1,little vibration, low noise, energy-saving high; 2,min:1set Technical ... 2-37,transmission ratio:≥3.838,model no.:R/RF/RM(17/27/37/47/57/67/77/87 ... reducer efficiency of over 95%;4, little vibration, low noise, energy-saving high;5, select high-quality forging ... .m)8513020030045060082015503000430080001300018000gearbox Weight(kg)45.58.510182536631011532204000700 RF series helical gearbox reducer