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Стандарт
GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN/VDEh,DIN/VDEh
Внутренний диаметр
120mm-8000mm
Наружный диаметр
280mm-8000mm
Вес
20kg-8000kg
Structures
Outer Ring, Inner Ring, Spacer, Rolling element, Seal
Structures
QIBR/OEM/Neutral
Упаковка
Standard Export Package
Материал
42CrMo, 50Mn, or Stainless Steel
Применения
Hoisting machinery, construction machinery, material handling machinery, mining machinery, metallurgical machinery, medical instruments,ships and warships, radar,wind turbine

NO. | Product | Product Number | Внутренний диаметр (Di) | Наружный диаметр (Do) | Вес | Тип шестерни |
---|---|---|---|---|---|---|
1 |
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Q12740001 | 16.250inch | 24.650 inch | 145 lbs | No Gear |
2 |
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Q12750001 | 18.500 inch | 26.900 inch | 155 lbs | No Gear |
3 |
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Q12770001 | 21.250 inch | 29.650 inch | 180 lbs | No Gear |
4 |
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Q12775001 | 23.125 inch | 33.534 inch | 305 lbs | No Gear |
5 |
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Q12780001 | 27.750 inch | 38.201 inch | 350 lbs | No Gear |
6 |
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Q12785001 | 28.750 inch | 41.850 inch | 530 lbs | No Gear |
7 |
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Q12790001 | 34.250 inch | 47.444 inch | 835 lbs | No Gear |
8 |
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Q16289001 | 52.325 inch | 61.250 inch | 585 lbs | No Gear |
9 |
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Q16389001 | 69.094 inch | 87.992 inch | 3,330 lbs | No Gear |
10 |
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Q16290001 | 113.000 inch | 129.000 inch | 3,950 lbs | No Gear |
11 |
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Q16291001 | 162.000 inch | 178.000 inch | 5,350 lbs | No Gear |
12 |
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Q16292001 | 9.714 inch | 16.625 inch | 65 lbs | Internal Gear |
13 |
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Q16293001 | 12.750 inch | 20.486 inch | 105 lbs | Internal Gear |
14 |
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Q16294001 | 16.850 inch | 25.750 inch | 180 lbs | Internal Gear |
15 |
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Q16295001 | 19.600 inch | 28.937 inch | 225 lbs | Internal Gear |
16 |
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Q16296001 | 24.921 inch | 34.252 inch | 270 lbs | Internal Gear |
17 |
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Q16390001 | 30.560 inch | 40.880 inch | 375 lbs | Internal Gear |
18 |
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Q16374001 | 36.400 inch | 48.250 inch | 660 lbs | Internal Gear |
19 |
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Q16297001 | 41.280 inch | 54.375 inch | 1,090 lbs | Internal Gear |
20 |
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Q16298001 | 47.760 inch | 62.250 inch | 1,370 lbs | Internal Gear |
21 |
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Q16299001 | 57.000 inch | 72.500 inch | 1,900 lbs | Internal Gear |
22 |
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Q16300001 | 62.267 inch | 81.750 inch | 3,080 lbs | Internal Gear |
23 |
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Q16301001 | 85.360 inch | 102.500 inch | 3,750 lbs | Internal Gear |
24 |
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Q16302001 | 93.600inch | 117.000 inch | 6,200 lbs | Internal Gear |
25 |
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Q16303001 | 135.039 inch | 148.425 inch | 3,000 lbs | Internal Gear |
26 |
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Q16304001 | 151.700 inch | 168.000 inch | 5,500 lbs | Internal Gear |
27 |
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Q16305001 | 4.813 inch | 9.500 inch | 15 lbs | External Gear |
28 |
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Q16306001 | 12.438 inch | 21.286 inch | 140 lbs | External Gear |
29 |
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Q16307001 | 19.000 inch | 30.457 inch | 330 lbs | External Gear |
30 |
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Q12440001 | 29.500 inch | 39.400 inch | 390 lbs | External Gear |
31 |
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Q16308001 | 37.750 inch | 50.640 inch | 770 lbs | External Gear |
32 |
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Q12288001 | 42.000 inch | 54.300 inch | 770 lbs | External Gear |
33 |
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Q16309001 | 41.370 inch | 56.240 inch | 1,133 lbs | External Gear |
34 |
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Q16310001 | 47.125 inch | 61.300 inch | 1,420 lbs | External Gear |
35 |
