CRB Series Crossed Roller Bearings are precision bearings known for their high load-bearing capacity, rigidity, and compact design. The "CRB" stands for Crossed Roller Bearing and these bearings are specifically designed to handle radial, axial, and moment loads simultaneously. The CRB Series is commonly used in applications that demand high precision, such as robotics, machine tools, and various forms of automation equipment. The CRB Series bearings have a thin, compact profile, making them ideal for applications where space is limited but high load capacity and rigidity are required. This compact design allows for easy integration into various types of equipment, reducing the overall footprint of the system.
CRB series crossed roller bearings are a type of rolling element bearing that utilize cylindrical rollers arranged in a V-shaped cross-section. The CRB CRBC series, in particular, is widely known for its precision, versatility, and high load capacity. This article aims to provide a comprehensive understanding of the CRB CRBC series by outlining its advantages and discussing its common applications in various fields.
1. Compact Design: The compact structure of the CRB CRBC series allows for space-saving installations, making it ideal for applications with limited radial and axial space restrictions.
2. High Rigidity: Due to the unique design and arrangement of cylindrical rollers, the CRB CRBC series exhibits exceptional rigidity, ensuring excellent precision and stability, even in demanding operating conditions.
3. High Load Capacity: Small crossed roller bearings offer remarkable load carrying capabilities, enabling them to handle heavy radial, axial, and moment loads effectively.
4. Precise Motion Control: The crossed roller arrangement minimizes friction and enables smooth, accurate motion, making the CRB CRBC series suitable for applications that require precise positioning and maneuverability.
5. Cost-Effective: Despite their advanced capabilities, small crossed roller bearings are cost-effective solutions, providing long-lasting performance at an economical price point.
1. Robotics and Automation: The CRB CRBC series finds extensive use in robotic arms, joint mechanisms, and automation equipment to facilitate smooth, precise motion control, enabling high-speed and high-accuracy operations.
2. Machine Tools: These bearings are frequently employed in machine tool applications, such as vertical milling machines, grinding machines, and lathes, where the need for high rigidity, load capacity, and precision is essential.
3. Medical and Scientific Instruments: The precise and stable motion offered by the CRB CRBC series makes it a reliable choice for medical imaging equipment, precision measuring instruments, microscopy systems, and robotic surgical devices.
4. Aerospace and Defense: Small crossed roller bearings are commonly used in aircraft and defense applications, including flight control systems, satellite communication systems, missile guidance systems, and radar equipment, thanks to their durability, rigidity, and load-handling capabilities.
5. Semiconductor Equipment: The CRB CRBC series is utilized in various semiconductor manufacturing equipment, such as wafer handling robots, inspection machines, and lithography systems, where minimal vibration, precise positioning, and high load capacity are crucial.
The small crossed roller bearings CRB CRBC series offers a compact design, high rigidity, excellent load capacity, precise motion control, and cost-effectiveness. With a wide range of applications in robotics, machine tools, medical instruments, aerospace, and semiconductor equipment, these bearings have proven to be reliable solutions for achieving optimal performance and efficiency in various industries.
