RB

RB

The most commonly used materials and application selection references for QIBR cross cylindrical roller bearings RB series in commercial applications

The QIBR cross cylindrical roller bearing RB series is most suitable for parts that require inner ring rotation accuracy due to its integrated inner ring structure. 

The QIBR cross cylindrical roller bearing RB series usually uses AISI 52100 material, which has good wear resistance and strength, and is suitable for high load application environments.

The QIBR cross cylindrical roller bearing RB series is made of AISI440C stainless steel material and is suitable for applications in harsh environments.

The material selection of QIBR cross cylindrical roller bearings RB series depends on specific application requirements, including load, strength, environmental conditions, and other factors, to ensure the performance and service life of the bearings during use. Taking into account the above factors, it is possible to effectively select bearings that are suitable for application needs.


Standard:

GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN / VDEh

Material:

52100/100Cr6/SUJ2/Stainless Steel

Brand:

QIBR/OEM/Neutral

Package

QIBR/Standard Industrial Package/OEM

Inner Diameter

20~1250mm

Outer Diameter

36~1500mm

Application:

Aerospace Industry, Robotics, Medical Devices, Semiconductor Manufacturing Equipment, Optical Equipment, Industrial Machinery, Automotive, etc

RB

QIBR

Model Selection

Filters

NO. Product Product Number Mass Type Chamfer(r min) Inner Diameter(d) Outer Diameter(D) Width(B B1)
1 QRB QRB 2008 0.04kg Open 0.5 20mm 36 8mm
2 QRB QRB 2508 0.05kg Open 0.5 25mm 41 8mm
3 QRB QRB 3010 0.12kg Open 0.6 30mm 55 10mm
4 QRB QRB 3510 0.13kg Open 0.6 35mm 60 10mm
5 QRB QRB 4010 0.16kg Open 0.6 40mm 65 10mm
6 QRB QRB 4510 0.17kg Open 0.6 45mm 70 10mm
7 QRB QRB 5013 0.27kg Open 0.6 50mm 80 13mm
8 QRB QRB 6013 0.3kg Open 0.6 60mm 90 13mm
9 QRB QRB 7013 0.35kg Open 0.6 70mm 100 13mm
10 QRB QRB 8016 0.7kg Open 0.6 80mm 120 16mm
11 QRB QRB 9016 0.75kg Open 1 90mm 130 16mm
12 QRB QRB 10016 0.83kg Open 1 100mm 140 16mm
13 QRB QRB 10020 1.45kg Open 1 100mm 150 20mm
14 QRB QRB 11012 0.4kg Open 0.6 110mm 135 12mm
15 QRB QRB 11015 0.75kg Open 0.6 110mm 145 15mm
16 QRB QRB 11020 1.56kg Open 1 110mm 160 20mm
17 QRB QRB 12016 0.72kg Open 0.6 120mm 150 16mm
18 QRB QRB 12025 2.62kg Open 1.5 120mm 180 25mm
19 QRB QRB 13015 0.72kg Open 0.6 130mm 160 15mm
20 QRB QRB 13025 2.82kg Open 1.5 130mm 190 25mm
21 QRB QRB 14016 1kg Open 1 140mm 175 16mm
22 QRB QRB 14025 2.96kg Open 1.5 140mm 200 25mm
23 QRB QRB 15013 0.68kg Open 0.6 150mm 180 13mm
24 QRB QRB 15025 3.16kg Open 1.5 150mm 210 25mm
25 QRB QRB 15030 5.3kg Open 1.5 150mm 230 30mm
26 QRB QRB 16025 3.14kg Open 1.5 160mm 220 25mm
27 QRB QRB 17020 2.21kg Open 1.5 170mm 220 20mm
28 QRB QRB 18025 3.44kg Open 1.5 180mm 240 25mm
29 QRB QRB 19025 2.99kg Open 1 190mm 240 25mm
30 QRB QRB 20025 4kg Open 2 200mm 260 25mm
31 QRB QRB 20030 6.7kg Open 2 200mm 280 30mm
32 QRB QRB 20035 9.6kg Open 2 200mm 295 35mm
33 QRB QRB 22025 4.1kg Open 2 220mm 280 25mm
34 QRB QRB 24025 4.5kg Open 2.5 240mm 300 25mm
35 QRB QRB 25025 5kg Open 2.5 250mm 310 25mm
36 QRB QRB 25030 8.1kg Open 2.5 250mm 330 30mm
37 QRB QRB 25040 14.8kg Open 2.5 250mm 355 40mm
38 QRB QRB 30025 5.9kg Open 2.5 300mm 360 25mm
39 QRB QRB 30035 13.4kg Open 2.5 300mm 395 35mm
40 QRB QRB 30040 17.2kg Open 2.5 300mm 405 40mm
41 QRB QRB 35020 3.9kg Open 2.5 350mm 400 20mm
42 QRB QRB 40035 14.5kg Open 2.5 400mm 480 35mm
43 QRB QRB 40040 23.5kg Open 2.5 400mm 510 40mm
44 QRB QRB 45025 6.6kg Open 1 450mm 500 25mm
45 QRB QRB 50025 7.3kg Open 1 500mm 550 25mm
46 QRB QRB 50040 26kg Open 2.5 500mm 600 40mm
47 QRB QRB 50050 41.7kg Open 2.5 500mm 625 50mm
48 QRB QRB 60040 29kg Open 3 600mm 700 40mm
49 QRB QRB 70045 46kg Open 3 700mm 815 45mm
50 QRB QRB 80070 105kg Open 4 800mm 950 70mm
51 QRB QRB 90070 120kg Open 4 900mm 1050 70mm
52 QRB QRB 1000110 360kg Open 5 1000mm 1250 110mm
53 QRB QRB 1250110 440kg Open 5 1250mm 1500 110mm

