R Series Inline Helical Gearmotors are the input shaft and output shaft are inline to each other. Power: 0.18-160KW. Output torque: Up to 18000N.m. Output speed: 0.16-1028 RPM. Mounting option: foot-mounted or flange-mounted. Transmission efficiency: 2-stage (ratio: 5-24.8): 96%; 3-stage (ratio:27.2-264): 94%. Models: R17, R27, R37, R47, R57, R67, R77, R87, R97, R107, R137, R147, R167. RF17, RF27, RF37, RF47, RF57, RF67, RF77, RF87, RF97, RF107, RF137, RF147, RF167. RX37, RX57, RX67, RX77, RX87, RX97, RX107, RX127, RX157. RXF37, RXF57, RXF67, RXF77, RXF87, RXF97, RXF107, RXF127, RXF157. R: Foot-mounted with solid shaft output. RF: Flange-mounted with solid shaft output. RX: Foot-mounted single-stage with solid shaft output. RXF: Flange-mounted single-stage with solid shaft output. Single-stage, two-stage and three-stage. High reduction ratio, torque density, high efficiency and save power. Integrated casting housing,compact dimension,high loading support, stable transmitting and low noise level. Perfect oil leakage preventing makes the good sealings and can be used in wide range of industry. Save cost and low maintenance.