SLM KC Series Helical-Bevel Geared Motor
The SLM KC Series helical-bevel gearmotor combines the mechanical advantages of helical gear motors and bevel gear boxes to deliver superior torque and transmission efficiency. Engineered for high-demand industrial environments such as petrochemical, metallurgy, and packaging, it represents the advanced capabilities of top-tier gear motor manufacturers.
High Torque and Smooth Operation
With a high transmission ratio and low noise characteristics, the KC Series gearmotor ensures smooth and efficient operation under heavy-duty conditions. Its high torque output guarantees long-term reliability in complex working scenarios.
Durable and Precision Engineered
Crafted from 20CrMnTi alloy steel and subjected to advanced heat treatment processes, this helical gear motor features precision-ground gears for high accuracy and improved operating efficiency. It is a durable solution tailored for continuous industrial use.
Versatile Installation and Application
Designed with flexible installation in mind, the KC Series supports both horizontal and vertical mounting options. Its compact bevel gear box structure allows seamless integration into diverse and complex industrial automation systems.

Main Parameter:
Output speed: 0.15~270rpm
Output torque: up to 50000Nm
Motor power: 0.18~200kw
Input form: directly connected with motor, flange input or shaft input.
Installation Form: Horizontal, Vertical horizontal type bottom threaded hole, case end face threaded hole installation. Small flange installation, torque arm installation
Product features:
1. KC series helical-bevel gearmotor is the combination transmission structure of helical gears and spiral bevel gears, with large transmission torque and steady running
2. Little vibration and low noise, with large transmission ratio, the transmission efficiency is much higher than SC series.
3. The material of gears is 20CrMnTi alloy steel and the hardness can reach to HRC58°~ 62° after tempering, cementiting, quenching etc. heat treatment. All the gears are processed by accurate grinding and the precision can reach to grade 6~5.
4. The products have been mainly used in petrochemical machinery, metallurgy, printing and packaging machinery, ceramic machinery, mine and construction machinery, stage machinery,etc.

Fast selection:
| Model | Shaft Dia.(mm) | Center Height (mm) |
Output Flange Dia. (mm) |
Power (kw) |
Ratio | Permitted Torque (Nm) |
Weight (KGS) |
|
| Solid | Hollow (H7) |
|||||||
| KC37 | 25k6 | 30 | 100h13 | 160 | 0.12~2.2 | 8~102 | 180 | 13 |
| KC47 | 35k6 | 35 | 112h13 | 200 | 0.18~4 | 8~126 | 380 | 22 |
| KC57 | 35k6 | 40 | 132h13 | 250 | 0.25~5.5 | 8~143 | 580 | 29 |
| KC67 | 40k6 | 40 | 140h13 | 250 | 0.37~7.5 | 8~143 | 680 | 33 |
| KC77 | 50k6 | 50 | 180h13 | 300 | 0.75~11 | 8~175 | 1300 | 45 |
| KC87 | 60m6 | 60 | 212h13 | 350 | 1.5~18.5 | 8~197 | 2500 | 81 |
| KC97 | 70m6 | 70 | 265h13 | 450 | 2.2~30 | 8~197 | 3900 | 150 |
| KC107 | 90m6 | 90 | 315h13 | 450 | 4~45 | 8~197 | 6800 | 230 |
| KC127 | 100m6 | 100 | 375h13 | 550 | 7.5~90 | 8~197 | 11200 | 420 |
| KC157 | 120m6 | 120 | 450h13 | 660 | 11~110 | 8~198 | 11700 | 680 |
| KC167 | 160m6 | 135 | 500h13 | -- | 15~160 | 18~186 | 32000 | 1050 |
| KC187 | 190m6 | 155 | 600h13 | -- | 18.5~200 | 18~186 | 50000 | 1650 |
Remark: the weight without oil and motor, shaft and flange input add 10%.
Our Advantage:
High Torque Output: Delivers excellent torque performance, suitable for heavy-duty industrial applications.
Energy Efficiency: Combines helical and bevel gears for optimal energy efficiency and smooth operation.
Low Noise Performance: Designed for quiet operation, ideal for sensitive industrial environments.
Versatile Installation: Offers flexible mounting options, including both horizontal and vertical configurations, making it adaptable to various applications.
SLM (Zhejiang Shuanglian Machinery Co., Ltd.), founded in 1988 in Wenzhou, has grown from a small factory to a leading gear motor manufacturer in China. With over 30 years of industry experience, we’ve been committed to innovation and quality, producing a wide range of gear motors, including cycloidal, helical, and worm types. Our products are trusted in industries such as chemicals, construction, and pharmaceuticals, and we export globally to Europe, America, and Asia.

With advanced facilities and ISO9001:2008 certification, we pride ourselves on delivering reliable solutions to our customers worldwide. Our domestic sales network is expansive, and our global presence continues to grow.
Looking towards the future, SLM is committed to innovation and performance enhancement, aiming to lead the way in industrial automation and smart manufacturing.


