Thin section ball bearings have become an indispensable core component in precision machinery design. Our PR sealed radial contact ball thin-walled ball bearings, with their unique structural design and superior performance, offer you solutions beyond your imagination.
| Type | Major dimensions | Weight | Rated loading | Limiting Speed | Equivalent | |||||||
| d | D | B | ||||||||||
| in | mm | in | mm | in | mm | kg | Radial | |||||
| Static | Dynamic | (RPM) | KAYDON | SILVERTHIN | ||||||||
| Co(N) | Cr(N) | |||||||||||
| PR040UU | 4 | 101.6 | 4.75 | 120.65 | 0.5 | 12.7 | 0.249 | 9,340 | 5,740 | 1640 | JU040CP0 | JSU040CP0 |
| PR042UU | 4.25 | 107.95 | 5 | 127 | 0.5 | 12.7 | 0.263 | 9,880 | 5,870 | 1520 | JU042CP0 | JSU042CP0 |
| PR045UU | 4.5 | 114.3 | 5.25 | 133.35 | 0.5 | 12.7 | 0.277 | 10,410 | 6,010 | 1440 | JU045CP0 | JSU045CP0 |
| PR047UU | 4.75 | 120.65 | 5.5 | 139.7 | 0.5 | 12.7 | 0.295 | 10,940 | 6,090 | 1360 | JU047CP0 | JSU047CP0 |
| PR050UU | 5 | 127 | 5.75 | 146.05 | 0.5 | 12.7 | 0.308 | 11,520 | 6,180 | 1300 | JU050CP0 | JSU050CP0 |
| PR055UU | 5.5 | 139 | 6.25 | 158.75 | 0.5 | 12.7 | 0.336 | 12,590 | 6,410 | 1180 | JU055CP0 | JSU055CP0 |
| PR060UU | 6 | 152.4 | 6.75 | 171.45 | 0.5 | 12.7 | 0.367 | 13,660 | 6,630 | 1080 | JU060CP0 | JSU060CP0 |
| PR065UU | 6.5 | 165.1 | 7.25 | 184.15 | 0.5 | 12.7 | 0.395 | 14,750 | 6,810 | 1000 | JU065CP0 | JSU065CP0 |
| PR07OUU | 7 | 177.8 | 7.75 | 196.85 | 0.5 | 12.7 | 0.422 | 15,790 | 6,980 | 920 | JU07OCP0 | JSU070CP0 |
| PR075UU | 7.5 | 190.5 | 8.25 | 209.55 | 0.5 | 12.7 | 0.449 | 16,860 | 7,120 | 860 | JU075CP0 | JSU075CP0 |
| PR080UU | 8 | 203.2 | 8.75 | 222.25 | 0.5 | 12.7 | 0.481 | 17,930 | 7,340 | 810 | JUO80CP0 | JSU080CP0 |
| PR090UU | 9 | 228.6 | 9.75 | 247.65 | 0.5 | 12.7 | 0.535 | 20,060 | 7,700 | 720 | JU090CP0 | JSU090CP0 |
| PR100UU | 10 | 254 | 10.75 | 273.05 | 0.5 | 12.7 | 0.594 | 22,200 | 7,920 | 650 | JU100CP0 | JSU100CP0 |
| PR110UU | 11 | 279.4 | 11.75 | 298.45 | 0.5 | 12.7 | 0.649 | 24,330 | 8,360 | 590 | JU110CP0 | JSU110CP0 |
| PR120UU | 12 | 304.8 | 12.75 | 323.85 | 0.5 | 12.7 | 0.708 | 26,470 | 8,780 | 540 | JU120CP0 | JSU120CP0 |
1. Extreme Lightweight and Space Optimization
Our thin-wall bearings utilize a lightweight design, minimizing cross-sectional height and width, significantly reducing their overall size and weight. This makes them unparalleled in applications where space and weight are critical, such as aerospace, medical devices, robotics, and precision instruments. Choosing our thin-wall ball bearings means your designs can be more compact and flexible.
2. PR Seal Technology: Superior Protection, Long-Lasting Durability
The PR seal is a core feature of our products. This high-performance seal effectively prevents dust, moisture, and contaminants from entering the bearing while locking in grease, significantly extending bearing life and maintenance-free intervals. Whether in harsh industrial environments or applications requiring high cleanliness, PR-sealed radial contact ball bearings provide stable and reliable operation, saving you significant maintenance costs.
3. Precision Radial Contact Ball Design: High Precision and Low Friction
Our high-precision radial contact ball design ensures extremely low friction and excellent running accuracy even at high speeds. This is crucial for equipment that requires smooth, vibration-free operation, such as precision CNC machine tools, measuring equipment, and optical instruments. High-precision radial contact ball bearings not only improve equipment performance but also ensure the quality of the end product.
Material: Made of high-quality bearing steel (such as GCr15) and undergoing a special heat treatment process, ensuring high hardness, high wear resistance, and a long service life.
Seal Type: PR seal, effectively protecting against dust and water, requiring no additional lubrication or maintenance.
Type: Thin-walled ball bearing, available in various configurations, including deep groove and angular contact, to meet diverse load requirements.
Applications: Widely used in high-tech fields such as aviation, medical, robotics, automation equipment, and semiconductor manufacturing.
We understand that you need more than just a product; we need a reliable solution that improves your equipment's performance and reduces operating costs. Our PR sealed radial contact ball thin-walled ball bearings offer an unparalleled combination of lightweight, high precision, and exceptional sealing, delivering unparalleled value.
Contact us today for more product information and technical support. Let us work together to revitalize your precision equipment!
