Needle Roller and Cage Assemblies

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Needle Roller and Cage Assemblies

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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)
1 K K 3x5x7 TN 0.0003 kg 1.51 KN 1.34 KN 3 mm 5 mm 0.134 KN
2 K K 3x5x9 TN 0.0004 kg 1.68 KN 1.53 KN 3 mm 5 mm 0.153 KN
3 K K 4x7x7 TN 0.0005 kg 1.72 KN 1.32 KN 4 mm 7 mm 0.037 KN
4 K K 4x7x10 TN 0.0007 kg 2.29 KN 1.9 KN 4 mm 7 mm 0.204 KN
5 K K 5x8x8 TN 0.0007 kg 2.29 KN 2 KN 5 mm 8 mm 0.212 KN
6 K K 5x8x10 TN 0.0009 kg 2.92 KN 2.7 KN 5 mm 8 mm 0.29 KN
7 K K 6x9x8 TN 0.0008 kg 2.55 KN 2.36 KN 6 mm 9 mm 0.25 KN
8 K K 6x9x10 TN 0.0001 kg 3.3 KN 3.2 KN 6 mm 9 mm 0.345 KN
9 K K 7x10x8TN 0.0009 kg 2.81 KN 2.75 KN 7 mm 10 mm 0.29 KN
10 K K 7x10x10TN 0.001 kg 3.58 KN 3.75 KN 7 mm 10 mm 0.415 KN
11 K K 8x11x10TN 0.0012 kg 3.8 KN 4.25 KN 8 mm 11 mm 0.465 KN
12 K K 8x11x13TN 0.0017 kg 5.01 KN 5.85 KN 8 mm 11 mm 0.67 KN
13 K K 8x12x10TN 0.002 kg 4.84 KN 4.75 KN 8 mm 12 mm 0.54 KN
14 K K 9x12x10TN 0.0015 kg 4.4 KN 5.2 KN 9 mm 12 mm 0.57 KN
15 K K 10x13x10TN 0.0016 kg 4.57 KN 5.7 KN 10 mm 13 mm 0.63 KN
16 K K 10x13x13TN 0.0023 kg 5.94 KN 8 KN 10 mm 13 mm 0.9 KN
17 K K 10x14x10TN 0.0025 kg 5.61 KN 6.1 KN 10 mm 14 mm 0.695 KN
18 K10x14x13TN/ K10x14x13TN 0.0046 kg 7.21 KN 8.5 KN 10 mm 14 mm 0.98 KN
19 K10x16x12TN/ K10x16x12TN 0.0055 kg 7.65 KN 7.2 KN 10 mm 16 mm 0.85 KN
20 K12x15x10TN/ K12x15x10TN 0.0029 kg 4.73 KN 6.2 KN 12 mm 15 mm 0.695 KN
21 K12x15x13TN/ K12x15x13TN 0.0023 kg 6.16 KN 8.65 KN 12 mm 15 mm 0.98 KN
22 K12x16x13TN/ K12x16x13TN 0.0036 kg 7.65 KN 9.5 KN 12 mm 16 mm 1.1 KN
23 K12x17x13TN/ K12x17x13TN 0.0049 kg 9.13 KN 10.4 KN 12 mm 17 mm 1.22 KN
24 K12x18x12TN/ K12x18x12TN 0.006 kg 9.52 KN 10 KN 12 mm 18 mm 1.18 KN
25 K14x18x10/ K14x18x10 0.004 kg 6.93 KN 8.65 KN 14 mm 18 mm 1 KN
26 K14x18x13/ K14x18x13 0.0065 kg 7.92 KN 10.2 KN 14 mm 18 mm 1.18 KN
27 K14x18x15TN/ K14x18x15TN 0.005 kg 9.13 KN 12.5 KN 14 mm 18 mm 1.46 KN
28 K14x18x17/ K14x18x17 0.008 kg 10.5 KN 14.6 KN 14 mm 18 mm 1.7 KN
29 K15x19x13/ K15x19x13 0.007 kg 8.25 KN 11.2 KN 15 mm 19 mm 1.29 KN
30 K15x19x17/ K15x19x17 0.0095 kg 10.8 KN 15.6 KN 15 mm 19 mm 1.86 KN
31 K15x21x15/ K15x21x15 0.011 kg 13.8 KN 16.3 KN 15 mm 21 mm 2 KN
32 K15x21x21/ K15x21x21 0.017 kg 18.7 KN 24.5 KN 15 mm 21 mm 3 KN
