Needle roller / Angular Contact Ball Bearings

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Standard

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

Material

GCr15

Brand

QIBR/OEM/Neutral

Applications

Automotive Industry, Aerospace Industry, Industrial Machinery, Construction and Agricultural Equipment, Household Appliances, Marine Industry, Medical Equipment, etc

Filters

NO. Product Product Number Bore Outer diameter (D) Width (B) Mass Limiting speed Basic dynamic load rating
1 NKIA NKIA 5901 12 mm 24 mm 16 mm 0.04 kg 26000 rpm 8.09 KN
2 NKIA NKIA 5902 15 mm 28 mm 18 mm 0.05 kg 22000 rpm 11.2 KN
3 NKIA NKIA 5903 17 mm 30 mm 18 mm 0.056 kg 20000 rpm 11.4 KN
4 NKIA NKIA 5904 20 mm 37 mm 23 mm 0.1 kg 17000 rpm 21.6 KN
5 NKIA NKIA 59/22 22 mm 39 mm 23 mm 0.12 kg 15000 rpm 23.3 KN
6 NKIA NKIA 5905 25 mm 42 mm 23 mm 0.13 kg 15000 rpm 24.2 KN
7 NKIA NKIA 5906 30 mm 47 mm 23 mm 0.15 kg 13000 rpm 25.5 KN
8 NKIA NKIA 5907 35 mm 55 mm 27 mm 0.24 kg 11000 rpm 31.9 KN
9 NKIA NKIA 5908 40 mm 62 mm 30 mm 0.32 kg 9500 rpm 42.9 KN
10 NKIA NKIA 5909 45 mm 68 mm 30 mm 0.38 kg 8500 rpm 45.7 KN
11 NKIA NKIA 5910 50 mm 72 mm 30 mm 0.38 kg 8000 rpm 47.3 KN
12 NKIA NKIA 5911 55 mm 80 mm 34 mm 0.55 kg 7000 rpm 57.2 KN
13 NKIA NKIA 5912 60 mm 85 mm 34 mm 0.59 kg 6700 rpm 60.5 KN
14 NKIA NKIA 5913 65 mm 90 mm 34 mm 0.64 kg 6300 rpm 61.6 KN
15 NKIA NKIA 5914 70 mm 100 mm 40 mm 0.98 kg 5600 rpm 84.2 KN
16 NKIB NKIB 5901 12 mm 24 mm 17.5 mm 0.043 kg 26000 rpm 8.09 KN
17 NKIB NKIB 5902 15 mm 28 mm 20 mm 0.052 kg 22000 rpm 11.2 KN
18 NKIB NKIB 5903 17 mm 30 mm 20 mm 0.058 kg 20000 rpm 11.4 KN
19 NKIB NKIB 5904 20 mm 37 mm 25 mm 0.11 kg 17000 rpm 21.6 KN
20 NKIB NKIB 59/22 22 mm 39 mm 25 mm 0.12 kg 15000 rpm 23.3 KN
21 NKIB NKIB 5905 25 mm 42 mm 25 mm 0.13 kg 15000 rpm 24.2 KN
22 NKIB NKIB 5906 30 mm 47 mm 25 mm 0.15 kg 13000 rpm 25.5 KN
23 NKIB NKIB 5907 35 mm 55 mm 30 mm 0.25 kg 11000 rpm 31.9 KN
24 NKIB NKIB 5908 40 mm 62 mm 34 mm 0.32 kg 9500 rpm 42.9 KN
25 NKIB NKIB 5909 45 mm 68 mm 34 mm 0.38 kg 9500 rpm 45.7 KN
26 NKIB NKIB 5910 50 mm 72 mm 34 mm 0.39 kg 8000 rpm 47.3 KN
27 NKIB NKIB 5911 55 mm 80 mm 38 mm 0.56 kg 7000 r/min 57.2 KN
28 NKIB NKIB 5912 60 mm 85 mm 38 mm 0.6 kg 6700 rpm 60.5 KN
29 NKIB NKIB 5913 65 mm 90 mm 38 mm 0.64 kg 6300 rpm 61.6 KN
30 NKIB NKIB 5914 70 mm 100 mm 45 mm 0.99 kg 5600 rpm 84.2 KN

Features and advantages of QIBR needle roller / angular contact ball bearings

QIBR needle roller / angular contact ball bearings address several critical issues in diverse fields, mainly in the following areas:

1. Capability to handle composite loads

This type of bearing can simultaneously handle radial and axial loads, making it suitable for complex environments where both types of forces act together, especially in applications requiring torque and radial force handling.

2. Space-saving and simplified design

Because these bearings manage both radial and axial loads, there is no need for multiple bearings to handle different load types, saving installation space.

In compact designs, using this combination bearing can significantly simplify the assembly process, reduce the number of components, and lower manufacturing and maintenance costs.

3. High precision and stability

Angular contact ball bearings offer high precision and stability, maintaining low friction and high operational accuracy at high speeds. When combined with needle roller bearings, this type of bearing ensures efficient operation under high load conditions, making it suitable for applications requiring precision.

4. Strong adaptability

These bearings can adapt to complex working environments, functioning effectively under high loads, vibrations, impacts, and changing load directions.

Performance improvements and solutions for QIBR needle roller / angular contact ball bearings

1. Improved materials

High-performance material selection: Utilizing materials with greater hardness, wear resistance, and corrosion resistance to significantly enhance durability and stability.

2. Optimized cage design

Cage structure optimization: Redesigning the cage structure for better needle roller arrangement and uniform load distribution. Improving the cage structure reduces roller collisions, enhancing operational stability and efficiency.

3. Enhanced lubrication performance

Efficient lubricants: Using greases or oils designed for high-temperature and high-pressure environments ensures consistent lubricant performance during extended operations, reducing friction and improving durability.

4. Increased precision

Precision machining techniques: Enhancing manufacturing accuracy reduces errors between bearing components, ensuring more uniform and stable contact between the rollers and the cage. This improves performance, extends service life, and reduces noise and vibration.

Main application areas of QIBR needle roller / angular contact ball bearings

1. Automatic transmissions

These bearings are used in automatic transmissions to handle significant axial and radial loads, ensuring smooth operation of the transmission system.

2. High-precision machine tools

In precision CNC machine tools, particularly in high-speed spindles, these bearings provide high rigidity and precision, ensuring the machining accuracy and stability of the machine tool.

3. Robotic arms

In industrial robots, especially in joints that require high load capacity, these bearings provide higher torque capacity, ensuring the flexibility and stability of robotic arms.

4. High-speed rotating equipment

In high-performance sports equipment such as skiing, racing, and marine equipment, these bearings provide precise rotational control and stability, ensuring performance and safety.