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Cross Roller Bearing

RE Series RE Series RE Series

RE Series

Cross roller bearings have gained remarkable popularity in various industries due to their unique design and performance capabilities. Among these, the RE series of cross roller bearings stands out for its robust characteristics and wide range of applications. In this article, we will explore the features, uses, advantages, and commonly used models of the RE series.

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Cross roller bearings have gained remarkable popularity in various industries due to their unique design and performance capabilities. Among these, the RE series of cross roller bearings stands out for its robust characteristics and wide range of applications. In this article, we will explore the features, uses, advantages, and commonly used models of the RE series.

Features of RE Series Cross Roller Bearings

The RE series cross roller bearings are characterized by their intricate design that utilizes cylindrical rollers arranged perpendicularly to one another. This design allows them to handle radial and axial loads simultaneously, making them ideal for high-precision applications. Key features of the RE series include:

  1. Compact Design: RE series bearings are typically compact, allowing for space-saving applications without compromising strength or reliability.
  2. High Load Capacity: With their optimized roller arrangement, these bearings can support significant loads, both radial and axial, making them suitable for demanding environments.
  3. Minimal Friction: The cross roller configuration reduces sliding friction, enhancing the efficiency of the bearing and extending its operational life.
  4. Reduced Noise: The design minimizes vibration and noise, making them ideal for applications requiring high precision and low operational sounds.
  5. Easy Installation: The RE series is designed for straightforward mounting, which eases installation processes while ensuring accurate alignment.

Applications of RE Series Cross Roller Bearings

The versatility of RE series cross roller bearings makes them suitable for a wide array of applications across different industries. Some notable applications include:

  1. Machine Tools: In CNC machines and precision grinding equipment, RE series bearings provide the necessary accuracy and stability during operation.
  2. Robotics: Their compact design and ability to handle complex loads make the RE series ideal for robotic arms and automation equipment, where space and precision are critical.
  3. Medical Equipment: In surgical instruments and imaging devices, these bearings ensure smooth movement and positioning, crucial for accurate diagnostics and treatments.
  4. Aerospace: RE series bearings are used in aircraft components where reliability and performance under extreme conditions are non-negotiable.
  5. Semiconductor Manufacturing: The precision and stability offered by the RE series are essential in cleanroom environments where microfabrication occurs.

Advantages of RE Series Cross Roller Bearings

The adoption of the RE series cross roller bearing is driven by several key advantages that enhance operational efficiency and reliability:

  1. High Precision: The design allows for minimal runout and increased accuracy in movement, which is vital for precision machinery.
  2. Durability: Constructed from high-quality materials, the RE series bearings exhibit excellent wear resistance, contributing to longer service life.
  3. Versatility: Their ability to accommodate diverse load types makes them adaptable to a variety of environments and applications.
  4. Energy Efficiency: The reduced friction translates into lower energy consumption, making these bearings a cost-effective choice for manufacturers seeking improved efficiency.
  5. Enhanced Safety: Their robust design minimizes the risk of failure, contributing to safer operational environments, especially in critical applications.

Common Models of RE Series Cross Roller Bearings

The RE series includes various models tailored to specific application requirements. Some of the most commonly used models are:

  1. RE25025: Featuring a bore diameter of 25 mm, this model is suitable for lightweight applications with moderate load requirements.
  2. RE30025: With a bore size of 30 mm, the RE 30 provides a balance between size and performance, ideal for minor to moderate precision tasks.
  3. R 40035: This model supports larger loads while maintaining high precision, making it perfect for heavier machinery and equipment.
  4. RE50025: With a 50 mm bore diameter, the RE 50 is designed for demanding applications in industrial settings, where both load capacity and precision are paramount.
  5. RE60040: The largest standard model in the series, the RE60, accommodates significant loads suitable for heavy machinery and complex engineering equipment.

Conclusion

The RE series cross roller bearings represent a pinnacle of engineering excellence, offering exceptional features that cater to various industries’ precise demands. Their unique design, coupled with significant advantages, makes them a reliable choice for applications requiring accuracy, compactness, and high performance. By understanding the characteristics, applications, advantages, and commonly used models of the RE series, engineers and manufacturers can make informed decisions, ensuring the effective integration of these bearings into their systems. As technology continues to evolve, the role of cross roller bearings, particularly the RE series, will undoubtedly become more prominent in shaping the future of industrial machinery and automation.

