R Series Helical Gear Reducer

The range includes 6 sizes of single-stage reducers and 14 sizes of 2-stage & 3-stage reducers. R-series helical geared motors perfectly match power output with limited installation space.

Advantages

• High power density
• Extended service life
• Low backlash available from R37 to R167
• RM variant specially engineered for agitator applications
• Proven modular design plus strict quality standards enable SEW‑EURODRIVE to deliver diversified products with finely graded torque and gear ratios. Such outstanding product diversity sets new benchmarks in drive technology.

Available reducer mounting configurations:
• Single-stage or multi-stage gear drive
• Foot-mounted
• Flange-mounted
• Foot & flange combined mounting
• Flange mounting with reinforced bearing housing

SEW R Series Helical Gear Reducers

Gear transmission efficiency peaks at 98% with minimal vibration and low noise.
Designed with solid shafts and available in foot or flange mounting, these reducers can serve as the input stage for multi-stage gear units.

Output Speed: 0.05rpm – 1829rpm
Output Torque & Power: 50Nm – 18,000Nm / 0.09kW – 160kW

Frame Sizes:
R37,R47,R57,R67,R77,R87,R97,R107,R137,R147,R167
RS37,RS47,RS57,RS67,RS77,RS87,RS97,RS107,RS137,RS147,RS167
RF37,RF47,RF57,RF67,RF77,RF87,RF97,RF107,RF137,RF147,RF167
RX37,RX47,RX57,RX67,RX77,RX87,RX97,RX107
RXF37,RXF47,RXF57,RXF67,RXF77,RXF87,RXF97,RXF107