Introduction to W37-DRN90L4 SEW Right Angle Speed Reducers

The W37-DRN90L4 is a high-performance right angle speed reducer from SEW, engineered to deliver efficient and reliable power transmission in industrial environments where space is limited and right-angle torque transfer is required. As a compact and versatile transmission solution, it integrates seamlessly with various industrial equipment, providing stable speed reduction and torque amplification to meet diverse operational demands.

This speed reducer features a wear-resistant SPIROPLAN® gear system, combined with high-quality steel components and precision tooth meshing design, which minimizes friction loss and ensures a transmission efficiency of up to 94%. Its right-angle configuration allows flexible installation in tight spaces, eliminating the need for additional transmission components and saving valuable equipment layout space.

Constructed with a lightweight yet durable aluminum housing, the W37-DRN90L4 offers excellent rigidity and heat dissipation, effectively protecting internal gears and components from dust, oil contamination and temperature fluctuations. It is equipped with a DRN90L4 motor, supporting multiple installation methods such as foot and flange mounting, and can be paired with solid or hollow output shafts to adapt to different load connection needs.

With a reduction ratio range of 3.20-75 and a maximum output torque of 180Nm, this unit precisely matches speed and torque requirements for various applications. Pre-filled with long-acting synthetic lubricant, it requires minimal maintenance, reducing downtime and operational costs. Widely used in material handling, food processing, and light industry, the W37-DRN90L4 is a reliable, energy-efficient choice for industrial power transmission.

SEW Reducer W Series Models, Weights and Motor Combinations

Note: The weights are for the reducer body only (aluminum housing) and vary slightly by installation type. Motor combinations are based on SEW standard SPIROPLAN® matching, covering IE1-IE4 efficiency classes and common power ranges.