33 K16x20x10/ K16x20x10 0.0055 kg 7.48 KN 10 KN 16 mm 20 mm 1.16 KN
34 K16x20x13/ K16x20x13 0.0075 kg 8.58 KN 12 KN 16 mm 20 mm 1.37 KN
35 K16x20x17/ K16x20x17 0.010 kg 11.2 KN 17 KN 16 mm 20 mm 2 KN
36 K16x22x12/ K16x22x12 0.010 kg 11 KN 12.5 KN 16 mm 22 mm 1.5 KN
37 K16x22x16/ K16x22x16 0.012 kg 14.2 KN 17.6 KN 16 mm 22 mm 2.12 KN
38 K16x22x20/ K16x22x20 0.017 kg 17.6 KN 22.8 KN 16 mm 22 mm 2.8 KN
39 K16x24x20/ K16x24x20 0.022 kg 20.5 KN 23.6 KN 16 mm 24 mm 2.9 KN
40 K17x21x10/ K17x21x10 0.0055 kg 7.81 KN 10.8 KN 17 mm 21 mm 1.22 KN
41 K18x24x12/ K18x24x12 0.012 kg 12.1 KN 15 KN 18 mm 24 mm 1.8 KN
42 K19x23x13/ K19x23x13 0.008 kg 9.13 KN 13.7 KN 19 mm 23 mm 1.6 KN
43 K20x24x10/ K20x24x10 0.0065 kg 8.58 KN 12.9 KN 20 mm 24 mm 1.46 KN
44 K20x24x13/ K20x24x13 0.009 kg 9.52 KN 14.6 KN 20 mm 24 mm 1.66 KN
45 K20x24x17/ K20x24x17 0.012 kg 12.5 KN 20.8 KN 20 mm 24 mm 2.4 KN
46 K20x26x17/ K20x26x17 0.016 kg 18.3 KN 26 KN 20 mm 26 mm 3.2 KN
47 K20x26x20/ K20x26x20 0.019 kg 20.1 KN 29 KN 20 mm 26 mm 3.6 KN
48 K20x28x20/ K20x28x20 0.027 kg 22.9 KN 28.5 KN 20 mm 28 mm 3.45 KN
49 K20x28x25/ K20x28x25 0.032 kg 29.2 KN 39 KN 20 mm 28 mm 4.9 KN
50 K20x30x30/ K20x30x30 0.049 kg 34.1 KN 41.5 KN 20 mm 30 mm 5.2 KN
51 K21x25x13/ K21x25x13 0.009 kg 9.68 KN 15.3 KN 21 mm 25 mm 1.76 KN
52 K22x26x10/ K22x26x10 0.0075 kg 8.8 KN 13.7 KN 22 mm 26 mm 1.56 KN
53 K22x26x13/ K22x26x13 0.0095 kg 10.1 KN 16.3 KN 22 mm 26 mm 1.86 KN
54 K22x26x17/ K22x26x17 0.012 kg 13.2 KN 22.8 KN 22 mm 26 mm 2.7 KN
55 K22x28x17/ K22x28x17 0.018 kg 18.3 KN 27 KN 22 mm 28 mm 3.25 KN
56 K22x29x16/ K22x29x16 0.016 kg 19.4 KN 25.5 KN 22 mm 29 mm 3.05 KN
57 K22x30x15TN/ K22x30x15TN 0.018 kg 19 KN 23.6 KN 22 mm 30 mm 2.8 KN
58 K23x35x16TN/ K23x35x16TN 0.029 kg 24.2 KN 23.2 KN 23 mm 35 mm 2.9 KN
59 K24x28x10/ K24x28x10 0.0085 kg 9.35 KN 15 KN 24 mm 28 mm 1.73 KN
60 K24x28x13/ K24x28x13 0.010 kg 10.6 KN 18 KN 24 mm 28 mm 2.08 KN
61 K24x30x17/ K24x30x17 0.019 kg 18.7 KN 27.5 KN 24 mm 30 mm 3.4 KN
62 K25x29x10/ K25x29x10 0.0085 kg 9.52 KN 15.6 KN 25 mm 29 mm 1.8 KN
63 K25x29x13/ K25x29x13 0.011 kg 10.8 KN 18.6 KN 25 mm 29 mm 2.16 KN
64 K25x30x17/ K25x30x17 0.016 kg 17.9 KN 30.5 KN 25 mm 30 mm 3.6 KN
65 K25x30x20/ K25x30x20 0.018 kg 20.9 KN 36.5 KN 25 mm 30 mm 4.4 KN
66 K25x32x16/ K25x32x16
