Skip to content 
S Series Helical Worm Gearbox Manufacturer
We are a professional manufacturer of S Series Helical Gearbox.The perfect combination of helical and worm gears. Offers right-angle output, quiet operation. Cost-effective replacement for SEW S Series.
Power
0.18 - 22 kW
Ratio
10.27 - 230.48
Torque
90 - 4000 Nm
Mounting
Solid / Hollow Shaft
Why Choose Our S Series Helical Worm Gearbox?
Why Switch to Our S Series?
- 100% Interchangeable: Same mounting dimensions as SEW S series.
- Ultra-Quiet Operation: The sliding contact of worm gears significantly reduces noise levels compared to other gear types.
- Self-Locking Function: Prevents back-driving in lifting applications, providing extra safety.
Available Configurations
S Series (Solid Shaft)
Foot-mounted with solid output shaft.
SA Series (Hollow Shaft)
Keyed hollow shaft for direct mounting
SF Series (Flange Mounted)
Flange with solid shaft output.
SAF Series(Hollow shaft&flange)
Hollow shaft output with flange.
S-R(Two Stage)
Solid shaft. Big torque.
SA-R(Two Stage)
Hollow shaft. Big torque.
SF-R(Two Stage)
Solid shaft with flange. Big torque.
SAF-R(Two Stage)
Hollow shaft with flnage. Big torque.
Need Detailed Specs & Drawings ?
We provide free specifications and drawings of S series helical worm gearbox.
FAQ about S Series Helical Worm Gearbox
Q: Is your S Series Helical Worm Gearbox interchangeable with SEW?
A: Yes, our S series helical worm gearbox shares the exact same mounting dimensions as the SEW S series. You can replace it directly without modifying your machine.
Q: What is the delivery time for the S Series gearbox?
A: For standard ratios and motors, we have stock and can ship within 7 days. For customized product, it takes about 15-25 days.
Q: Is the S series self-locking?
A: Yes, S series models with high gear ratios (usually >60) have self-locking capabilities.
Q: What is your material?
A: Housing: cast iron
Shaft: #45 steel
Worm gear: Brass(can be customized to better material)
Helical Gear: 20CrMnTi, processed by carburizing and quenching.
Q: Do you have shaft input model?
A: yes the S series helical worm gearbox can be shaft input, and the shaft size can be customized. Please contact us for detailed customization.
Request A Quote for S series
Send us your requirements or a photo of your existing nameplate. We will quote within 12 hours.
- Email: eric@cylreducer.com
- +86 18015838895
- No.1 xinxing Road, Changzhou City, Jiangsu Province, China
