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

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Стандарт

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

Материал

GCr15

Бренд

QIBR/OEM/Neutral

Применения

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

Filters

NO. Product Product Number Наружный диаметр (d1) Диаметр отверстия втулки (d) Ширина (B) Базовая динамическая нагрузка Базовая статическая нагрузка Предел усталостной нагрузки (Pu)
1 NKI NKI 5/12TN 12 mm 3.8 KN 4.25 KN 0.465 KN
2 NKI NKI 5/16TN 16 mm 5.01 KN 5.85 KN 0.67 KN
3 NKI NKI 6/12TN 12 mm 4.4 KN 5.2 KN 0.57 KN
4 NKI NKI 6/16TN 16 mm 5.72 KN 7.2 KN 0.815 KN
5 NKI NKI 7/12TN 12 mm 4.57 KN 5.7 KN 0.63 KN
6 NKI NKI 7/16TN 16 mm 5.94 KN 8 KN 0.9 KN
7 NKI NKI 9/12 12 mm 6.71 KN 8.15 KN 0.965 KN
8 NKI NKI 9/16 16 mm 9.13 KN 12 KN 1.43 KN
9 NA4900/ NA4900 13 mm 8.8 KN 10.4 KN 1.22 KN
10 NA4900.2RS/ NA4900.2RS 13 mm 7.37 KN 8.15 KN 0.965 KN
11 NKI10/16/ NKI10/16 16 mm 10.2 KN 12.5 KN 1.5 KN
12 NKI10/20/ NKI10/20 20 mm 12.8 KN 16.6 KN 2 KN
13 NA4901/ NA4901 13 mm 9.9 KN 12.2 KN 1.46 KN
14 NA4901.2RS/ NA4901.2RS 14 mm 8.09 KN 9.65 KN 1.14 KN
15 NKI12/16/ NKI12/16 16 mm 11.7 KN 15.3 KN 1.8 KN
16 NKI12/20/ NKI12/20 20 mm 14.5 KN 20 KN 2.4 KN
17 NA6901/ NA6901 22 mm 16.1 KN 23.2 KN 2.75 KN
18 NKI15/16/ NKI15/16 16 mm 13.4 KN 19 KN 2.28 KN
19 NKI15/20/ NKI15/20 20 mm 16.5 KN 25.5 KN 3.05 KN
20 NA4902/ NA4902 13 mm 11.2 KN 15.3 KN 1.83 KN
21 NA4902.2RS/ NA4902.2RS 14 mm 9.13 KN 12 KN 1.43 KN
22 NA6902/ NA6902 23 mm 17.2 KN 27 KN 3.35 KN
23 NKIS15/ NKIS15 20 mm 24.6 KN 30 KN 3.65 KN
24 NA4903.2RS/ NA4903.2RS 14 mm 9.52 KN 12.9 KN 1.53 KN
24 NKI17/16/ NKI17/16 16 mm 13.8 KN 20.4 KN 2.45 KN
25 NKI17/20/ NKI17/20 20 mm 17.2 KN 27 KN 3.35 KN
26 NA4903/ NA4903 13 mm 11.4 KN 16.3 KN 1.96 KN
28 NA6903/ NA6903 23 mm 18.7 KN 30.5 KN 3.75 KN
29 NKIS17/ NKIS17 20mm 26kN 33.5kN 4kN
30 NKI NKI 20/16 16 mm 15.4 KN 24.5 KN 2.9 KN
31 NA4904/ NA4904 17 mm 21.6 KN 28 KN 3.35 KN
32 NA4904.2RS/ NA4904.2RS 18 mm 19.4 KN 22.4 KN 2.65 KN
33 NA6904/ NA6904 30 mm 35.2 KN 53 KN 6.55 KN
34 NKIS NKIS 20 20 mm 28.6 KN 39k KN 4.75 KN
36 NKI NKI 22/16 16 mm 15.7 KN 26 KN 3.1 KN
37 NKI NKI 22/20 20 mm 19.4 KN 34.5 KN 4.25 KN
38 NA49/22/ NA49/22 17 mm 23.3 KN 32 KN 3.9 KN
39 NA69/22/ NA69/22 30 mm 36.9 KN 57 KN 7.2 KN
40 NKI25/20TN/ NKI25/20TN 20 mm 24.6 KN 42.5 KN 5.2 KN
41 NKI25/30/ NKI25/30 30 mm 31.9 KN 60 KN 7.5 KN
42 NA4905/ NA4905 17 mm 24.2 KN 34.5 KN 4.15 KN
43 NA4905.2RS/ NA4905.2RS 18 mm 21.6 KN 27.5 KN 3.25 KN
44 NA6905/ NA6905 30 mm 38 KN 62 KN 7.65 KN
45 NKIS25/ NKIS25 22 mm 34.1 KN 46.5 KN 5.7 KN
