PSI25 Series Slewing Bearing: Precision Engineering for Heavy-Duty Rotation Solutions
Product Overview
The PSI25 Series Four Point Contact Ball Slewing Bearing with Internal Gear Teeth represents a breakthrough in rotational load management systems. Engineered for applications requiring exceptional moment load capacity and smooth rotational precision, this bearing series combines advanced metallurgical design with optimized gear tooth geometry to deliver unparalleled performance in demanding industrial environments.
Key Technical Features
1. Quadruple Load-Bearing Architecture
- Four-point contact raceway design enables simultaneous handling of:
- Axial Radial loads to 340 kN
- Moment loads exceeding 210 kN·m
- 25° contact angle optimization ensures optimal stress distribution across rolling elements
2. High-Precision Internal Gearing System
- Helical gear teeth (module 8-12) with DIN 3960 Class 7 accuracy
- Integrated tooth hardening (HRC-62) via vacuum carburizing process
- Customizable backlash adjustment (0.05-0.15mm) for precise motion control
3. Advanced Material Science
- Bearing rings forged from 42CrMo4+QT alloy steel
- Rolling elements manufactured from 100Cr6 bearing steel
- Surface treatment options:
- Black oxide coating (5-8μm)
- Zinc-nickel electroplating (15-20μm)
- Customized PVD coatings
- 98.6% gear transmission efficiency through optimized meshing geometry
- L10 service life exceeding 35,000 operating hours under ISO 281 standards
- Operating temperature range: -40°C to +120°C (extended range available)
- IP67 protection rating with triple-labyrinth sealing system
Industrial Applications
Heavy Machinery
- Tower crane slewing mechanisms
- Mining shovel rotation assemblies
- Tunnel boring machine cutter heads
Renewable Energy Systems
- Wind turbine yaw/pitch control
- Solar tracker rotation joints
Specialret rings
- Robotic welding positioners
- Medical imaging gantries
- Certified to ISO 9001:2015 and DIN 611/ISO 613 standards
- Complete FEA simulation reports available (incl. ANSYS Workbench analyses)
- Full traceability documentation with material certifications
TKD Information
- Title: PSI25 Series Internal Gear Slewing Bearings | High-Capacity Rotation Solutions
- Keywords:
- Four point contact slewing bearing
- Internal gear rotary joint
- Heavy-duty rotation mechanism
- PSI25 bearing specifications
- Custom gear slewing rings
- Description:
PSI25 series slewing bearings with internal helical gears deliver exceptional moment load capacity (210kN·m) and precision motion control. Engineered for construction machinery, wind turbines, and industrial automation systems. Request technical datasheets and custom configuration support.