Shaft diameter Model No.  Major dimensions Shoulder
dimensions		  Basic load rating
(radial)		 Mass
Inner diameter
d		 Outer diameter
D		  Roller pitch circle diameter
dp		 Width
B B1		  Greasing hole Chamfer rmin ds Dh C
kN		 C0
kN		 kg
a b
20 RE2008 20 36 29 8 2 0.8 0.5 23.5 30.5 3.23 3.1 0.04
25 RE2508 25 41 34 8 2 0.8 0.5 28.5 35.5 3.63 3.83 0.05
30 RE3010 30 55 43.5 10 2.5 1 0.6 37 47 7.35 8.36 0.12
35 RE3510 35 60 48.5 10 2.5 1 0.6 41 51.5 7.64 9.12 0.13
40 RE4010 40 65 53.5 10 2.5 1 0.6 47.5 58 8.33 10.6 0.16
45 RE4510 45 70 58.5 10 2.5 1 0.6 51 61.5 8.62 11.3 0.17
50 RE5013 50 80 66 13 2.5 1.6 0.6 57.5 72 16.7 20.9 0.27
60 RE6013 60 90 76 13 2.5 1.6 0.6 68 82 18 24.3 0.3
70 RE7013 70 100 86 13 2.5 1.6 0.6 78 92 19.4 27.7 0.35
80 RE8016 80 120 101.4 16 3 1.6 0.6 91 111 30.1 42.1 0.7
90 RE9016 90 130 112 16 3 1.6 1 98 118 31.4 45.3 0.75
100 RE10016 100 140 121.1 16 3 1.6 1 109 129 31.7 48.6 0.83
100 RE10020 100 150 127 20 3.5 1.6 1 113 133 33.1 50.9 1.45
110 RE11012 110 135 123.3 12 2.5 1 0.6 117 127 12.5 24.1 0.4
110 RE11015 110 145 129 15 3 1.6 0.6 122 136 23.7 41.5 0.75
110 RE11020 110 160 137 20 3.5 1.6 1 120 140 34 54 1.56
120 RE12016 120 150 136 16 3 1.6 0.6 127 141 24.2 43.2 0.72
120 RE12025 120 180 152 25 3.5 2 1.5 133 164 66.9 100 2.62
130 RE13015 130 160 146 15 3 1.6 0.6 137 152 25 46.7 0.72
130 RE13025 130 190 162 25 3.5 2 1.5 143 174 69.5 107 2.82
140 RE14016 140 175 160 16 3 1.6 1 147 162 25.9 50.1 1
140 RE14025 140 200 172 25 3.5 2 1.5 154 185 74.8 121 2.96
150 RE15013 150 180 166 13 2.5 1.6 0.6 158 172 27 53.5 0.68
150 RE15025 150 210 182 25 3.5 2 1.5 164 194 76.8 128 3.16
150 RE15030 150 230 192 30 4.5 3 1.5 173 210 100 156 5.3
160 RE16025 160 220 192 25 3.5 2 1.5 173 204 81.7 135 3.14
170 RE17020 170 220 196.1 20 3.5 1.6 1.5 184 198 29 62.1 2.21
180 RE18025 180 240 210 25 3.5 2 1.5 195 225 84 143 3.44
190 RE19025 190 240 219 25 3.5 1.6 1 202 222 41.7 82.9 2.99
200 RE20025 200 260 230 25 3.5 2 2 215 245 84.2 157 4
200 RE20030 200 280 240 30 4.5 3 2 221 258 114 200 6.7
200 RE20035 200 295 247.7 35 5 3 2 225 270 151 252 9.6
220 RE22025 220 280 250.1 25 3.5 2 2 235 265 92.3 171 4.1
240 RE24025 240 300 272.5 25 3.5 2 2.5 256 281 68.3 145 4.5
250 RE25025 250 310 280.9 25 3.5 2 2.5 268 293 69.3 150 5
250 RE25030 250 330 287.5 30 4.5 3 2.5 269 306 126 244 8.1
250 RE25040 250 355 300.7 40 6 3.5 2.5 275 326 195 348 14.8
300 RE30025 300 360 332 25 3.5 2 2.5 319 344 75.5 178 5.9
300 RE30035 300 395 345 35 5 3 2.5 322 368 183 367 13.4
300 RE30040 300 405 351.6 40 6 3.5 2.5 326 377 212 409 17.2
350 RE35020 350 400 376.6 20 3.5 1.6 2.5 363 383 54.1 143 3.9
400 RE40035 400 480 440.3 35 3 3.5 3.5 422 459 156 370 14.5
400 RE40040 400 510 453.4 40 3.5 3.5 3.5 428 479 241 531 23.5
450 RE45025 450 500 476.6 25 1.5 1.5 1.5 464 484 61.7 182 6.6
500 RE50025 500 550 526.6 25 1.5 1.5 1.5 514 534 65.5 201 7.3
500 RE50040 500 600 548.8 40 3 3.5 3.5 526 572 239 607 26
500 RE50050 500 625 561.6 50 3.5 3.5 3.5 536 587 267 653 41.7
600 RE60040 600 700 650 40 3 4 4 627 673 264 721 29

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