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
101 NA NA 6913 65 mm 90 mm 45 mm 0.83 kg 6300 rpm
102 NKIS NKIS 65 65 mm 95 mm 28 mm 0.64 kg 6000 rpm
103 NKI NKI 70/25 70 mm 95 mm 25 mm 0.51 kg 5600 rpm
104 NKI NKI 70/35 70 mm 95 mm 35 mm 0.72 kg 5600 rpm
105 NA NA 4914 70 mm 100 mm 30 mm 0.73 kg 5600 rpm
106 NA NA 6914 70 mm 100 mm 54 mm 1.35 kg 5600 rpm
107 NKI NKI 75/25 75 mm 105 mm 25 mm 0.64 kg 5300 rpm
108 NA NA 4915 75 mm 105 mm 30 mm 0.78 kg 5300 rpm
109 NKI NKI 75/35 75 mm 105 mm 35 mm 0.91 kg 5300 rpm
110 NA NA 6915 75 mm 105 mm 54 mm 1.45 kg 5300 rpm
111 NKI NKI 80/25 80 mm 110 mm 25 mm 0.68 kg 5000 rpm
112 NA4916/ NA4916 80 mm 110 mm 30 mm 0.88 kg 5000 rpm
113 NKI NKI 80/35 80 mm 110 mm 35 mm 0.96 kg 5000 rpm
114 NA NA 6916 80 mm 110 mm 54 mm 1.5 kg 5000 rpm
115 NKI NKI 85/26 85 mm 115 mm 26 mm 0.74 kg 4800 rpm
116 NKI NKI 85/36 85 mm 115 mm 36 mm 1.05 kg 4800 rpm
117 NA NA 4917 85 mm 120 mm 35 mm 1.25 kg 4000 rpm 4500 rpm
118 NA NA 6917 85 mm 120 mm 63 mm 2.2 kg 4500 rpm
119 NA NA 6918 90 mm 125 mm 63 mm 2.3 kg 4300 rpm
120 NKI NKI 90/26 90 mm 120 mm 26 mm 0.78 kg 4500 rpm
121 NKI NKI 90/36 90 mm 120 mm 36 mm 1.1 kg 4500 rpm
122 NA NA 4918 90 mm 125 mm 35 mm 1.3 kg 4300 rpm
123 NKI NKI 95/26 95 mm 125 mm 26 mm 0.82 kg 4300 rpm
124 NKI NKI 95/36 95 mm 125 mm 36 mm 1.15 kg 4300 rpm
125 NA NA 6919 95 mm 130 mm 63 mm 2.5 kg 4000 rpm
126 NKA NKA 4919 95 mm 130 mm 35 mm 1.35 kg 4000 rpm
127 NKI NKI 100/30 100 mm 130 mm 30 mm 0.99 kg 4000 rpm
128 NKI NKI 100/40 100 mm 130 mm 40 mm 1.35 kg 4000 rpm
129 NA NA 4920 100 mm 140 mm 40 mm 1.9 kg 4000 rpm
130 NA NA 4822 110 mm 140 mm 30 mm 1.1 kg 3800 rpm
131 NA NA 4922 110 mm 150 mm 40 mm 2.05 kg 3600 rpm
132 NA NA 4824 120 mm 150 mm 30 mm 1.15 kg 3600 rpm
133 NA NA 4924 120 mm 165 mm 45 mm 2.85 kg 3400 rpm
134 NA NA 4826 130 mm 165 mm 35 mm 1.8 kg 3200 rpm
135 NA NA 4926 130 mm 180 mm 50 mm 3.9 kg 3000 rpm
136 NA NA 4828 140 mm 175 mm 35 mm 1.9 kg 3000 rpm
137 NA NA 4928 140 mm 190 mm 50 mm 4.15 kg 2800 rpm
138 NA NA 4830 150 mm 190 mm 40 mm 2.7 kg 2800 rpm
139 NA NA 4832 160 mm 200 mm 40 mm 2.85 kg 2600 rpm
140 NA NA 4834 170 mm 215 mm 45 mm 3.95 kg 2400 rpm
141 NA NA 4836 180 mm 225 mm 45 mm 4.2 kg 2400 rpm
142 NA NA 4838 190 mm 240 mm 50 mm 5.55 kg 2200 rpm
143 NA NA 4840 200 mm 250 mm 50 mm 5.8 kg 2000 rpm
144 NA NA 4844 220 mm 270 mm 50 mm 6.35 kg 1900 rpm
145 NA NA 4848 240 mm 300 mm 60 mm 9.9 kg 1700 rpm
146 NA NA 4852 260 mm 320 mm 10.5 kg 1500 rpm
147 NA NA 4856 280 mm 350 mm 69 mm 15.5 kg 1400 rpm
148 NA NA 4860 300 mm 380 mm 80 mm 22 kg 1300 rpm
149 NA NA 4864 320 mm 400 mm 80 mm 23 kg 1200 rpm
150 NA NA 4868 340 mm 420 mm 80 mm 24 kg 1200 rpm
151 NA NA 4872 360 mm 440 mm 80 mm 25.5 kg 1100 rpm
152 NA NA 4876 380 mm 480 mm 100 mm 42.5 kg 1000 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.