Complaint
| Metal | |
| Bearing at Output | Ball or Sleeve |
| Permissible overhung Load | ≤2.5kg |
| Permissible Thrust Load | ≤0.5kg |
| Radial Play of Shaft (near to Flange) | ≤0.05mm |
| Axial Play of Shaft | ≤0.3mm |
| Backlash at No-load | ≤1° |
| Model No. | Step Angle | Motor Length | Current /Phase | Resistance /Phase | Inductance /Phase | Holding Torque | # of Leads | Rotor Inertia | Motor Weight |
| ( °) | (L)mm | A | Ω | mH | g.cm | No. | g.cm | Kg | |
| JK28HS32-0674 | 1.8 | 32 | 0.67 | 5.6 | 3.4 | 600 | 4 | 9 | 0.11 |
| JK28HS32-0956 | 1.8 | 32 | 0.95 | 2.8 | 0.8 | 430 | 6 | 9 | 0.11 |
| JK28HS45-0956 | 1.8 | 45 | 0.95 | 3.4 | 1.2 | 750 | 6 | 12 | 0.14 |
| JK28HS45-0674 | 1.8 | 45 | 0.67 | 6.8 | 4.9 | 950 | 4 | 12 | 0.14 |
| JK28HS51-0956 | 1.8 | 51 | 0.95 | 4.6 | 1.8 | 900 | 6 | 18 | 0.2 |
| JK28HS51-0674 | 1.8 | 51 | 0.67 | 9.2 | 7.2 | 1200 | 4 | 18 | 0.2 |
| Reduction ratio | 4 | 5 | 16 | 19 | 22 | 64 | 76 | 90 | 107 |
| Number of gear trains | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 |
| Length of gearbox mm | 21 | 21 | 26 | 26 | 26 | 31 | 31 | 31 | 31 |
| Max.rated torque kg.cm | 5 | 5 | 7 | 7 | 7 | 9 | 9 | 9 | 9 |
| Short time permissible torque kg.cm | 10 | 10 | 15 | 15 | 15 | 20 | 20 | 20 | 20 |
