| Rated current A/Phase  | 
Part number | Holding torque N?m (kgf?cm)  | 
Resistance ?/Phase  | 
 Rotor inertia 
10-7kg??  | 
Motor length L(mm)  | 
Mass ?  | 
|
| Single shaft | Double shaft | ||||||
| 1.4A | 21K-M596 | 21K-M596-W | 2.1(21) | 1.76 | 900 | 64.5 | 500 | 
| 2.8A | 21K-G569 | 21K-G596-W | 2.1(21) | 0.57 | 900 | 64.5 | 1200 | 
| 1.4A | 41K-M599 | 41K-M599-W | 4.1(41) | 2.73 | 2000 | 96.5 | 700 | 
| 2.8A | 41K-G599 | 41K-G599-W | 4.1(41) | 0.67 | 2000 | 96.5 | 1200 | 
| 2.8A | 63K-G599 | 63K-G5913-W | 6.3(63) | 0.85 | 3000 | 126.5 | 1200 |