Helical Parallel Shaft Gearboxes HF Series

HEM MOTOR HF Series Parallel Shaft Helical Gear Reducers are industrial power-transmission units with parallel input and output shafts, designed for high efficiency, a compact housing and long service life. Hardened and ground helical gear stages combine high torque capacity with quiet running, and the broad housing range from HF37 to HF127 suits motor powers from 0.12 kW up to 90 kW. For reducers and reducer-duty motors, HEM Motor plans the housing, ratio and mounting type around your application and supplies everything from a single source with stock availability and fast delivery. See current electric motor prices for the matching motor. HF Series Housing (Size) Options The HF series is offered in graduated housing sizes for rising torque demand. The table below lists the approximate maximum output torque , recommended motor power range and typical reduction ratio for each housing. Values are nominal; the exact selection depends on output speed, service factor and operating hours. Housing / Model | Approx. Max Output Torque (Nm) | Recommended Motor Power (kW) | Typical Reduction Ratio (i) HF37 | ~200 | 0.12 – 3 | 3.5 – 130 HF47 | ~400 | 0.18 – 5.5 | 3.5 – 150 HF57 | ~800 | 0.25 – 9.2 | 4 – 175 HF67 | ~1,550 | 0.55 – 15 | 4.5 – 190 HF77 | ~3,000 | 0.75 – 22 | 5 – 195 HF87 | ~4,300 | 1.5 – 37 | 5.5 – 220 HF97 | ~8,000 | 3 – 55 | 6 – 250 HF107 | ~13,000 | 5.5 – 75 | 7 – 270 HF127 | ~18,000 | 11 – 90 | 8 – 290 To pick the right housing, just share the output speed (rpm), the driven load and the daily running time; we will define the correct HF housing size and reduction ratio together. Key Features Supplied as a Geared Motor (Gearmotor) HF series reducers can be supplied complete as a geared motor together with IE3 efficient HEM Motor electric motors. Because motor power, pole count (speed) and reduction ratio are matched in a single package, installation is faster and compatibility issues disappear. Applications Mounting and Connection Types The HF series adapts to different layouts with a foot-mounted housing, B5/B14 flanged output and solid output shaft. As the motor adaptation follows IEC flange dimensions, it can also be matched to your existing motors. Why HEM Motor HF Series? As a manufacturer and seller, HEM Motor supplies the HF37–HF127 housing range, suitable reduction ratios and motor matching from stock or with short lead times. We size the housing, calculate the ratio and assess the service factor with you to build the most suitable and economical solution. Frequently Asked Questions HF37, HF47, HF57, HF67, HF77, HF87, HF97, HF107 and HF127 are offered as standard. Larger housings for higher torque are evaluated on request. Yes. The HF series can be matched with a HEM Motor electric motor at the required power and speed and delivered complete as a geared motor . Share the output speed, the driven load (or required output torque) and the daily running time; we define the suitable HF housing size and reduction ratio with the service factor and send price and delivery details. For HF series parallel shaft helical reducers and the matching motor, just share the housing, ratio and mounting type, and we will prepare a quote with stock and fast-delivery information. 2026 Technical and Product Catalog Power, speed, current, efficiency and torque tables for the IE3 · IE4 · IE5 series, plus B3 / B5 / B35 frame dimensions — 32 pages in one PDF.