Needle roller / Angular Contact Ball Bearings

QIBR offers two series of unsealed combined needle roller and angular contact ball bearings. The NKIA 59 series bearings can withstand unidirectional axial loads, while the NKIB 59 series bearings can withstand axial loads in both directions. These combined bearings consist of a radial needle roller bearing and an angular contact ball bearing, where the needle roller bearing handles high radial loads and the angular contact ball bearing handles light axial loads. With a low cross-section, they can operate at high speeds. These bearings are separable, allowing the inner ring to be installed separately from the outer ring, rolling elements, and cage assembly. Depending on the application, they can be lubricated with either grease or oil. When using grease lubrication, both the needle roller bearing and the angular contact ball bearing should be filled with the same grease before installation.

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Характеристики

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

Подбор моделей QIBR

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Подбор моделей QIBR
№	Модель продукта	Inner diameter	Outer diameter	Total width	Weight	Limiting speed
1	NKIA 59/22	22 mm	39 mm	23 mm	0.12 kg	15000 rpm
2	NKIA 5901	12 mm	24 mm	16 mm	0.04 kg	26000 rpm
3	NKIA 5902	15 mm	28 mm	18 mm	0.05 kg	22000 rpm
4	NKIA 5903	17 mm	30 mm	18 mm	0.056 kg	20000 rpm
5	NKIA 5904	20 mm	37 mm	23 mm	0.1 kg	17000 rpm
6	NKIA 5905	25 mm	42 mm	23 mm	0.13 kg	15000 rpm
7	NKIA 5906	30 mm	47 mm	23 mm	0.15 kg	13000 rpm
8	NKIA 5907	35 mm	55 mm	27 mm	0.24 kg	11000 rpm
9	NKIA 5908	40 mm	62 mm	30 mm	0.32 kg	9500 rpm
10	NKIA 5909	45 mm	68 mm	30 mm	0.38 kg	8500 rpm
11	NKIA 5910	50 mm	72 mm	30 mm	0.38 kg	8000 rpm
12	NKIA 5911	55 mm	80 mm	34 mm	0.55 kg	7000 rpm
13	NKIA 5912	60 mm	85 mm	34 mm	0.59 kg	6700 rpm
14	NKIA 5913	65 mm	90 mm	34 mm	0.64 kg	6300 rpm
15	NKIA 5914	70 mm	100 mm	40 mm	0.98 kg	5600 rpm
16	NKIB 59/22	22 mm	39 mm	25 mm	0.12 kg	15000 rpm
17	NKIB 5901	12 mm	24 mm	17.5 mm	0.043 kg	26000 rpm
18	NKIB 5902	15 mm	28 mm	20 mm	0.052 kg	22000 rpm
19	NKIB 5903	17 mm	30 mm	20 mm	0.058 kg	20000 rpm
20	NKIB 5904	20 mm	37 mm	25 mm	0.11 kg	17000 rpm
21	NKIB 5905	25 mm	42 mm	25 mm	0.13 kg	15000 rpm
22	NKIB 5906	30 mm	47 mm	25 mm	0.15 kg	13000 rpm
23	NKIB 5907	35 mm	55 mm	30 mm	0.25 kg	11000 rpm
24	NKIB 5908	40 mm	62 mm	34 mm	0.32 kg	9500 rpm
25	NKIB 5909	45 mm	68 mm	34 mm	0.38 kg	8500 rpm

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

Подбор моделей QIBR

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

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

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

3. Enhanced lubrication performance

4. Increased precision