Standard Hybrid Step Motors 29SM-K NMB Technologies Corporation - Motor Group - Phone: 847-981-5190 - e-mail: motors@nmbtc.com 29SM-K Motor Size Part Number [mm] Step Angle [deg] Rated Current [A] [Ohms] Holding Torque [mNm] Resistance Mass [g] 29SM-K550-00V/99V 71 ~ 39.5 1.8 1.5 2.1 380 570 29SM-K250-00V/99V 71 ~ 43.5 1.8 1.6 2 580 660 29SM-K379-00V/99V 71 ~ 51.5 1.8 1.9 1.75 820 820 29SM-K035-00V/99V 71 ~ 55.5 1.8 2.2 1.55 900 900 29SM-K138-00V/99V 71 ~ 67.5 1.8 2.6 1.25 1,200 1,180 29SM-K711-00V/99V 71 ~ 77.5 1.8 3.1 0.95 1,550 1,390 NMB Technologies Corporation - Motor Group - Phone: 847-981-5190 - e-mail: motors@nmbtc.com