1.Deceleration aluminium alloy gear motors 2.Vertical distance between the centers of worm ... shaft and gear varies,25mm to 90mm Conveyor Aluminium alloy gear motors for speed reduction by worm & worm wheelFeaturesWide transmission rate, strong ... 030 040 050 063 075 090 Single unit versionsNMRV - fitted for motor flanged coupling,NRV - with input shaft,NMRV-E motor ...