KYOEI DELIVERS COMPREHENSIVE PRODUCT SELECTION
TO MEET A VARIETY OF APPLICATION NEEDS:
TO MEET A VARIETY OF APPLICATION NEEDS:
Slewing Ring, Worm Gear, Track Adjusters
And Trailored Solutions
SLEWING RINGS
EXTENSIVE QUALITY
EXPERIENCE
EXPERIENCE
A slewing ring is a large rotational bearing that supports heavy loads and allows smooth rotation in machinery. Common applications include Cranes, Excavators, Drilling Rigs, Wind Turbines, Solar Trackers, Material Handling Machines, Robotics, Amusement Rides.
Size Range: 400mm - 4000mm
Kyoei provides a complete production line, from material grinding and heat treatment to precision finishing
With outer diameters ranging from 400mm to 4000mm, we deliver wide coverage to meet diverse customer requirements.
Mainstream Types of Slewing Rings by Kyoei
Different types of bearings exist because machines face varying loads, speeds, precision requirements, and
operating environments. Each slewing ring type is engineered to optimize performance under specific conditions.
The Widest Slewing Ring Range in the Aftermarket
Kyoei offers the industry's most extensive slewing ring coverage for excavators and cranes.
- Over 2,000 models in total
- More than 400 new models developed since 2007
- Coverage for 90% of construction machinery currently in use
worldwide
Customized Slewing Ring
Standard designs may not always meet the unique demands of specialized machinery or environments. That's why Kyoei provides tailored solutions
to ensure exact fit and performance.
to ensure exact fit and performance.
- Support for new case designs
- Support for design upgrades
WORM GEAR
COMPACT POWER
YOU CAN TRUST
YOU CAN TRUST
A worm gear is a gear system where a screw-shaped shaft meshes with a toothed wheel to transmit motion and power, typically at a right angle. It is chosen when engineers require compact design, high torque output, and safe motion control.
What Customers Value Most
Kyoei understands the critical factors in selecting the right worm gear:
- Gear Ratio
- Load Capacity & Torque Rating
- Efficiency
- Self-Locking Ability
- Material & Durability
- Noise & Smoothness
- Size & Mounting Options
- Lubrication & Maintenance
- Cost vs Reliability
Worm Gear and Slewing Ring
Worm gear for speed reduction, torque control, and self-locking safety.
Slewing ring for supporting and rotating massive structures under heavy combined loads.
TRACK ADJUSTER
STAY ON TRACK,
STAY IN CONTROL.
STAY IN CONTROL.
A track adjuster is a critical undercarriage component in tracked heavy machinery. It maintains proper track tension by pushing the idler wheel forward and absorbing shocks, ensuring stability, durability, and reliable performance.
Aftermarket Ready
Kyoei offers a wide range of track adjuster models for excavators and bulldozers in the aftermarket.
More than 200 common models available
Compatible with leading brands such as Komatsu, Hitachi, Caterpillar, Sumitomo, Case, JCB, and Volvo
Fast lead time - 7 days for high-demand items
Tailored Solutions
CUSTOMIZED FOR
YOUR CHALLENGE
YOUR CHALLENGE
Standard designs don't always fit unique operating demands. Kyoei provides tailored slewing rings, worm gears, track adjusters, and other customized processes engineered to meet specific requirements.
Customized Processing
With advanced machinery, we deliver OEM manufacturing services across a wide range of processes—including grinding, gear cutting, drilling, heat treatment, and more.
