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In the world of precision engineering, where space constraints and high accuracy are paramount, the XRA-C series crossed roller bearings emerge as a cutting-edge solution.
1. Slim Profile Design
The XRA-C series is characterized by an ultra-thin profile, making these crossed roller bearings particularly well-suited for applications with tight space constraints. The slim design doesn't compromise on performance, offering a remarkable balance between compactness and load-bearing capacity.
2. Crossed Roller Arrangement
Similar to other crossed roller bearings, the XRA-C series features a unique arrangement of alternating rollers at right angles between the inner and outer rings. This crossed configuration enhances load distribution, rigidity, and precision.
3. Material and Manufacturing Precision
To achieve the desired slim profile without compromising strength, the XRA-C series is crafted from high-quality materials using advanced manufacturing techniques. This ensures that these bearings can withstand loads while maintaining their ultra-thin form factor.
1. Space Efficiency
The primary advantage of the XRA-C series is its ultra-thin profile, which allows for efficient use of space in applications where real estate is limited. This makes these bearings ideal for industries such as robotics, medical devices, and aerospace, where compact design is crucial.
2. High Precision
Despite their slim design, XRA-C series crossed roller bearings maintain a high level of precision. The crossed roller arrangement minimizes internal clearances, reducing deflection and ensuring accurate positioning. This precision is particularly valuable in applications requiring intricate and controlled movements.
3. Lightweight Construction
| Ultra thin XRA-C series crossed roller bearings | ||||||||||
| Nominal type | External dimension |
Basic
rated load
（kN）
|
Weight | Corresponding type | ||||||
| Internal diameter | Outside diameter | Width | Pitch Circle diameter of roller | Shoulder dimension | Radial direction | |||||
| d | D | B | Dpw | ds | Dh | C | Co | Kg | THK | |
| XRBT205 | 20 | 31 | 5 | 25.5 | 22.5 | 27 | 1.4 | 1.29 | 0.014 | RAU2005 |
| XRBT305 | 30 | 41 | 5 | 35.5 | 32.5 | 37 | 1.77 | 1.97 | 0.02 | RAU3005 |
| XRBT405 | 40 | 51 | 5 | 45.5 | 42.5 | 47 | 2 | 2.52 | 0.026 | RAU4005 |
| XRBT505 | 50 | 61 | 5 | 55.5 | 52.5 | 57 | 2.28 | 3.2 | 0.032 | RAU5005 |
| XRA5008C | 50 | 66 | 8 | 57 | 53.5 | 60.5 | 5.1 | 7.19 | 0.08 | RA5008C |
| XRA6008C | 60 | 76 | 8 | 67 | 63.5 | 70.5 | 5.68 | 8.68 | 0.09 | RA6008C |
| XRA7008C | 70 | 86 | 8 | 77 | 73.5 | 80.5 | 5.98 | 9.8 | 0.1 | RA7008C |
| XRA8008C | 80 | 96 | 8 | 87 | 83.5 | 90.5 | 6.37 | 11.3 | 0.11 | RA8008C |
| XRA9008C | 90 | 106 | 8 | 97 | 93.5 | 100.5 | 6.67 | 12.4 | 0.12 | RA9008C |
| XRA10008C | 100 | 116 | 8 | 107 | 103.5 | 110.5 | 7.15 | 13.9 | 0.16 | RA10008C |
| XRA11008C | 110 | 126 | 8 | 117 | 113.5 | 120.5 | 7.45 | 15 | 0.15 | RA11008C |
| XRA12008C | 120 | 136 | 8 | 127 | 123.5 | 130.5 | 7.84 | 16.5 | 0.17 | RA12008C |
| XRA13008C | 130 | 146 | 8 | 137 | 133.5 | 140.5 | 7.94 | 17.6 | 0.18 | RA13008C |
| XRA14008C | 140 | 156 | 8 | 147 | 143.5 | 150.5 | 8.33 | 19.1 | 0.19 | RA14008C |
| XRA15008C | 150 | 166 | 8 | 157 | 153.5 | 160.5 | 8.82 | 20.6 | 0.2 | RA15008C |
| XRA16013C | 160 | 186 | 13 | 172 | 165 | 179 | 23.3 | 44.9 | 0.59 | RA16013C |
| XRA17013C | 170 | 196 | 13 | 182 | 175 | 189 | 23.5 | 46.8 | 0.64 | RA17013C |
| XRA18013C | 180 | 206 | 13 | 192 | 185 | 199 | 24.5 | 49.8 | 0.68 | RA18013C |
| XRA19013C | 190 | 216 | 13 | 202 | 196 | 209 | 24.9 | 51.5 | 0.69 | RA19013C |
| XRA20013C | 200 | 226 | 13 | 212 | 205 | 219 | 25.8 | 54.7 | 0.71 | RA20013C |
1.The nominal model with seal is Xra... Cuu
2.When high precision is required, please select inner ring rotation .
1. Robotics and Automation:
XRA-C series crossed roller bearings find extensive use in robotic joints and arms, where the combination of a slim profile and high precision is critical. These bearings contribute to the agility and accuracy of robotic movements.
2. Medical Imaging Equipment:
In medical devices like CT scanners and imaging tables, where space is often limited, XRA-C series crossed roller bearings play a crucial role in ensuring precise movements. The slim design is particularly beneficial in these applications.
3. Aerospace Components:
The lightweight construction of the XRA-C series makes it suitable for aerospace components, including satellite systems, where weight reduction is a key consideration. These bearings contribute to the precision and reliability of moving parts in such systems.
1. Load Capacity and Rigidity:
While the XRA-C series excels in space efficiency, it's essential to consider load capacity and rigidity requirements for specific applications. Understanding the balance between the slim profile and the load-bearing capabilities is crucial for optimal performance.
2. Mounting and Alignment:
Accurate mounting and alignment are critical for ensuring that the slim profile of the XRA-C series does not compromise performance. Proper installation minimizes the risk of uneven loading and premature wear.
3. Environmental Conditions:
Consider the environmental conditions in which the bearings will operate. Ensure that the materials and lubrication used are suitable for the temperature, humidity, and other factors relevant to the application.