67 K25x33x20/ K25x33x20 0.033 kg 27.5 KN 38 KN 25 mm 33 mm 4.65 KN
68 K25x35x30/ K25x35x30 0.065 kg 44.6 KN 62 KN 25 mm 35 mm 7.8 KN
69 K26x30x13/ K26x30x13 0.011 kg 11.2 KN 19.6 KN 26 mm 30 mm 2.28 KN
70 K28x33x13/ K28x33x13 0.013 kg 14.7 KN 24.5 KN 28 mm 33 mm 2.85 KN
71 K28x33x17/ K28x33x17 0.017 kg 19 KN 33.5 KN 28 mm 33 mm 4.05 KN
72 K30x35x13/ K30x35x13 0.014 kg 15.1 KN 25.5 KN 30 mm 35 mm 3 KN
73 K30x35x17/ K30x35x17 0.019 kg 18.7 KN 34 KN 30 mm 35 mm 4.05 KN
74 K30x35x27/ K30x35x27 0.030 kg 29.2 KN 60 KN 30 mm 35 mm 7.35 KN
75 K30x37x18/ K30x37x18 0.030 kg 25.1 KN 39 KN 30 mm 37 mm 4.65 KN
76 K30x40x30/ K30x40x30 0.073 kg 46.8 KN 69.5 KN 30 mm 40 mm 8.65 KN
77 K32x37x13/ K32x37x13 0.018 kg 14.7 KN 25.5 KN 32 mm 37 mm 3 KN
78 K32x37x17/ K32x37x17 0.019 kg 19 KN 35.5 KN 32 mm 37 mm 4.25 KN
79 K32x38x20/ K32x38x20 0.030 kg 25.1 KN 45 KN 32 mm 38 mm 5.6 KN
80 K32x40x25/ K32x40x25 0.049 kg 35.8 KN 58.5 KN 32 mm 40 mm 7.2 KN
81 K35x40x13/ K35x40x13 0.019 kg 15.4 KN 28 KN 35 mm 40 mm 3.25 KN
82 K35x40x17/ K35x40x17 0.021 kg 19.8 KN 39 KN 35 mm 40 mm 4.65 KN
83 K35x40x27TN/ K35x40x27TN 0.039 kg 23.8 KN 49 KN 35 mm 40 mm 6 KN
84 K35x42x16/ K35x42x16 0.034 kg 23.3 KN 37.5 KN 35 mm 42 mm 4.5 KN
85 K35x42x18/ K35x42x18 0.034 kg 26.4 KN 44 KN 35 mm 42 mm 5.3 KN
86 K35x45x20/ K35x45x20 0.056 kg 35.2 KN 50 KN 35 mm 45 mm 6.2 KN
87 K37x42x17/ K37x42x17 0.022 kg 21.6 KN 43 KN 37 mm 42 mm 5.2 KN
88 K38x43x17/ K38x43x17 0.029 kg 19.8 KN 39 KN 38 mm 43 mm 4.65 KN
89 K38x46x32/ K38x46x32 0.076 kg 52.3 KN 100 KN 38 mm 46 mm 12.5 KN
90 K40x45x17/ K40x45x17 0.031 kg 20.5 KN 41.5 KN 40 mm 45 mm 5 KN
91 K40x45x27/ K40x45x27 0.046 kg 31.4 KN 73.5 KN 40 mm 45 mm 9 KN
92 K40x48x20/ K40x48x20 0.049 kg 37.4 KN 58.5 KN 40 mm 48 mm 7.35 KN
93 K42x47x17/ K42x47x17 0.032 kg 20.9 KN 43 KN 42 mm 47 mm 5.2 KN
94 K42x50x20/ K42x50x20 0.053 kg 33.6 KN 57 KN 42 mm 50 mm 7.1 KN
95 K43x48x17/ K43x48x17 0.030 kg 20.9 KN 43 KN 43 mm 48 mm 5.2 KN
96 K45x50x17/ K45x50x17 0.034 kg 21.6 KN 46.5 KN 45 mm 50 mm 5.6 KN
97 K45x50x27/ K45x50x27 0.052 kg 33 KN 81.5 KN 45 mm 50 mm 10 KN
98 K45x53x28/ K45x53x28 0.081 kg 49.5 KN 98 KN 45 mm 53 mm 12.2 KN
99 K47x52x17/ K47x52x17 0.035 kg 22.4 KN 49 KN 47mm 52 mm 6 KN
100 K50x55x20/ K50x55x20 0.043 kg 25.5 KN 60 KN 50 mm 55 mm 7.2 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.