Our PX sealed four-point contact ball thin section bearings combine lightweight, high load-bearing and high sealing performance. They are designed to maximize performance in limited space and are your ideal choice for high-precision, compact bearing solutions.
| Type | Major dimensions | Weight | Rated loading | Limiting Speed | Equivalent | |||||||||
| Radial | Thrust | |||||||||||||
| d | D | B | Static | Dynamic | Static | Dynamic | KATDON | SILVERTHIN | ||||||
| in | mm | in | mm | in | mm | kg | Co（N） | Cr（N） | Co（N） | Cr（N） | RPM | |||
| PX040UU | 4 | 101.6 | 4.75 | 120.65 | 0.5 | 12.7 | 0.249 | 9,340 | 6,300 | 23,400 | 12,500 | 620 | JU040XP0 | JSU040XP0 |
| PX042UU | 4.25 | 107 950 | 5 | 127.000 . | 0.5 | 12.7 | 0.263 | 9,880 . | 6,510 | 24,730 | 12,770 | 590 | JU042XP0 | JSU042XP0 |
| PX045UU | 4.5 | 114.3 | 5.25 | 133.35 | 0.5 | 12.7 | 0.277 | 10,410 | 6,720 | 26,070 | 12,990 | 550 | JU045XP0 | JSU045XP0 |
| PX047UU | 4.75 | 120.65 | 5.5 | 139.7 | 0.5 | 12.7 | 0.295 | 10,940 | 6,920 | 27,400 | 13,210 | 520 | JU047XP0 | JSU047XP0 |
| PX050UU | 5 | 127 | 5.75 | 146.05 | 0.5 | 12.7 | 0.308 | 11,520 | 7,120 | 28,740 | 13,520 | 500 | JU050XP0 | JSU050XP0 |
| PX055UU | 5.5 | 139 | 6.25 | 158.75 | 0.5 | 12.7 | 0.336 | 12,590 | 7,500 | 31,400 | 13,880 | 450 | JU055XP0 | JSU055XP0 |
| PX060UU | 6 | 152.4 | 6.75 | 171.45 | 0.5 | 12.7 | 0.367 | 13,660 | 7,870 | 34,070 | 14,320 | 410 | JU060XP0 | JSU060XP0 |
| PX065UU | 6.5 | 165.1 | 7.25 | 184.15 | 0.5 | 12.7 | 0.395 | 14,750 | 8,230 | 36,790 | 14,680 | 380 | JU065XP0 | JSU065XP0 |
| PX070UU | 7 | 177 800 | 7.75 | 196.85 | 0.5 | 12.7 | 0.422 | 15,790 | 8,590 | 39,460 | 15,210 | 350 | JU070XP0 | JSU070XP0 |
| PX075UU | 7.5 | 190.5 | 8.25 | 209.55 | 0.5 | 12.7 | 0.449 | 16,860 | 8,930 | 42,120 | 15,480 | 330 | JU075XP0 | JSU075XP0 |
| PX080UU | 8 | 203.2 | 8.75 | 222.25 | 0.5 | 12.7 | 0.481 | 17,930 | 9,260 | 44,790 | 15,840 | 310 | JU080XP0 | JSU080XP0 |
| PX090UU | 9 | 228.6 | 9.75 | 247 .650 | 0.5 | 12.7 | 0.535 | 20,060 | 9,900 | 50,130 | 16,410 | 220 | JU090XPO | JSU090XP0 |
| PX100UU | 10 | 254 | 10.75 | 273.05 | 0.5 | 12.7 | 0.594 | 22,200 | 10,520 | 55,470 | 17,480 | 200 | JU100XP0 | JSU100XP0 |
| PX110UU | 11 | 279.4 | 11.75 | 298.45 | 0.5 | 12.7 | 0.649 | 24,330 | 11,100 | 60,850 | 18,590 | 180 | JU110XP0 | JSU110XP0 |
| PX120UU | 12 | 304.8 | 12.75 | 323.85 | 0.5 | 12.7 | 0.708 | 26,470 | 11,660 | 66,190 | 19.66 | 160 | JU120XP0 | JSU120XP0 |
Compact and Lightweight Design: The key advantage of thin section bearings lies in their extremely small cross-section and low weight. This not only significantly saves equipment space and reduces overall weight, but also increases design flexibility. This feature is crucial in applications where space and weight are critical, such as robotics, aerospace, and medical devices.
Four-Point Contact Ball Design: Unlike traditional deep groove ball bearings, our four-point contact ball thin-wall bearings are uniquely designed to accommodate both axial and radial loads in both directions. A single bearing can replace a pair of angular contact ball bearings, significantly simplifying installation and reducing costs.
Excellent PX Sealing Performance: PX sealing technology provides excellent protection against dust and splash water. This highly effective sealing structure effectively prevents external contaminants from entering the bearing while keeping the internal grease clean. This means longer bearing life and less maintenance, making it particularly suitable for use in dusty or humid environments.
High Precision and High Rigidity: We use high-quality materials and precision machining to ensure that every PX thin-wall bearing offers exceptional rotational accuracy and high rigidity. This makes them excellent for applications requiring high positioning precision, such as precision turntables, encoders, and optical equipment.
With their unique combination of features, PX sealed four-point contact ball thin section bearings are widely used in:
Industrial Robotics: Joints, End Effectors
Medical Equipment: CT Scanners, Surgical Robots
Aerospace: Satellite Antennas, Optical Systems
Precision Instruments: Radar Antennas, Test Equipment
Semiconductor Manufacturing Equipment: Wafer Handling Systems
Choosing the right bearing is crucial. You can choose based on the following factors:
Load Type: Is the load primarily radial, axial, or combined?
Space Constraints: The dimensions of the space required to install the bearing.
Speed Requirements: High or Low Speed.
Environmental Conditions: Is there dust, moisture, or other contaminants?
Our team of technical experts is always ready to provide you with professional technical support and selection advice to ensure that you get the PX sealed four-point contact ball thin section bearing solution that best suits your application needs.
