Products

Cross Roller Bearing

RB series RB series RB series

RB series

Crossed roller bearings are specialized bearings designed for applications where space is limited, yet high performance is essential. Among various types of crossed roller bearings, the RB series stands out due to its unique design and versatile applications. This blog post will explore the distinctive features, benefits, common applications, and popular models of the RB series crossed roller bearings.

Contact Now

Introduction

Crossed roller bearings are specialized bearings designed for applications where space is limited, yet high performance is essential. Among various types of crossed roller bearings, the RB series stands out due to its unique design and versatile applications. This blog post will explore the distinctive features, benefits, common applications, and popular models of the RB series crossed roller bearings.

Features of RB Series Crossed Roller Bearings

The RB series of crossed roller bearings is characterized by its innovative construction, which comprises two rings of rollers arranged in a crisscross pattern. This configuration allows the bearing to accommodate loads in multiple directions while maintaining high rigidity. Key features include:

  1. Compact Design: The structure of the RB series allows for a narrow axial width, making it an ideal choice for space-constrained environments.
  2. High Load Capacity: The crossed roller arrangement distributes loads evenly across the rollers, enabling the bearings to handle significant axial, radial, and moment loads without compromising performance.
  3. Precision Construction: Typically manufactured with high-grade materials, RB series bearings provide exceptional precision and durability, essential for high-speed and high-accuracy applications.
  4. Easy Installation: These bearings often come with integral mounting holes, simplifying installation and alignment in machinery.
  5. Low Friction: The design minimizes friction, resulting in smoother operation and reduced wear over time.

Advantages of RB Series Crossed Roller Bearings

The RB series offers numerous advantages that make them a preferred choice in various industries:

  1. High Rigidity and Stability: The crossed roller design ensures high rigidity, crucial for applications requiring precision and stability, such as CNC machinery and robotics.
  2. Versatility: RB series bearings are suitable for a wide range of applications, from industrial machinery to medical equipment, due to their ability to handle different load orientations.
  3. Reduced Maintenance: With excellent wear resistance and low friction, these bearings require less frequent maintenance, leading to reduced operational costs and improved reliability.
  4. Lower Noise Levels: The smooth and efficient operation of RB series bearings translates into lower noise levels, an essential consideration in many applications.
  5. Wide Operating Temperature Range: Being made from advanced materials allows for effective performance in a wider range of temperatures, enhancing their utility in various conditions.

Common Applications

The RB series crossed roller bearings are utilized in numerous applications across different industries, including:

– Robotics: Their compact design and high load capacity make them ideal for robotic joints and arms that require precise movements.

– CNC Machinery: The precision and stability of RB series bearings are paramount in CNC machines, where accuracy dictates the quality of workmanship.

– Medical Equipment: In devices such as MRI machines and surgical robots, the reliability and low maintenance of RB series bearings contribute to overall operational efficiency.

-Aerospace: These bearings are employed in critical aerospace components, providing the necessary performance under stringent conditions.

– Semiconductor Manufacturing: High precision is essential in this field, and the RB series bearings meet these demands admirably.

Popular Models of RB Series Crossed Roller Bearings

The RB series encompasses a variety of models to cater to different requirements. Some commonly used ones include:

  1. RB2008: This model features a compact size with a high load capacity, suitable for applications in automation and robotics.
  2. RB3010: Known for its versatility, the RB30 is widely used in CNC equipment and is designed for effective operation under moderate loads.
  3. RB4010: A heavier-duty model, the RB40 is often found in industries requiring robust performance, such as aerospace and heavy machinery.
  4. RB5013: This model is favored for precision applications, providing exceptional stability and low friction for high-speed operations.

Conclusion

The RB series crossed roller bearings represent a pinnacle of engineering design, offering a unique solution for a myriad of applications. Their compact structure, high load capacity, and versatility make them indispensable in modern industrial environments. As technology progresses and demands for precision and reliability increase, the RB series will continue to play a critical role in the development of future machinery and equipment. For anyone considering advanced bearing solutions, the RB series is undoubtedly an excellent choice that combines efficiency, durability, and precision.

