86 15670310586 
info@lkpbearing.com
RU Crossed Roller Bearings, Since the mounting holes are provided the model does not require a presser flange or housing. In addition, because it has an integrated inner/outer ring structure and is equipped with washers, its performance is minimally affected by the mounting procedure, ensuring stable rotation accuracy and torque. This model can be used for both inner-ring rotation and outer-ring rotation.
Table of Contents
The structure of the crossed cylindrical roller bearing is divided into three types of outer ring split type, inner ring split type and inner and outer ring integrated type. The rolling elements are short cylindrical rollers arranged at 90 ° to each other in a V-shaped raceway. The rollers are separated by a spacer.
This structural design allows a single bearing to withstand axial loads, radial loads, and overturning moments. At the same time, bearings have high rigidity, high rotation accuracy and high bearing capacity, so they are suitable for rotary joints of industrial robots, rotary tables of machining centers, precision rotary tables, medical machines, measuring instruments, etc.
Because the rollers are arranged in a cross, only one set of crossed roller collars can bear the load in all directions. Compared with the traditional model, the rigidity is increased by 3 to 4 times. Due to its special structure, it is usually used as an articulated bearing in industrial robots.
1. RU Crossed Roller Bearings Structure
With the Cross-Roller Ring, cylindrical rollers are arranged crosswise, with each roller perpendicular to the adjacent roller, in a 90゜ V groove, separated from each other by a spacer retainer. This design allows just one bearing to receive loads in all directions including, radial, axial and moment loads.Since the Cross-Roller Ring achieves high rigidity despite the minimum possible dimensions of the inner and outer rings.
2.RU Crossed Roller Bearings Features
Since this series bearings with mounting holes already,they do not need flange or housing.In addition,because it has anintergrated inner/outer ring structureand is equipped with washers,its performance is minimally affected by the mounting procedure,ensuring stable rotation accurancy and torque.
3. RU Crossed Roller Bearings Applications
Widely used on high precision rotary table, robot joints, rotating units, sophisticated medical equipments, and measurement instruments.
4.RU Crossed Roller Bearings Video Introduction
5. If You Need Custom Made, Pls Contact Us
6. RU Crossed Roller Bearings Escription
| Diameter (mm) | Identification number | Main dimensions | Shoulder height | Basic load rating（radial） | Weight | |||||||
| ID | OD | PCD | B | Oil hole | rmin | |||||||
| d | D | dp | β | d1 | ds | Dh | C/kN | Co/kN | kg | |||
| 10 | RU28 | 10 | 52 | 28 | 8 | 0.3 | 24 | 29.5 | 2.9 | 24 | 0.12 | |
| 20 | RU42 | 20 | 70 | 41.5 | 12 | 3.1 | 0.6 | 37 | 47 | 7.35 | 8.35 | 0.29 |
| 35 | RU66 | 35 | 95 | 66 | 15 | 3.1 | 0.6 | 59 | 74 | 17.5 | 22.3 | 0.62 |
| 55 | RU85 | 55 | 120 | 85 | 15 | 3.1 | 0.6 | 79 | 93 | 20.3 | 29.5 | 1 |
| 80 | RU124(G) | 80 | 165 | 124 | 22 | 3.1 | 1 | 114 | 134 | 33.1 | 50.9 | 2.6 |
| RU124X | ||||||||||||
| 90 | RU148(G) | 90 | 210 | 147.5 | 25 | 3.1 | 1.5 | 133 | 162 | 49.1 | 76.8 | 4.9 |
| RU148X | ||||||||||||
| 115 | RU178(G) | 115 | 240 | 178 | 28 | 3.1 | 1.5 | 161 | 195 | 80.3 | 135 | 6.8 |
| RU178X | ||||||||||||
| 160 | RU228(G) | 160 | 295 | 227.5 | 35 | 6 | 2 | 208 | 246 | 104 | 172 | 11.4 |
| RU228X | ||||||||||||
| 210 | RU297(G) | 210 | 380 | 297.3 | 40 | 6 | 2.5 | 272 | 320 | 156 | 281 | 21.3 |
| RU297X | ||||||||||||
| 350 | RU445(G) | 350 | 540 | 445.4 | 45 | 6 | 2.5 | 417 | 473 | 222 | 473 | 35.4 |
| RU445X | ||||||||||||
7. RU Crossed Roller Bearings shop
LKPB With more than 10 years of production experience
Supporting OEM service; 50 days return service; 7*24 hours technical support; Accept non-standard customization; Maximum 24 months product warranty
Please let us know the model and quantity of the product you need and we will get back to you as soon as possible!
FAQ
What is LKPB?
Luoyang LIKE Precision Machinery Co., Ltd – LKPB，Located in Luoyang, which is a bearing manufacturing base in China, we are an enterprise focusing on the research, development and manufacture of precision bearings, mainly producing precision crossed roller bearings and rotary table bearings and various non-standard bearings with precision class of P5, P4 , P2 and VSP.
Are your products reliable?
The company strictly follows the ISO9001 quality system requirements for product quality control, relying on the professional technology of the bearing production base, the product quality is stable and cost-effective, and is well received by customers at home and abroad. The company adheres to the concept of “openness, professionalism and responsibility”, and strives to become a professional bearing application service provider. Welcome customers to negotiate, looking forward to sincere cooperation with you, willing to achieve a win-win situation with you!
Do you have export experience?
Luoyang LIKE Precisoin Machinery Co., Ltd has accumulated rich production experience in the past 10 years, supporting OEM service. Our products are exported to Germany, Italy, Korea, Japan, the United States, Belgium, Turkey and so on.
Contact information for LKPB?
Tel: 0086-379 63123369
WhatsApp/Wechat: 86 15670310586
Email: info@lkpbearing.com
What types of bearings do you mainly produce?
Top quality: Rotary Table Bearing ( YRT, YRTS, YRTM, ZKLDF series) ; Crossed Roller Bearing ( RA/RAU, RB, RU, RE, SX, XU, XSU, XR/JXR, CRB/CRBC, CRBH, CRBF, CRBS, CRBT series); Thin Section Bearings ( KAA, KA, KB, KC, KD, KF, KG, JHA, JA, JB, JG, JU series); Harmonic Reducer Bearings ( CSF, SHF series); Angular Contact Ball Bearing ( 718, 719, 70, 72 series); Hollow Rotary Platform Bearings ( ZK series); and Flexible Bearings ( F series, 3E series).
Does it support OEM?
Yes, We have experience working in this area
What are the application areas of bearings?
The main application areas of our products are precision rotary tables, machining center rotary tables, industrial robot joints and rotating, robotic rotating parts, CNC machine tools, automation industry, direct drive motors, precision instruments, radar, medical equipment and other industries.
How long does the order cycle take?
Regular models are in stock, reasonable prices, ready for delivery, non-standard precision bearings according to the requirements of the drawings and the number of 1-3 weeks delivery time