Needle Roller Bearings With Machined Rings With Flanges, With An Inner Ring

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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
1 NKI NKI 5/12 TN 5 mm 15 mm 12 mm 0.012 kg 36000 rpm
2 NKI NKI 5/16 TN 5 mm 15 mm 16 mm 0.015 kg 36000 rpm
3 NKI NKI 6/12 TN 6 mm 16 mm 12 mm 0.014 kg 34000 rpm
4 NKI NKI 6/16 TN 6 mm 16 mm 16 mm 0.017 kg 34000 rpm
5 NKI NKI 7/12 TN 7 mm 17 mm 12 mm 0.014 kg 32000 rpm
6 NKI NKI 7/16 TN 7 mm 17 mm 16 mm 0.018 kg 32000 rpm
7 NKI NKI 9/12 9 mm 19 mm 12 mm 0.017 kg 30000 rpm
8 NKI NKI 9/16 9 mm 19 mm 16 mm 0.022 kg 30000 rpm
9 NA NA 4900 10 mm 22 mm 13 mm 0.024 kg 28000 rpm
10 NA NA 4900.2RS 10 mm 22 mm 14 mm 0.025 kg 12000 rpm
11 NKI NKI 10/16 10 mm 22 mm 16 mm 0.029 kg 28000 rpm
12 NKI NKI 10/20 10 mm 22 mm 20 mm 0.037 kg 28000 rpm
13 NA NA 4901 12 mm 24 mm 13 mm 0.026 kg 26000 rpm
14 NA NA 4901.2RS 12 mm 24 mm 14 mm 0.028 kg 11000 rpm
15 NKI NKI 12/16 12 mm 24 mm 16 mm 0.033 kg 26000 rpm
16 NKI NKI 12/20 12 mm 24 mm 20 mm 0.042 kg 26000 rpm
17 NA NA 6901 12 mm 24 mm 22 mm 0.046 kg 26000 rpm
18 NKI NKI 15/16 15 mm 27 mm 16 mm 0.039 kg 24000 rpm
19 NKI NKI 15/20 15 mm 27 mm 20 mm 0.049 kg 24000 rpm
20 NA NA 4902 15 mm 28 mm 13 mm 0.034 kg 22000 rpm
21 NA NA 4902.2RS 15 mm 28 mm 14 mm 0.037 kg 9500 rpm
22 NA NA 6902 15 mm 28 mm 23 mm 0.064 kg 22000 rpm
23 NKIS NKIS 15 15 mm 35 mm 20 mm 0.092 kg 19000 rpm
24 NKI NKI 17/16 17 mm 29 mm 16 mm 0.042 kg 22000 rpm
25 NA NA 4903.2RS 17 mm 30 mm 14 mm 0.04 kg 9000 rpm
26 NKI NKI 17/20 17 mm 29 mm 20 mm 0.053 kg 22000 rpm
27 NA NA 4903 17 mm 30 mm 13 mm 0.038 kg 20000 rpm
28 NA NA 6903 17 mm 30 mm 23 mm 0.072 kg 20000 rpm
29 NKIS NKIS 17 17 mm 37 mm 20 mm 0.098 kg 17000 rpm
30 NKI NKI 20/16 20 mm 32 mm 16 mm 0.048 kg 19000 rpm
31 NKI NKI 20/20 20 mm 32 mm 20 mm 0.06 kg 19000 rpm
32 NA NA 4904 20 mm 37 mm 17 mm 0.075 kg 17000 rpm
33 NA NA 4904.2RS 20 mm 37 mm 18 mm 0.08 kg 7500 rpm
34 NA NA 6904 20 mm 37 mm 30 mm 0.14 kg 17000 rpm
35 NKIS NKIS 20 20 mm 42 mm 20 mm 0.13 kg 15000 rpm
36 NKI NKI 22/16 22 mm 34 mm 16 mm 0.052 kg 17000 rpm
37 NKI NKI 22/20 22 mm 34 mm 20 mm 0.065 kg 17000 rpm
38 NA NA 49/22 22 mm 39 mm 17 mm 0.08 kg 15000 rpm
39 NA NA 69/22 22 mm 39 mm 30 mm 0.15 kg 15000 rpm
40 NKI NKI 25/20 TN 25 mm 38 mm 20 mm 0.08 kg 15000 rpm
41 NKI NKI 25/30 25 mm 38 mm 30 mm 0.12 kg 15000 rpm
42 NA NA 4905 25 mm 42 mm 17 mm 0.088 kg 15000 rpm
43 NA NA 4905.2RS 25 mm 42 mm 18 mm 0.09 kg 63000 rpm
44 NA NA 6905 25 mm 42 mm 30 mm 0.16 kg 15000 rpm
45 NKIS NKIS 25 25 mm 47 mm 22 mm 0.16 kg 13000 rpm
46 NKI NKI 28/20 TN 28 mm 42 mm 20 mm 0.092 kg 14000 rpm
47 NKI NKI 28/30 28 mm 42 mm 30 mm 0.14 kg 14000 rpm
48 NA NA 49/28 28 mm 45 mm 17 mm 0.098 kg 14000 rpm
