| Model No. | Boundary Dim (mm) | Mounting Dim (mm) | Basic load rating | Mass | |||||
| Inner Ф | Outer Ф | Width | C | Co | |||||
| d | D | B | rmin | ds | Dh | kN | kN | kg | |
| RB 2008 | 20 | 36 | 8 | 0.5 | 23.5 | 30.5 | 3.23 | 3.10 | 0.04 |
| RB 2508 | 25 | 41 | 8 | 0.5 | 28.5 | 35.5 | 3.63 | 3.83 | 0.05 |
| RB 3010 | 30 | 55 | 10 | 0.6 | 37 | 47 | 7.35 | 8.36 | 0.12 |
| RB 3510 | 35 | 60 | 10 | 0.6 | 41 | 51.5 | 7.64 | 9.12 | 0.13 |
| RB 4010 | 40 | 65 | 10 | 0.6 | 47.5 | 57.5 | 8.33 | 10.6 | 0.16 |
| RB 4510 | 45 | 70 | 10 | 0.6 | 51 | 61.5 | 8.62 | 11.3 | 0.17 |
| RB 5013 | 50 | 80 | 13 | 0.6 | 57.4 | 72 | 16.7 | 20.9 | 0.27 |
| RB 6013 | 60 | 90 | 13 | 0.6 | 68 | 82 | 18 | 24.3 | 0.3 |
| RB 7013 | 70 | 100 | 13 | 0.6 | 78 | 92 | 19.4 | 27.7 | 0.35 |
| RB 8016 | 80 | 120 | 16 | 0.6 | 91 | 111 | 30.1 | 42.1 | 0.7 |
| RB 9016 | 90 | 130 | 16 | 1 | 98 | 118 | 31.4 | 45.3 | 0.75 |
| RB 10016 | 100 | 140 | 16 | 1 | 109 | 129 | 31.7 | 48.6 | 0.83 |
| RB 10020 | 100 | 150 | 20 | 1 | 113 | 133 | 33.1 | 50.9 | 1.45 |
| RB 11012 | 110 | 135 | 12 | 0.6 | 117 | 127 | 12.5 | 24.1 | 0.4 |
| RB 11015 | 110 | 145 | 15 | 0.6 | 122 | 136 | 23.7 | 41.5 | 0.75 |
| RB 11020 | 110 | 160 | 20 | 1 | 120 | 143 | 34 | 54 | 1.56 |
| RB 12016 | 120 | 150 | 16 | 0.6 | 127 | 141 | 24.2 | 43.2 | 0.72 |
| RB 12025 | 120 | 180 | 25 | 1.5 | 133 | 164 | 66.9 | 100 | 2.62 |
| RB 13015 | 130 | 160 | 15 | 0.6 | 137 | 152 | 25 | 46.7 | 0.72 |
| RB 13025 | 130 | 190 | 25 | 1.5 | 143 | 174 | 69.5 | 107 | 2.82 |
| RB 14016 | 140 | 175 | 16 | 1 | 147 | 162 | 25.9 | 50.1 | 1 |
| RB 14025 | 140 | 200 | 25 | 1.5 | 154 | 185 | 74.8 | 121 | 2.96 |
| RB 15013 | 150 | 180 | 13 | 0.6 | 157 | 172 | 27 | 53.5 | 0.68 |
| RB 15025 | 150 | 210 | 25 | 1.5 | 164 | 194 | 76.8 | 128 | 3.16 |
| RB 15030 | 150 | 230 | 30 | 1.5 | 173 | 211 | 100 | 156 | 5.3 |
| RB 16025 | 160 | 220 | 25 | 1.5 | 173 | 204 | 81.7 | 135 | 3.14 |
| RB 17020 | 170 | 220 | 20 | 1.5 | 184 | 198 | 29 | 62.1 | 2.21 |
| RB 18025 | 180 | 240 | 25 | 1.5 | 195 | 225 | 84 | 143 | 3.44 |
| RB 19025 | 190 | 240 | 25 | 1 | 202 | 222 | 41.7 | 82.9 | 2.99 |
| RB 20025 | 200 | 260 | 25 | 2 | 215 | 245 | 84.2 | 157 | 4 |
| RB 20030 | 200 | 280 | 30 | 2 | 221 | 258 | 114 | 200 | 6.7 |
| RB 20035 | 200 | 295 | 35 | 2 | 225 | 270 | 151 | 252 | 9.6 |
| RB 22025 | 220 | 280 | 25 | 2 | 235 | 265 | 92.3 | 171 | 4.1 |
| RB 24025 | 240 | 300 | 25 | 2.5 | 256 | 281 | 68.3 | 145 | 4.5 |
| RB 25025 | 250 | 310 | 25 | 2.5 | 265 | 290 | 69.3 | 150 | 5 |
| RB 25030 | 250 | 330 | 30 | 2.5 | 269 | 306 | 126 | 244 | 8.1 |
| RB 25040 | 250 | 355 | 40 | 2.5 | 275 | 326 | 195 | 348 | 14.8 |
| RB 30025 | 300 | 360 | 25 | 2.5 | 315 | 340 | 76.3 | 178 | 5.9 |
| RB 30035 | 300 | 395 | 35 | 2.5 | 322 | 368 | 183 | 367 | 13.4 |
| RB 30040 | 300 | 405 | 40 | 2.5 | 326 | 377 | 212 | 409 | 17.2 |
| RB 35020 | 350 | 400 | 20 | 2.5 | 363 | 383 | 54.1 | 143 | 3.9 |
| RB 40035 | 400 | 480 | 35 | 2.5 | 422 | 459 | 156 | 370 | 14.5 |
| RB 40040 | 400 | 510 | 40 | 2.5 | 428 | 479 | 241 | 531 | 23.5 |
| RB 45025 | 450 | 500 | 25 | 1 | 464 | 484 | 61.7 | 182 | 6.6 |
| RB 50025 | 500 | 550 | 25 | 1 | 514 | 534 | 65.5 | 201 | 7.3 |
| RB 50040 | 500 | 600 | 40 | 2.5 | 526 | 572 | 239 | 607 | 26 |
| RB 50050 | 500 | 625 | 50 | 2.5 | 536 | 587 | 267 | 653 | 41.7 |
| RB 60040 | 600 | 700 | 40 | 3 | 627 | 673 | 264 | 721 | 29 |
| RB 70045 | 700 | 815 | 45 | 3 | 731 | 777 | 281 | 836 | 46 |
| RB 80070 | 800 | 950 | 70 | 4 | 836 | 900 | 468 | 1330 | 105 |
| RB 90070 | 900 | 1050 | 70 | 4 | 937 | 1001 | 494 | 1490 | 120 |
| RB 1000110 | 1000 | 1250 | 110 | 5 | 1057 | 1171 | 1220 | 3220 | 360 |
| RB 1250110 | 1250 | 1500 | 110 | 5 | 1308 | 1423 | 1350 | 3970 | 440 |
RB Series Crossed Roller Bearings (Split outer ring, integrated inner ring)
