Professional Manufacturer of Double Row Ball Type Slewing Bearings

Precision Transmission — Professional Manufacturer of Double Row Ball Type Slewing Bearings

As a leading expert in slewing ring solutions, our company specializes in double row ball slewing ring bearings, providing defect-free quality and cost-effective services to global construction machinery manufacturers.

Core Manufacturing Advantages:

Monthly production of over 100 sets of double row ball slew bearings: stable supply to well-known domestic and international crane and aerial work platform manufacturers

Precise control of axial and radial clearance, achievable to 0-0.10mm precision according to customer requirements, ensuring rotational flexibility and load-bearing rigidity

Base material: 42CrMo quenched and tempered steel

Raceways/teeth undergo medium-frequency quenching (hardened layer depth ≥3mm, hardness HRC55-60)

Thread dimensions and hole center distances comply with ISO standards

Zero quality complaint record: Over 12,000 sets delivered in 10 years with no customer complaints

We also offer customized services, such as:

▪ Surface protection: Painting (RAL standard colors) / Galvanizing (80μm-320μm)

▪ Support for non-standard designs: Providing load calculations, installation guidance, and full technical support throughout the process