E-city
The J-TYPE R350 ECO rear hub motor is designed for lightweight Cargo and e-city. With a 250W rated power limitation, it features HENTACH’s latest patented motor structure technology, achieving 86% efficiency—surpassing the industry average of 81%. The widened high-efficiency platform boosts energy utilization by 140%, significantly reducing energy consumption and extending range while lowering battery weight and cost.
Weighing only 2.8kg (with cassette), it delivers over 55Nm of torque, the performance in the 250W category. The 142mm OLD and left-side cable routing optimize cable management, enhancing stability and durability.
| Motor structure: | Rated Voltage(V): | Rated Power(W): |
| Outrunner Hub Motor | 250-350 | 36-48 |
| Peak Torque(N.m.): | Weight(KG): | OLD (mm): |
| ＞55NM | 2.8(With Cassette) | 142 |
Product Parameters
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| H1/ OD: | 117.5 |
| H2/Motor OD: | 138.5 |
| W1(-1/-2): | 42 |
| W2: | 6.5 |
| W3: | 14.5 |
| W4(-1/-2): | 40.5 |
| W5(-1/-2): | 26 |
| OLD: | 142 |
| Axle Length： | 195 |
Motor efficiency is greater than 86%, and the torque is greater than 50NM.
The innovative motor structure, a 1.4 times higher efficiency platform is wider, and the same battery life can be increased by 10-15%.
Invention of patented plastic steel gear: 5 times the torque of nylon gear; life is greater than 40,000 kilometers; lower after-sales
External rotor motor: more stable structure than the inner rotor, lower failure rate
Ningbo Yinzhou HENTACH Electromechanical Co., Ltd. was established in 1995. For more than 20 years, we have been committed to the casting and processing of miniature DC motors, hub motors for electric vehicles and motorcycles, and aluminum and magnesium alloys for electric vehicles. At the same time, we have a complete ISO9001 quality control system, mature management system and advanced manufacturing and testing equipment.
HENTACH has an area of more than 9,000 square meters, with a construction area of 5,000 square meters. Currently we have more than 60 sets of various internal production equipment including 500 tons die-casting machines, precision CNC machine tools, laser marking machines, micro-arc oxidation, etc., and another two sets of electric vehicle motor test benches.
HENTACH aims to pursue higher quality and innovation products. With rich experience in motor manufacturing, we are confident with our motor quality as we always use the materials and our own patented nylon-steel gear. We used to set up a price for the customers who use our motors for over 30,000 miles. In the end we find over 50 motors that are used by the customers for over 30,000 miles and some of them even reach 50,000 miles. We appreciate for those customers who are always trust our products, which also encourage us to keep exploring and innovating better motor with quality.
If you are interested in our products, please consult us
Ningbo Yinzhou HENTACH Electromechanical Co., Ltd. All Reserved.
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