... iron or aluminum gearbox are available. NOSEN bevel gear unit RNV-Series,cubic shape of gearbox.Model: RNV-065, ... machined by milling machine,gloss surfaces4.Input&Output shaft: S45C,heat treatedSpeed Ratio: 1:1,2:1. Special ratio,following ... noise meter and infrared thermometerApplication Industries:diesel engine drive water pump,textile,food processing machine,medicine,rotary axis drives, conveyors, ...