High‑efficiency compact coaxial helical gear unit serves as reliable industrial power‑transmission drive. Adopting solid‑shaft output layout, this foot‑mounted helical gear reducer features space‑saving installation, outstanding high‑torque density ranging from 50‑5000 Nm and ultra‑quiet running performance. Precision‑processed helical gears effectively cut down operating noise and vibration, delivering steady‑duty transmission for heavy‑duty industrial equipment.
▍Product Features
Compact, high-efficiency drives for industrial power transmission. Coaxial helical gear design with solid shaft ensures space-saving installation, high torque density (50–5,000 Nm), and quiet operation. Foot-mounted structure provides stability; helical gears reduce noise/vibration. Heavy-duty construction (premium materials, heat-treated components) offers durability under heavy loads. Versatile applications: conveyors, pumps, mixers, manufacturing. Easy motor integration, low maintenance, reversible operation. Ideal for harsh environments. Key benefits: compactness, reliability, torque range, industry-standard compatibility.
▍Parameter
| Product Name | SA Series Helical-worm gear units with hollow shaft |
| Gear material | 20CrMnTi alloy steel |
| Color | Blue Silver Red Customerized |
| Case Material | Cast iron HT200 |
| Gear Processing | Grinding finish by HOFLER Grinding Machines |
| Noise Test | Below 65dB |
| Brand of bearings | C&U bearing, ZWZ,LYC, HRB, NSK ,etc |
| Brand of oil seal | NAK or other brand |
| Temp. rise (MAX) | 40ºC |
| Temp. rise (Oil)(MAX | 50ºC |
| Vibration | ≤20µm |
| Housing hardness | HBS190-240 |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Machining precision of gears | 5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | Carburizing, Quenching etc |
| Efficiency | 95%~96% (depends on the transmission stage) |
| Backlash | ≤20Arcmin |
▍Drawing
▍Packaging & Shipping
 |  |
