash — No Load | ° | ≤ 1.2 | ≤ 1.2 | ≤ 1.2 | ≤ 1.2 |
| Max. Continuous Input Speed | rpm | ≤ 8000 | ≤ 8000 | ≤ 8000 | ≤ 8000 |
| Operating Temperature | °C | −40 to 120 | −40 to 120 | −40 to 120 | −40 to 120 |
Share your motor size, torque, speed, reduction ratio and installation requirements with our engineering team.
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