1. General Information
Structural features: Featuring a split outer ring and an integrated inner ring design, this series effectively handles high radial and axial loads, making it suitable for high-load working environments.
Interchangeability: Can replace the THK RB series, IKO CRB series, and NSK NRXT series crossed roller bearings.
Core attributes: High-precision bearings. The crossed roller arrangement enables them to handle axial, radial, and overturning loads while increasing the support area, enhancing load-carrying capacity and accuracy. Suitable for applications requiring high precision and high rigidity.
2. Key Features
High precision and high rigidity: The crossed roller design effectively improves load-carrying capacity while maintaining high accuracy.
Compact design: The high load capacity allows for equivalent load performance in a more compact space, helping reduce overall equipment size.
Efficient rotation: The crossed arrangement of rollers reduces rolling friction, ensuring smooth rotational performance.
Suitable for multiple load types: Capable of simultaneously withstanding radial loads, axial loads, and overturning moments, adapting to varied working conditions.
Easy installation: Select models feature mounting holes, allowing direct bolt fixing and simplifying the installation process.
Luoyang Tongkang Precision Bearing offers RB series products in a variety of sizes and specifications to meet different application needs. Equipment using these bearings can achieve high-precision positioning and efficient operation, making them particularly suitable for demanding industrial and scientific research fields. When selecting, the appropriate specification and model should be determined based on specific application conditions and load requirements.
3. Installation Method
Preparations:
Ensure the installation environment is clean and free of dust and contamination.
Check the dimensions and surface roughness of the shaft and housing bore to confirm compliance with requirements.
Prepare the necessary tools (such as torque wrench, cleaning agent, anti-rust oil, etc.).
Inspect the bearing and mounting surfaces:
Check the bearing for damage or contamination.
Clean the mounting surfaces of the shaft and housing bore to ensure they are free of foreign matter or damage.
Bearing lubrication:
Select the appropriate lubricant and lubricant quantity according to the application requirements and the manufacturer's recommendations, and lubricate the bearing accordingly.
Install the bearing:
Gently fit the bearing onto the shaft or into the housing bore. Avoid striking directly with a hammer (to prevent damage); if force is required, use a dedicated installation tool or sleeve to ensure the force is evenly distributed.
For models with mounting holes, tighten the mounting bolts in the specified sequence and to the recommended torque.
Inspection and adjustment:
After installation, check that the bearing rotates smoothly without abnormal noise or friction.
Ensure there is no excessive preload or looseness.
Final check:
Clean the work area to avoid leaving behind tools or materials.
If applicable, perform a final lubrication treatment on the bearing.
Records and testing:
Record the installation process and final inspection results for future reference.
Test the bearing performance under actual working conditions to ensure it meets the application requirements.
Precautions: Installation details and sequences may vary depending on the bearing model, size, and application environment. If in doubt or encountering issues, it is recommended to contact Luoyang Tongkang Precision Bearing technical support or refer to the product manual. Proper installation is essential to ensuring bearing performance and extending service life.