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.
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.
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 |
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.
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
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!