49 NA NA 69/28 28 mm 45 mm 30 mm 0.18 kg 14000 rpm
50 NKI NKI 30/20 TN 30 mm 45 mm 20 mm 0.11 kg 13000 rpm
51 NKI NKI 30/30 TN 30 mm 45 mm 30 mm 0.17 kg 13000 rpm
52 NA NA 4906 30 mm 47 mm 17 mm 0.1 kg 13000 rpm
53 NA NA 4906.2RS 30 mm 47 mm 18 mm 0.1 kg 56000 rpm
54 NA NA 6906 30 mm 47 mm 30 mm 0.19 kg 13000 rpm
55 NKIS NKIS 30 30 mm 52 mm 22 mm 0.18 kg 12000 rpm
56 NKI NKI 32/20 32 mm 47 mm 20 mm 0.11 kg 12000 rpm
57 NKI NKI 32/30 32 mm 47 mm 30 mm 0.17 kg 12000 rpm
58 NA NA 49/32 32 mm 52 mm 20 mm 0.16 kg 11000 rpm
59 NA NA 69/32 32 mm 52 mm 36 mm 0.29 kg 11000 rpm
60 NKI NKI 35/20 TN 35 mm 50 mm 20 mm 0.12 kg 11000 rpm
61 NKI NKI 35/30 35 mm 50 mm 30 mm 0.19 kg 11000 rpm
62 NA NA 4907 35 mm 55 mm 20 mm 0.17 kg 11000 rpm
63 NA NA 4907.2RS 35 mm 55 mm 21 mm 0.18 kg 48000 rpm
64 NA NA 6907 35 mm 55 mm 36 mm 0.31 kg 11000 rpm
65 NKIS NKIS 35 35 mm 58 mm 22 mm 0.22 kg 10000 rpm
66 NKI NKI 38/20 38 mm 53 mm 20 mm 0.13 kg 11000 rpm
67 NKI NKI 38/30 38 mm 53 mm 30 mm 0.21 kg 11000 rpm
68 NKI NKI 40/20 TN 40 mm 55 mm 20 mm 0.14 kg 10000 rpm
69 NKI NKI 40/30 TN 40 mm 55 mm 30 mm 0.22 kg 10000 rpm
70 NA NA 4908 40 mm 62 mm 22 mm 0.23 kg 9500 rpm
71 NA NA 4908.2RS 40 mm 62 mm 23 mm 0.25 kg 4000 rpm
72 NA NA 6908 40 mm 62 mm 40 mm 0.43 kg 9500 rpm
73 NKIS NKIS 40 40 mm 65 mm 22 mm 0.28 kg 9000 rpm
74 NKI NKI 42/20 42 mm 57 mm 20 mm 0.14 kg 10000 rpm
75 NKI NKI 42/30 42 mm 57 mm 30 mm 0.22 kg 10000 rpm
76 NKI NKI 45/25 TN 45 mm 62 mm 25 mm 0.22 kg 9000 rpm
77 NKI NKI 45/35 TN 45 mm 62 mm 35 mm 0.31 kg 9000 rpm
78 NA NA 4909 45 mm 68 mm 22 mm 0.27 kg 8500 rpm
79 NA NA 4909.2RS 45 mm 68 mm 23 mm 0.29 kg 3800 rpm
80 NA NA 6909 45 mm 68 mm 40 mm 0.5 kg 8500 rpm
81 NKIS NKIS 45 45 mm 72 mm 22 mm 0.34 kg 8000 rpm
82 NKI NKI 50/25 50 mm 68 mm 25 mm 0.26 kg 8500 rpm
83 NKI NKI 50/35 50 mm 68 mm 35 mm 0.36 kg 8500 rpm
84 NA NA 4910 50 mm 72 mm 22 mm 0.27 kg 8000 rpm
85 NA NA 4910.2RS 50 mm 72 mm 23 mm 0.3 kg 3400 rpm
86 NA NA 6910 50 mm 72 mm 40 mm 0.52 kg 8000 rpm
87 NKIS NKIS 50 50 mm 80 mm 28 mm 0.52 kg 7500 rpm
88 NKI NKI 55/25 TN 55 mm 72 mm 25 mm 0.26 kg 7500 rpm
89 NKI NKI 55/35 55 mm 72 mm 35 mm 0.36 kg 7500 rpm
90 NA NA 4911 55 mm 80 mm 25 mm 0.39 kg 7000 rpm
91 NA NA 6911 55 mm 80 mm 45 mm 0.78 kg 7000 rpm
92 NKIS NKIS 55 55 mm 85 mm 28 mm 0.56 kg 6700 rpm
93 NKI NKI 60/25 60 mm 82 mm 25 mm 0.39 kg 6700 rpm
94 NKI NKI 60/35 60 mm 82 mm 35 mm 0.55 kg 6700 rpm
95 NA NA 4912 60 mm 85 mm 25 mm 0.43 kg 6700 rpm
96 NA NA 6912 60 mm 85 mm 45 mm 0.81 kg 6700 rpm
97 NKIS NKIS 60 60 mm 90 mm 28 mm 0.56 kg 6300 rpm
98 NKI NKI 65/25 65 mm 90 mm 25 mm 0.46 kg 6300 rpm
99 NA NA 4913 65 mm 90 mm 25 mm 0.46 kg 6300 rpm
100 NKI NKI 65/35 65 mm 90 mm 35 mm 0.66 kg 6300 rpm

