37mm dc gear motor: 1.Rated Voltage:3-24V 2.Speed:3-1500RPM 3.Allowable Torque:10kg.cm 4.eccentric shaft motor MODEL:GM37-3530 1.Low noise,low current and no spark 2.Motor with encoder,12 pulse signal3.size:37mm diamter gearbox,5.5mm D eccentric shaft, 4.reduction ratio and gearbox length:1/6.25,1/10 L=191/18.8,1/30 L=221/43.8,1/56.3,90 L=241/131.3,1/168.8,1/270 L=26.51/393.8,1/506.3,1/810,1/976 ...