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NO. | Product | Product Number | Вес | Базовая динамическая нагрузка | Базовая статическая нагрузка | Диаметр под роликами (Fw) | Наружный диаметр дополнения игольчатого ролика (Ew) | Предел усталостной нагрузки (Pu) |
---|---|---|---|---|---|---|---|---|
101 |
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K50x55x30 | 0.065 kg | 37.4 KN | 98 KN | 50 mm | 55 mm | 12 KN |
102 |
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K50x57x18 | 0.047 kg | 31.9 KN | 64 KN | 50 mm | 57 mm | 7.8 KN |
103 |
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K50x58x25 | 0.090 kg | 41.8 KN | 81.5 KN | 50 mm | 58 mm | 10.2 KN |
104 |
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K55x60x20 | 0.040 kg | 27 KN | 67 KN | 55 mm | 60 mm | 8.15 KN |
105 |
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K55x60x30 | 0.071 kg | 39.6 KN | 108 KN | 55 mm | 60 mm | 13.4 KN |
106 |
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K55x62x18 | 0.052 kg | 34.1 KN | 71 KN | 55 mm | 62 mm | 8.5 KN |
107 |
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K55x63x32 | 0.102 kg | 59.4 KN | 129 KN | 55 mm | 63 mm | 16.3 KN |
108 |
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K60x65x20 | 0.052 kg | 28.1 KN | 72 KN | 60 mm | 65 mm | 8.8 KN |
109 |
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K60x68x25 | 0.089 kg | 51.2 KN | 112 KN | 60 mm | 68 mm | 14 KN |
110 |
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K65x73x30 | 0.141 kg | 53.9 KN | 125 KN | 65 mm | 73 mm | 15.6 KN |
111 |
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K70x76x20 | 0.071 kg | 34.1 KN | 86.5 KN | 70 mm | 76 mm | 10.6 KN |
112 |
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K70x78x30 | 0.148 kg | 137 KN | 70 mm | 78 mm | 10.6 KN | |
113 |
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K75x83x23 | 0.124 kg | 47.3 KN | 110 KN | 75 mm | 83 mm | 13.7 KN |
114 |
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K80x88x30 | 0.138 kg | 68.2 KN | 176 KN | 80 mm | 88 mm | 22 KN |
115 |
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K85x92x20 | 0.102 kg | 42.9 KN | 108 KN | 85 mm | 92 mm | 13.2 KN |
116 |
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K90x97x20 | 0.109 kg | 42.9 KN | 114 KN | 90 mm | 97 mm | 13.7 KN |
117 |
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K90x98x30 | 0.172 kg | 64.4 KN | 173 KN | 90 mm | 98 mm | 21.6 KN |
118 |
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K95x103x30 | 0.165 kg | 66 KN | 180 KN | 95 mm | 103 mm | 22.8 KN |
119 |
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K100x108x27 | 0.185 kg | 55 KN | 143 KN | 100 mm | 108 mm | 17.6 KN |
Features and advantages of QIBR needle roller and cage assemblies
QIBR needle roller and cage assemblies address several critical issues in diverse fields, mainly in the following areas:
1. Compact structure
Using needle rollers as rolling elements allows these bearings to handle large radial loads while being relatively small in size, making them suitable for installation in limited spaces, particularly in compact mechanical designs.
2. Low friction and high efficiency
Thanks to the precise design between the needle rollers and the cage, these bearings exhibit low friction losses, reducing heat generation and improving operational efficiency. This makes them suitable for high-speed and high-efficiency environments.
3. High durability
The cage stabilizes the position of the needle rollers, reducing contact and wear among them, thereby extending the bearing's lifespan. Proper clearance and precision design ensure stability and reliability during operation.
4. Low noise and vibration
The rational structure between the needle rollers and the cage minimizes contact among the rollers, reducing noise and vibration, and making them ideal for environments requiring low noise levels.
5. Adaptability to high-speed applications
With small needle roller shapes and reduced contact area, these bearings are well-suited for high-speed applications, effectively preventing excessive friction and overheating at high speeds.
Performance improvements and solutions for QIBR needle roller and cage assemblies
1. Improved materials
High-performance material selection: Using materials with greater hardness, wear resistance, and corrosion resistance can significantly enhance bearing durability and stability.
2. Optimized cage design
Structural optimization: Enhancing the cage structure to achieve better needle roller arrangement and uniform load distribution. Optimizing the cage reduces needle roller collisions, improving operational stability and efficiency.
Reduced contact area: By refining the cage geometry and needle roller arrangement, contact areas among rollers are minimized, reducing friction and wear.
3. Enhanced lubrication performance
Efficient lubricants: Employing greases or oils suited for high-temperature and high-pressure environments ensures consistent lubricant performance during extended operations, reducing friction and improving durability.
4. Increased precision
Precision machining: Enhancing manufacturing accuracy minimizes errors between bearing components, ensuring more uniform and stable contact between needle rollers and the cage. This improves performance, extends lifespan, and reduces noise and vibration.
Main application areas of QIBR needle roller and cage assemblies
1. Transmissions
Needle roller and cage assemblies are commonly used between the gears and shafts inside transmissions to enhance transmission efficiency and reduce overall size.
2. Industrial machinery
Gearboxes and Transmission Systems: Widely used in gearboxes and gear-driven systems, these bearings can handle large radial loads, reduce space usage, and improve transmission efficiency.
Automation Equipment: In automated production lines, QIBR needle roller and cage assemblies support rotating components, ensuring the precision and stability of the equipment.
3. Aviation engines
Turbo Shafts and Rotating Components: In aviation engines, QIBR needle roller and cage assemblies are used in turboshafts, turbines, and other rotating components to ensure smooth operation at high speeds while handling radial loads generated by high-speed rotation.
4. Household appliances
Home Appliances: QIBR needle roller and cage assemblies are widely used in products such as washing machines, electric fans, power tools, and motors, providing high efficiency and stability while reducing space requirements.