46 NKI28/20TN/ NKI28/20TN 20 mm 26.4 KN 48 KN 6 KN
47 NKI28/30/ NKI28/30 30 mm 34.1 KN 65.5 KN 8.3 KN
48 NA NA 49/28 17 mm 25.1 KN 36.5 KN 4.4 KN
49 NA NA 69/28 30 mm 39.6 KN 65.5 KN 8.3 KN
50 NKI NKI 30/20TN 20 mm 27.5 KN 52 KN 6.55 KN
51 NKI NKI 30/30TN 30 mm 40.2 KN 85k KN 10.6 KN
52 NA4906/ NA4906 17 mm 25.5 KN 39 KN 4.65 KN
53 NA4906.2RS/ NA4906.2RS 18 mm 23.3 KN 32 KN 3.8 KN
54 NA6906/ NA6906 30 mm 42.9 KN 75 KN 9.3 KN
55 NKIS30/ NKIS30 22 mm 36.9 KN 54 KN 6.55 KN
56 NKI32/20/ NKI32/20 20 mm 25.1 KN 46.5 KN 5.85 KN
57 NKI32/30/ NKI32/30 30 mm 36.9 KN 76.5 KN 9.5 KN
58 NA NA 49/32 20 mm 30.8 KN 51 KN 6.3 KN
59 NA NA 69/32 36 mm 47.3 KN 90 KN 10.8 KN
60 NKI NKI 35/20TN 20 mm 29.7 KN 60 KN 7.5 KN
61 NKI NKI 35/30 30 mm 38 KN 83 KN 10.4 KN
62 NA4907/ NA4907 20 mm 31.9 KN 54 KN 6.7 KN
63 NA4907.2RS/ NA4907.2RS 21 mm 27 KN 43 KN 5.3 KN
64 NA NA 6907 36 mm 48.4 KN 93 KN 11.4 KN
65 NKIS35/ NKIS35 22 mm 39.1 KN 61 KN 7.5 KN
66 NKI NKI 38/20 20 mm 27.5 KN 55 KN 6.8 KN
67 NKI NKI 38/30 30 mm 40.2 KN 90 KN 11.2 KN
68 NKI NKI 40/20TN 20 mm 31.4 KN 65.5 KN 8.3 KN
69 NKI NKI 40/30TN 30 mm 45.7 KN 108 KN 13.7 KN
70 NA4908/ NA4908 22 mm 42.9 KN 71 KN 8.8 KN
72 NA4908.2RS/ NA4908.2RS 23 mm 36.9 KN 58.5 KN 7.1 KN
73 NA NA 6908 40 mm 67.1 KN 125 KN 15.3 KN
74 NKIS NKIS 40 22 mm 42.9 KN 72 KN 8.8 KN
75 NKI NKI 42/20 20 mm 29.2 KN 61 KN 7.65 KN
76 NKI NKI 42/30 30 mm 41.8 KN 98 KN 12.5 KN
77 NKI NKI 45/25TN 25 mm 42.9 KN 91.5 KN 11.2 KN
78 NKI NKI 45/35TN 35 mm 58.3 KN 137 KN 17 KN
79 NA4909/ NA4909 22 mm 45.7 KN 78 KN 9.65 KN
80 NA4909.2RS/ NA4909.2RS 23 mm 39.1 KN 64 KN 7.8 KN
81 NA NA 6909 40 mm 70.4 KN 137 KN 17 KN
83 NKIS NKIS 45 22 mm 44.6 KN 78 KN 9.8 KN
84 NKI NKI 50/25 25 mm 40.2 KN 88 KN 10.8 KN
85 NKI NKI 50/35 35 mm 52,3 KN 122 KN 15.3 KN
86 NA4910/ NA4910 22 mm 47.3 KN 85 KN 10.6 KN
87 NA4910.2RS/ NA4910.2RS 23 mm 40.2 KN 69.5 KN 8.5 KN
88 NA NA 6910 40 mm 73.7 KN 150 KN 18.6 KN
89 NKIS50/ NKIS50 28 mm 62.7 KN 104 KN 13.2 KN
90 NKI NKI 55/25TN 25 mm 46.8 KN 110 KN 13.4 KN
91 NKI NKI 55/35 35 mm 55 KN 134 KN 17 KN
92 NA4911/ NA4911 25 mm 57.2 KN 106 KN 13.2 KN
93 NA NA 6911 45 mm 89.7 KN 190 KN 23.2 KN
94 NKIS55/ NKIS55 28 mm 66 KN 114 KN 14.6 KN
95 NKI NKI 60/25 25 mm 44 KN 95 KN 11.8 KN
96 NKI NKI 60/35 35 mm 60.5 KN 146 KN 18.3 KN
97 NA4912/ NA4912 25 mm 60.5 KN 114 KN 14.3 KN
98 NA NA 6912 45 mm 93.5 KN 204 KN 25 KN
99 NKIS NKIS 60 28 mm 68.2 KN 120 KN 15.3 KN
100 NKI65/25/ NKI65/25 25 mm 52.8 KN 106 KN 13.2 KN
101 NA4913/ NA4913 25 mm 61.6 KN 120 KN 14.6 KN
102 NKI65/35/ NKI65/35 35 mm 73.7 KN 163 KN 20.4 KN
103 NA NA 6913 45 mm 95.2 KN 212 KN 26 KN

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.