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NO. | Product | Product Number | Наружный диаметр (d1) | Диаметр отверстия втулки (d) | Ширина (B) | Базовая динамическая нагрузка | Базовая статическая нагрузка | Предел усталостной нагрузки (Pu) |
---|---|---|---|---|---|---|---|---|
104 |
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NKIS65 | 28 mm | 70.4 KN | 132 KN | 16.6 KN | ||
105 |
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NKI70/25 | 25 mm | 56.1 KN | 127 KN | 15.6 KN | ||
106 |
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NKI70/35 | 35 mm | 76.5 KN | 190 KN | 24 KN | ||
107 |
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NA4914 | 30 mm | 84.2 KN | 163 KN | 20.8 KN | ||
108 |
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NA 6914 | 54 mm | 128 KN | 285 KN | 36 KN | ||
109 |
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NKI75/25 | 25 mm | 69.3 KN | 132 KN | 16.6 KN | ||
110 |
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NA4915 | 30 mm | 84.2 KN | 170 KN | 21.6 KN | ||
111 |
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NKI75/35 | 35 mm | 96.8 KN | 200 KN | 26 KN | ||
112 |
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NA 6915 | 54 mm | 130 KN | 290 KN | 37.5 KN | ||
112 |
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NKI80/25 | 25 mm | 72.1 KN | 140 KN | 18 KN | ||
113 |
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NA4916 | 30 mm | 88 KN | 183 KN | 23.2 KN | ||
114 |
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NKI80/35 | 35 mm | 101 KN | 216 KN | 28 KN | ||
115 |
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NA 6916 | 54 mm | 134 KN | 315 KN | 40 KN | ||
116 |
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NKI85/26 | 26 mm | 73.7 KN | 146 KN | 18.6 KN | ||
117 |
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NKI85/36 | 36 mm | 105 KN | 232 KN | 30 KN | ||
118 |
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NA4917 | 35 mm | 108 KN | 250 KN | 31 KN | ||
119 |
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NA 6917 | 63 mm | 165 KN | 425 KN | 53 KN | ||
120 |
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NA 6918 | 63 mm | 172 KN | 450 KN | 55 KN | ||
121 |
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NKI90/26 | 26 mm | 76.5 KN | 156 KN | 19.6 KN | ||
122 |
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NKI90/36 | 36 mm | 108 KN | 250 KN | 31 KN | ||
123 |
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NA4918 | 35 mm | 12 KN | 265 KN | 32.5 KN | ||
124 |
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NKI95/26 | 26 mm | 78.1 KN | 166 KN | 20.4 KN | ||
125 |
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NKI95/36 | 36 mm | 112 KN | 265 KN | 32.5 KN | ||
126 |
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NKA4919 | 35 mm | 114 KN | 270 KN | 33.5 KN | ||
126 |
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NA 6919 | 63 mm | 172 KN | 465 KN | 56 KN | ||
127 |
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NKI100/30 | 30 mm | 96.8 KN | 220 KN | 27 KN | ||
128 |
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NKI100/40 | 40 mm | 123 KN | 305 KN | 37.5 KN | ||
129 |
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NA4920 | 40 mm | 125 KN | 280 KN | 34 KN | ||
130 |
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NA4822 | 30 mm | 93.5kN | 232 KN | 27 KN | ||
131 |
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NA4922 | 40 mm | 130 KN | 300 KN | 35.5 KN | ||
132 |
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NA4824 | 30 mm | 99 KN | 255 KN | 29 KN | ||
133 |
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NA4924 | 45 mm | 176 KN | 405 KN | 49 KN | ||
134 |
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NA4826 | 35 mm | 119 KN | 325 KN | 36.5 KN | ||
135 |
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NA4926 | 50 mm | 198 KN | 480 KN | 57 KN | ||
136 |
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NA4828 | 35 mm | 121 KN | 345 KN | 37.5 KN | 2600 rpm | |
137 |
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NA4928 | 50 mm | 205 KN | 510 KN | 60 KN | ||
138 |
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NA4830 | 40 mm | 147 KN | 415 KN | 46.5 KN | ||
139 |
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NA4832 | 40 mm | 157 KN | 450 KN | 49 KN | ||
140 |
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NA4834 | 45 mm | 179 KN | 520 KN | 56 KN | ||
141 |
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NA4836 | 45 mm | 190 KN | 570 KN | 60 KN | ||
142 |
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NA4838 | 50 mm | 220 KN | 710 KN | 73.5 KN | ||
143 |
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NA4840 | 50 mm | 224 KN | 735 KN | 75 KN | ||
144 |
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NA4844 | 50 mm | 238 KN | 815 KN | 81.5 KN | ||
145 |
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NA4848 | 60 mm | 347 KN | 1120 KN | 112 KN | ||
146 |
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NA4852 | 358 KN | 1200 KN | 118 KN | |||
147 |
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NA4856 | 69 mm | 429 KN | 1320 KN | 129 KN | ||
148 |
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NA4860 | 80 mm | 594 KN | 1800 KN | 173 KN | ||
149 |
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NA4864 | 80 mm | 605 KN | 900 KN | 176 KN | ||
150 |
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NA4868 | 80 mm | 616 KN | 1960 KN | 183 KN | ||
151 |
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NA4872 | 80 mm | 627 KN | 2040 KN | 186 KN | ||
152 |
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NA4876 | 100 mm | 968 KN | 3000 KN | 270 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.