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Four Point Contact Ball Slewing Bearing
Four Point Contact Ball Slewing Bearing
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PSA25 Series

Unlike traditional bearings, our PSA 25 Series adopts a unique four-point contact design that can simultaneously withstand axial force, radial force and overturning moment, significantly saving installation space and simplifying the mechanical structure.

  • Introduction


Are you struggling to find a compact, high-load-bearing, and smooth-running slewing bearing? The PSA25 Series four-point contact ball slewing bearing is your ideal solution. Our focus on innovation and precision manufacturing ensures stable and reliable rotational performance for your equipment. Unlike traditional bearings, our PSA25 Series utilizes a unique four-point contact design that can simultaneously withstand axial forces, radial forces, and overturning moments, significantly saving installation space and simplifying mechanical structures. Whether it's a crane, excavator, or automated equipment, the PSA25 Series delivers exceptional performance, ensuring efficient operation.

Parameter

PSA25 Series Four point Contact Ball Slewing Bearing
Light series External gear type
Basic model Weight Mounting dimensions Gear parameter Corresponding type
Kg Da di La na Li ni do m z INA IMO Mijnsbergen Rothe Erde
PSA25.455 74 590.4 355 516 18 395 18 576 8 72 11-25 0455
PSA25.555 93 694.4 616 20 495 20 680 8 8 85 11-25 0555
PSA25.655 111 798.4 555 716 24 595 24 784 8 98 11-25 0655
PSA25.755 128 898 655 816 24 695 24 882 9 98 VSA250755 11-25 0755 E.900.25.00.B
PSA25.855 145 997 755 916 28 795 28 981 9 109 VSA250855 11-25 0855 E.1000.25.00.B 061.25.0855
PSA25.955 155 1096 855 1016 30 895 30 1080 9 120 VSA250955 11-25 0955 E.1100.25.00.B 061.25.0955
PSA25.1055 171 1198 955 1116 30 995 30 1180 10 118 VSA2501055 11-25 1055 E.1200.25.00.B 061.25.1055
PSA25.1155 186 1298 1055 1216 36 1095 36 1280 10 128 11-25 1155 061.25.1155
PSA25.1255 201 1398 1155 1316 42 1195 42 1380 10 138 11-25 1255 061.25.1255
PSA25.1355 218 1498 1255 1416 42 1295 42 1480 10 148 11-25 1355 061.25.1355
PSA25.1455 233 1598 1355 1516 48 1395 48 1580 10 158 11-25 1455 061.25.1455


Key Advantages and Features:

1. Extremely Compact, Space-Saving

The PSA25 Series four-point contact ball slewing bearing features a compact and lightweight design, seamlessly integrating the inner ring, outer ring, and rolling elements, significantly reducing overall size and weight. This makes it ideal for space-constrained applications, such as small construction machinery and precision automation equipment. The more compact design not only simplifies your equipment structure but also reduces overall manufacturing costs.

2. Excellent Load Capacity, Multiple Forces

Our PSA25 Series utilizes a unique four-point contact ball design. This structure allows a single bearing to withstand combined loads from all directions. It effectively handles axial and radial loads, as well as overturning moments. This design ensures smooth and reliable rotation even under high loads and high overturning moments.

3. High Precision, Smooth Operation

The PSA25 Series' precision manufacturing process ensures an extremely low coefficient of friction and exceptionally high rotational accuracy. Whether operating at low or high speeds, our slewing bearing provides excellent stability and positioning accuracy, effectively reducing vibration and noise, and extending equipment life. Our products' outstanding performance has also earned them widespread acclaim in the precision-critical medical equipment and robotics sectors.

4. Flexible Design, Multiple Options

We understand that slewing bearing requirements vary across industries. Therefore, the PSA25 Series offers a wide range of specifications and models, including various sizes and mounting options. Whether with or without teeth, or with internal or external gearing, we can provide customized solutions. The PSA25 Series' flexible design perfectly matches your specific application needs.

Applications:

The PSA25 Series four-point contact ball slewing bearing, with its outstanding performance, is widely used in the following fields:

Construction Machinery: Small excavators, cranes, concrete pump trucks

Automation Equipment: Industrial robots, automated assembly lines, CNC machine tools

Medical Equipment: CT scanners, medical beds

New Energy: Solar tracking systems

Other: Port machinery, packaging machinery

Why Choose Us?

We are committed to providing high-quality slewing bearing solutions to our customers worldwide. All PSA25 Series products undergo rigorous quality control and performance testing to ensure that every product meets the highest standards. Our dedicated team offers technical support and customized services to ensure you find the slewing bearing that's best suited for your application.

Contact us today for detailed information and a quote on our PSA25 Series four-point contact ball slewing bearings, and let us bring exceptional power to your equipment!

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