PSI20 Series

PSU25 Series 4-Point Contact Ball Slewing Bearings

PSU25 Series - Engineered for High Performance

The PSU25 series four-point contact ball slewing bearings are engineered to meet the demands of heavy-duty industrial applications. Known for their exceptional load capacity and precision, these bearings are the core components in a variety of heavy equipment and precision machinery. With a focus on reliability and longevity, the PSU25 Series is designed to handle complex mechanical loads, including axial force, radial force, and overturning moments.

Series
PSU25
Load Capacity
High
Precision
High
Design
Four-point contact ball

Available Models & Specifications

Click on any part number to view detailed CAD drawings and download PDF specifications.

Part NumberBore (d)Outer (D)Width (B)
PSU25.1055 mmmmmm
PSU25.1155 mmmmmm
PSU25.1255 mmmmmm
PSU25.1355 mmmmmm
PSU25.1455 mmmmmm

Why PSU25 Series Matters for Heavy Equipment

The PSU25 Series four-point contact ball slewing bearings are designed to handle complex mechanical loads such as axial force, radial force, and overturning moment simultaneously. This specific design allows for stable operation under diverse load conditions, effectively extending the life of equipment. The optimized four-point contact ball design ensures significant load-bearing capabilities, making it suitable for heavy machinery in construction, automation, and medical equipment.

These bearings are widely used in construction machinery like slewing platforms for cranes, excavators, and tower cranes. In the automation sector, they are integral to industrial robots and rotating units in automated assembly lines. The precision and rigidity of the PSU25 Series meet the demands of high positioning accuracy required in equipment like automated robots, radar antennas, and precision machine tools.

Compared to traditional bearing combinations, the compact design of the PSU25 Series saves installation space, simplifies the design, and reduces overall weight. High-quality bearing steel and advanced heat treatment technology provide excellent wear and fatigue resistance, ensuring long-term reliable operation even in harsh environments.

  • Optimized four-point contact ball design for high load capacity.
  • Precision-machined raceways and high-quality steel balls for smooth operation.
  • Compact structure integrating multiple functions for space efficiency.

Key Technical Features of PSU25 Series

STEP 1

High Load Capacity

The PSU25 Series is designed with an optimized four-point contact ball arrangement, capable of withstanding substantial axial and radial forces, as well as overturning moments, ensuring stable operation in various load conditions.

STEP 2

High Precision and Rigidity

Precision-machined raceways and high-quality steel balls in the PSU25 Series provide exceptional rotational accuracy and rigidity, meeting the demands of equipment requiring high positioning accuracy.

STEP 3

Compact Design

Compared to traditional bearing combinations, the PSU25 Series integrates multiple functions into a compact structure, saving installation space, simplifying design, and reducing overall weight.

STEP 4

High Reliability and Long Life

Made with high-quality bearing steel and advanced heat treatment technology, the PSU25 Series exhibits excellent wear and fatigue resistance. Comprehensive sealing design prevents dust and moisture intrusion, ensuring long-term reliable operation.

FAQs about PSU25 Series Slewing Bearings

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