Features and advantages of QIBR machine-cut rings, needle roller bearings with ribs and inner rings

QIBR machine-cut rings, needle roller bearings with ribs and inner rings solve multiple key problems in various fields, mainly reflected in the following aspects:

1. Compact structure

Due to the use of needle rollers as rolling elements, machine-cut rings, needle roller bearings with ribs and inner rings have a relatively small volume while carrying large radial loads, and can be installed in a limited space, which is particularly suitable for compact mechanical design.

2. Low friction and high efficiency

Due to the precision design between the needle rollers and the cage, machine-cut rings, needle roller bearings with ribs and inner rings have lower friction losses, reduced heat generation, and improved working efficiency. This makes it suitable for high-speed, high-efficiency working environments.

3. Strong durability

The cage can maintain the stable position of the needle rollers, reduce mutual contact and wear between the needle rollers, and thus extend the service life of the bearings. Reasonable clearance and precision design ensure the stability and reliability of the bearings at work.

4. Low noise and vibration

Due to the reasonable structural design between the needle roller and the cage, the possibility of contact between the needle rollers is reduced, and the noise and vibration of the bearing are reduced, so it is suitable for working environments that require low noise.

5. Adapt to high speed

Due to the small shape of the needle roller and the small contact area, the machined ring, the needle roller bearing with ribs and inner ring are suitable for high speed applications and are not prone to excessive friction or overheating due to excessive speed.


The performance improvement and solution of QIBR machined ring, needle roller bearing with flange and inner ring

1. Improved materials

Selection of high-performance materials: Using materials with higher hardness, wear resistance and corrosion resistance can significantly improve the durability and stability of bearings.

2. Optimized cage design

Cage structure optimization: Optimize the cage structure design to achieve better needle roller arrangement and uniform load distribution. Improving the cage structure can reduce the mutual collision of needle rollers and improve running stability and efficiency.

Reduced contact area: By optimizing the geometry of the cage and the arrangement of the needle rollers, the contact area between the needle rollers is reduced, thereby reducing friction and wear.

3. Improved lubrication performance

High-efficiency lubricating materials: Use grease or lubricating oil that is more suitable for high temperature and high pressure environments to ensure that the lubricating oil can maintain stable performance under long-term work, thereby reducing bearing friction and improving durability.

4. Improved precision

By improving manufacturing precision, reducing the gap and error between bearing components, and ensuring that the contact between the needle roller and the cage is more uniform and stable. This can not only improve the performance of the bearing, but also extend the service life and reduce noise and vibration.


Main application areas of QIBR machined rings, needle roller bearings with ribs and inner rings

1. Agricultural machinery

Agricultural equipment: In heavy agricultural machinery such as tractors, tillers, harvesters, etc., machined rings, needle roller bearings with ribs and inner rings are used to provide strong load-bearing capacity and help reduce space occupation so as to adapt to small mechanical spaces.

2. Industrial machinery

Reducers and transmission devices: Machined rings, needle roller bearings with ribs and inner rings are widely used in reducers, gear transmission systems, etc., which can withstand large radial loads, reduce space occupation, and improve transmission efficiency.

Automation equipment: In the transmission system of automated production lines, machined rings, needle roller bearings with ribs and inner rings are used to support rotating parts to ensure the accuracy and stability of the equipment.

3. Aircraft engines

Machined rings, needle roller bearings with ribs and inner rings are often used on turbine shafts, turbines and other rotating parts in aircraft engines to ensure smooth operation at high speeds and withstand radial loads generated during high-speed rotation.

4. Washing machine

In the motor and transmission system of the washing machine, needle bearings play a role in supporting and reducing friction.