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Q16311001 | 54.500 inch | 75.000 inch | 2,865 lbs | External Gear |
36 |
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Q16312001 | 66.750 inch | 85.067 inch | 3,410 lbs | External Gear |
37 |
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Q16313001 | 78.400 inch | 98.800 inch | 4,000 lbs | External Gear |
38 |
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Q16314001 | 118.110 inch | 134.331 inch | 3,600 lbs | External Gear |
39 |
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Q16315001 | 146.850 inch | 170.079 inch | 8,030 lbs | External Gear |
40 |
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Q16316001 | 173.622 inch | 196.850 inch | 10,100 lbs | External Gear |
41 |
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Q16317001 | 197.244 inch | 218.268 inch | 8,700 lbs | External Gear |
Features and advantages of QIBR four-point contact ball slewing bearings XT series
QIBR four-point contact ball slewing bearings XT series has several significant features and advantages, which play a key role in various fields, mainly in the following aspects:
1. High rigidity of QIBR four-point contact ball slewing bearings XT series
The QIBR XT series four-point contact ball slewing bearings are engineered to withstand significant loading moments, offering enhanced operational stability and torsional rigidity under high-load conditions, making them perfect for large equipment where precision and durability are critical.
2. QIBR four-point contact ball slewing bearings XT series can accommodate loads from multi-directions
QIBR four-point contact ball slewing bearings XT series can simultaneously bear loads in any direction, making them outstanding performers under complex and dynamic loading conditions. They are suitable for applications requiring frequent rotation and oscillation.
3. Stable structure of QIBR four-point contact ball slewing bearings XT series
Designed with a stable structure, the QIBR XT series four-point contact ball slewing bearings effectively balance multidirectional forces, ensuring enhanced equipment stability, especially during rotation.
4. Customized service of QIBR four-point contact ball slewing bearings XT series
QIBR four-point contact ball slewing bearings XT series can provide customized service and design the bearings according to the specific needs, which can meet the demands of different industries and working conditions.
Performance enhancements and solutions of QIBR four-point contact ball slewing bearings XT series
1. Enhanced corrosion resistance
QIBR XT series four-point contact ball slewing bearings are equipped with advanced surface treatments, such as galvanization, to boost corrosion resistance and ensure long-lasting performance.
2. Improvement of bearing rotational accuracy
QIBR four-point contact ball slewing bearings XT series are manufactured with state-of-the-art processing equipment and techniques, including precision heat treatment and advanced machining centers. These processes significantly improve the geometric accuracy of the inner and outer rings, reduce machining errors, and enhance the rotational accuracy and stability of the bearings.
3. Vibration and noise mitigation
Through careful optimization of mass distribution and dynamic/static balance, the QIBR XT series reduces rotational vibration and noise, ensuring stable and quiet operation.
4. Lower friction coefficient
The QIBR XT series utilizes low-friction materials in the balls, inner and outer rings, and cages, minimizing friction and optimizing bearing efficiency for better performance in high-demand applications.
By boosting corrosion resistance and manufacturing precision, the QIBR XT series four-point contact ball slewing bearings can achieve superior performance, adapting to even the most challenging application requirements.
Main application fields of QIBR four-point contact ball slewing bearings XT series
Tower cranes
The QIBR XT series four-point contact ball slewing bearings are designed to support tower cranes' rotating platforms. They ensure smooth rotation, precise load lifting, and control accuracy.
Conveyor systems
In automated production and logistics systems, the QIBR XT series four-point contact ball slewing bearings are critical in rotating conveyor equipment, improving material handling efficiency and ensuring smooth operation.
Wind turbines
For optimal performance in wind turbines, the QIBR XT series four-point contact ball slewing bearings provide reliable, stable rotation by connecting the blades to the tower. These bearings are engineered to handle high loads and extreme conditions and ensure long-lasting durability and efficiency in fluctuating wind environments.
Excavator
The XT series can simultaneously withstand radial and axial loads (such as forces from excavation), enabling the equipment to perform rotational movements smoothly and efficiently.