... .self locking 3.fast stop 4.good cooling effect NMRV series worm gear with output shaft:1) High quality aluminum alloy ... linking, high efficiency 5) Power: 0.06 - 15kW 6) Output torque: 2.7 - 1,760N.m 7) Transmission rate: 5 - 100 ... :NMR025,NMRV30,NMRV40,NMRV050,NMRV063,NMRV075,NMRV090,NMRV110,NMRV130 NMRV series worm gear with output shaft