Bearings inner ring outer ring Roller pitch circle diameter width Greasing hole Chamfer Shoulder height Basic load rating（radial） weight
d D  dp B B1 a-b r(min) ds Dh C C0 Kg
(mm) (mm) (mm) (mm) (mm) kN kN
20 RB2008 20 36 27 8 2-0.8 0.5 23.5 30.5 3.23 3.1 0.04
25 RB2508 25 41 32 8 2-0.8 0.5 28.5 35.5 3.63 3.83 0.05
30 RB3010 30 55 41.5 10 2.5-1 0.6 37 47 7.35 8.36 0.12
35 RB3510 35 60 46.5 10 2.5-1 0.6 41 51.5 7.64 9.12 0.13
40 RB4010 40 65 51.5 10 2.5-1 0.6 47.5 57.5 8.33 10.6 0.16
45 RB4510 45 70 56.5 10 2.5-1 0.6 51 61.5 8.62 11.3 0.17
50 RB5013 50 80 64 13 2.5-1.6 0.6 57.4 72 16.7 20.9 0.27
60 RB6013 60 90 74 13 2.5-1.6 0.6 68 82 18 24.3 0.3
70 RB7013 70 100 84 13 2.5-1.6 0.6 78 92 19.4 27.7 0.35
80 RB8016 80 120 98 16 3-1.6 0.6 91 111 30.1 42.1 0.7
90 RB9016 90 130 108 16 3-1.6 1 98 118 31.4 45.3 0.75
100 RB10016 100 140 119.3 16 3.5-1.6 1 109 129 31.7 48.6 0.83
100 RB10020 100 150 123 20 3.5-1.6 1 113 133 33.1 50.9 1.45
110 RB11012 110 135 121.8 12 2.5-1 1 117 127 12.5 24.1 0.4
110 RB11015 110 145 126.5 15 3.5-1.6 1.6 122 136 23.7 41.5 0.75
110 RB11020 110 160 133 20 3.5-1.6 1.6 120 143 34 54 1.56
120 RB12016 120 150 134.2 16 3.5-1.6 1.6 127 141 24.2 43.2 0.72
120 RB12025 120 180 148.7 25 3.5-2 2 133 164 66.9 100 2.62
130 RB13015 130 160 144.5 15 3.5-1.6 1.6 137 152 25 46.7 0.72
130 RB13025 130 190 158 25 3.5-2 2 143 174 69.5 107 2.82
140 RB14016 140 175 154.8 16 3.5-1.6 1.6 147 162 25.9 50.1 1
140 RB14025 140 200 168 25 3.5-2 2 154 185 74.8 121 2.96
150 RB15013 150 180 164 13 2.5-1.6 1.6 157 172 27 53.5 0.68
150 RB15025 150 210 178 25 3.5-2 2 164 194 76.8 128 3.16
150 RB15030 150 230 188 30 4.5-3 3 173 211 100 156 5.3
160 RB16025 160 220 188.6 25 3.5-2 2 173 204 81.7 135 3.14
170 RB17020 170 220 191 20 3.5-1.6 1.5 184 198 29 62.1 2.11
180 RB18025 180 240 210 25 3.5-2 1.5 195 225 84 143 3.44
190 RB19025 190 240 211.9 25 3.5-1.6 1 202 222 41.7 82.9 2.99
200 RB20025 200 260 230 25 3.5-2 2 215 245 84.2 157 4
200 RB20030 200 280 240 30 4.5-3 2 221 258 114 200 6.7
200 RB20035 200 295 247.7 35 5-3 2 225 270 151 252 9.6
220 RB22025 220 280 250.1 25 3.5-2 2 235 265 92.3 171 4.1
240 RB24025 240 300 269 25 3.5-2 2.5 256 281 68.3 145 4.5
250 RB25025 250 310 277.5 25 3.5-2 2.5 265 290 69.3 150 5
250 RB25030 250 330 287.5 30 4.5-3 2.5 269 306 126 244 8.1
250 RB25040 250 355 300.7 40 6-3.5 2.5 275 326 195 348 14.8
300 RB30025 300 360 328 25 3.5-2 2.5 315 340 76.3 178 5.9
300 RB30035 300 395 345 35 5-3 2.5 322 368 183 367 13.4
300 RB30040 300 405 351.6 40 6-3.5 2.5 326 377 212 409 17.2
350 RB35020 350 400 373.4 20 3.5-1.6 2.5 363 383 54.1 143 3.9
400 RB40035 400 480 440.3 35 5-3 2.5 422 459 156 370 14.5
400 RB40040 400 510 453.4 40 6-3.5 2.5 428 479 241 531 23.5
450 RB45025 450 500 474 25 3.5-1.6 1 464 484 61.7 182 6.6
500 RB50025 500 550 524.2 25 3.6-1.6 1 514 534 65.5 201 7.3
500 RB50040 500 600 548.8 40 6-3 2.5 526 572 239 607 26
500 RB50050 500 625 561.6 50 6-3.5 2.5 536 587 267 653 41.7
600 RB60040 600 700 650 40 6-3 3 627 673 264 721 29
700 RB70045 700 815 753.5 45 6-3 3 731 777 281 836 46
800 RB80070 800 950 868.1 70 6-4 4 836 900 468 1330 105
900 RB90070 900 1050 969 70 6-4 4 937 1001 494 1490 120
1000 RB1000110 1000 1250 1114 110 6-6 5 1057 1171 1220 3220 360
1250 RB1250110 1250 1500 1365.8 110 6-6 5 1308 1423 1350 3970 440

Related Products

  • CRB CRBC series

    CRB CRBC series

    Cross roller bearings are a pivotal component in various engineering applications, offering superior performance and reliability. Among the different types of cross roller bearings, the CRB and CRBC series stand out due to their unique design and operational advantages. In this blog, we will explore the characteristics, applications, benefits, and common models of these bearings.

    Learn More
  • SX series

    SX series

    Crossed roller bearings are pivotal components in various advanced machinery and equipment designs, amplifying mechanical performance and precision. Among the numerous types available, the SX series stands out due to its unique configuration and operational characteristics. This article aims to delve into the SX series of crossed roller bearings, highlighting their prominent features, widespread applications, significant advantages, and common models.

    Learn More