Shaft Diameter (mm) | Identification Number | Main Dimensions (mm) | Mounting Dimensions (mm) | CRBC | CRB | 重量Weight | |||||||
With Cage | Full Complement | d | D | B | r(min) | Basic Dynamic Load Rating | Basic Static Load Rating | Basic Dynamic Load Rating | Basic Static Load Rating | ||||
C (KN) | Co (KN) | C (KN) | Co (KN) | KG | |||||||||
30 | CRBC3010 | CRB3010 | 30 | 55 | 10 | 0.3 | 34 | 44 | 3.8 | 4.1 | 5.29 | 6.35 | 0.12 |
40 | CRBC4010 | CRB4010 | 40 | 65 | 10 | 0.3 | 44 | 54 | 4.28 | 5.14 | 5.98 | 8.04 | 0.15 |
50 | CRBC5013 | CRB5013 | 50 | 80 | 13 | 0.6 | 55 | 71 | 10.7 | 12.6 | 14.2 | 18.4 | 0.29 |
60 | CRBC6013 | CRB6013 | 60 | 90 | 13 | 0.6 | 64 | 81 | 11.6 | 14.6 | 15.4 | 21.5 | 0.33 |
70 | CRBC7013 | CRB7013 | 70 | 100 | 13 | 0.6 | 75 | 91 | 12.3 | 16.7 | 17 | 25.5 | 0.38 |
80 | CRBC8016 | CRB8016 | 80 | 120 | 16 | 0.6 | 86 | 107 | 18.2 | 25.5 | 24.3 | 37.5 | 0.74 |
90 | CRBC9016 | CRB9016 | 90 | 130 | 16 | 1 | 98 | 118 | 19.4 | 28.6 | 25.9 | 42.1 | 0.81 |
100 | CRBC10020 | CRB10020 | 100 | 150 | 20 | 1 | 108 | 134 | 31.5 | 45.1 | 39.4 | 61.1 | 1.45 |
110 | CRBC11020 | CRB11020 | 110 | 160 | 20 | 1 | 118 | 144 | 33.5 | 50.7 | 41.2 | 66.7 | 1.56 |
120 | CRBC12025 | CRB12025 | 120 | 180 | 25 | 1.5 | 132 | 164 | 47.7 | 70.5 | 59.9 | 95.4 | 2.62 |
130 | CRBC13025 | CRB13025 | 130 | 190 | 25 | 1.5 | 140 | 172 | 49.2 | 74.8 | 61 | 99.8 | 2.82 |
140 | CRBC14025 | CRB14025 | 140 | 200 | 25 | 1.5 | 151 | 183 | 50.7 | 79.2 | 64.1 | 108 | 2.96 |
150 | CRBC15025 | CRB15025 | 150 | 210 | 25 | 1.5 | 160 | 192 | 53.8 | 87.7 | 65 | 113 | 3.16 |
150 | CRBC15030 | CRB15030 | 150 | 230 | 30 | 1.5 | 166 | 202 | 69.2 | 108 | 85.9 | 144 | 5.3 |
200 | CRBC20025 | CRB20025 | 200 | 260 | 25 | 2 | 208 | 239 | 60.2 | 110 | 75.3 | 148 | 4 |
200 | CRBC20030 | CRB20030 | 200 | 280 | 30 | 2 | 218 | 262 | 108 | 178 | 133 | 234 | 6.7 |
200 | CRBC20035 | CRB20035 | 200 | 295 | 35 | 2 | 221 | 274 | 137 | 215 | 168 | 282 | 9.58 |
250 | CRBC25025 | CRB25025 | 250 | 310 | 25 | 2.5 | 259 | 290 | 67.2 | 136 | 83.9 | 183 | 4.97 |
250 | CRBC25030 | CRB25030 | 250 | 330 | 30 | 2.5 | 265 | 310 | 116 | 208 | 146 | 283 | 8.1 |
250 | CRBC25040 | CRB25040 | 250 | 355 | 40 | 2.5 | 271 | 330 | 179 | 299 | 215 | 382 | 14.8 |
300 | CRBC30025 | CRB30025 | 300 | 360 | 25 | 2.5 | 310 | 341 | 73.8 | 162 | 91.9 | 217 | 5.88 |
300 | CRBC30035 | CRB30035 | 300 | 395 | 35 | 2.5 | 318 | 372 | 163 | 299 | 205 | 408 | 13.4 |
300 | CRBC30040 | CRB30040 | 300 | 405 | 40 | 2.5 | 321 | 381 | 194 | 351 | 235 | 451 | 17.2 |
400 | CRBC40035 | CRB40035 | 400 | 480 | 35 | 2.5 | 414 | 457 | 133 | 300 | 165 | 400 | 14.5 |
400 | CRBC40040 | CRB40040 | 400 | 510 | 40 | 2.5 | 423 | 483 | 222 | 455 | 270 | 590 | 23.5 |
400 | CRBC40070 | CRB40070 | 400 | 580 | 70 | 2.5 | 430 | 532 | 470 | 811 | 576 | 1060 | 72.4 |
500 | CRBC50040 | CRB50040 | 500 | 600 | 40 | 2.5 | 517 | 573 | 211 | 497 | 259 | 648 | 26 |
500 | CRBC50050 | CRB50050 | 500 | 625 | 50 | 2.5 | 531 | 592 | 247 | 561 | 306 | 747 | 41.7 |
500 | CRBC50070 | CRB50070 | 500 | 680 | 70 | 2.5 | 530 | 633 | 536 | 1020 | 653 | 1330 | 86.1 |
600 | CRBC60040 | CRB60040 | 600 | 700 | 40 | 3 | 621 | 676 | 231 | 581 | 287 | 774 | 30.6 |
600 | CRBC60070 | CRB60070 | 600 | 780 | 70 | 3 | 630 | 734 | 591 | 1230 | 700 | 1540 | 102 |
600 | CRBC600120 | CRB600120 | 600 | 870 | 120 | 3 | 643 | 817 | 1250 | 2210 | 1490 | 2800 | 274 |
700 | CRBC70045 | CRB70045 | 700 | 815 | 45 | 3 | 730 | 785 | 250 | 681 | 301 | 917 | 46.5 |
700 | CRBC70070 | CRB70070 | 700 | 880 | 70 | 3 | 731 | 834 | 630 | 1390 | 766 | 1810 | 115 |
700 | CRBC700150 | CRB700150 | 700 | 1020 | 150 | 3 | 751 | 953 | 1660 | 3010 | 1980 | 3820 | 478 |
800 | CRBC80070 | CRB80070 | 800 | 950 | 70 | 4 | 831 | 907 | 417 | 1090 | 513 | 1440 | 109 |
800 | CRBC800100 | CRB800100 | 800 | 1030 | 100 | 4 | 840 | 972 | 936 | 2040 | 1140 | 2640 | 247 |