Characteristics and advantages of QIBR cross cylindrical roller bearing RB series

The QIBR cross cylindrical roller bearing RB series has multiple significant characteristics and advantages, which solve key problems in various fields, mainly reflected in the following aspects;

1. The QIBR cross cylindrical roller bearing RB series has the characteristics of high rigidity and high load-bearing capacity

Although the QIBR cross cylindrical roller bearing RB series is compact in design, it has good rigidity and load-bearing capacity, making it suitable for high load applications.

2. The QIBR cross cylindrical roller bearing RB series has the characteristic of optimized structural design

The QIBR cross cylindrical roller bearing RB series inner ring can be designed as an integrated structure, making it the most suitable for parts that require inner ring rotation accuracy.

The QIBR cross cylindrical roller bearing RB series has the characteristics of low friction and high efficiency.

The QIBR cross cylindrical roller bearing RB series reduces bearing friction torque and is suitable for use with low driving torque requirements, improving the overall operating efficiency of the equipment.

3. QIBR Cross Cylindrical Roller Bearing RB Series Customized Service

The QIBR cross cylindrical roller bearing RB series usually provides customized services, which can design bearings according to specific needs, meet the special requirements and operating conditions.

Performance Enhancement and Solutions of QIBR Cross Cylindrical Roller Bearing RB Series

1. Effectively improving material properties and enhancing high load-bearing capacity

The production of QIBR cross cylindrical roller bearings RB series uses high-quality steel to manufacture the inner and outer rings and balls, and improves the surface hardness and material properties through vacuum heat treatment, enhancing the bearing's load capacity and service life.

2. Improve manufacturing accuracy and load capacity

The production of QIBR cross cylindrical roller bearings RB series adopts advanced processing equipment and technology from abroad, such as precision grinding, to improve the geometric accuracy of the inner and outer rings and balls, reduce processing errors, and thus improve the rotational accuracy and operational stability of the bearings.

3. Personalization

Provide personalized structural dimension solutions to meet specific performance requirements for QIBR cross cylindrical roller bearing RB series applications in different scenarios. This method not only enriches the standards of bearings, but also provides effective guidance for manufacturers to meet the personalized needs of users.

In summary, by optimizing materials, manufacturing accuracy, personalized design, and other measures, the performance of the QIBR cross cylindrical roller bearing RB series can be significantly improved to meet increasingly demanding application requirements.

The main application of QIBR cross cylindrical roller bearing RB series

Machine tool

The QIBR cross cylindrical roller bearing RB series can improve the machining accuracy of machine tools and ensure the production of high-quality parts. Cross roller bearings can simultaneously withstand large radial and axial loads. This makes them suitable for handling composite load situations in machine tools.

Rotating worktable

The QIBR cross cylindrical roller bearing RB series has extremely high rigidity and can effectively withstand loads from all directions, which enables the rotating worktable to maintain higher stability and accuracy during operation.

Medical equipment

The high rigidity and vibration resistance of the QIBR cross cylindrical roller bearing RB series enable it to provide stable support in medical equipment. This is particularly important for devices that require precise positioning and operation.