121.32.3750.990.41.1502
- Бренд
- QIBR
- Alternative brand
- Rothe erde
- Rolling element type
- Ball and roller combined
- Measurement system
- Metric
- Weight
- 2186 kg
- Outer diameter
- 3980.8 mm
- Inner diameter
- 3558 mm
- Total width
- 159 mm
- External hole circle diameter
- 3846 mm
- Internal hole circle diameter
- 3618 mm
- Number of holes
- 80
- Bolt hole diameter
- 30 mm
- Bolt size
- M27 mm
- Number of grease holes
- 10
- Outer diameter of inner ring
- 3797 mm
- Inner diameter of outer ring
- 3709 mm
- Width of outer ring
- 109 mm
- Width of inner ring
- 143 mm
- Distance at bottom outer ring/inner ring
- 16 mm
- Distance at top outer ring/inner ring
- 50 mm
- Gear P.C.D
- 3936 mm
- Module
- 16 mm
- Number of teeth
- 246
- Addendum modification
- +8 mm
- Addendum reduction
- -1.6 mm
- Tooth width
- 109 mm
- Permissible tangential forces normal
- 160 kN
- Permissible tangential forces Max.
- 320 kN
- Gear type
- External gear
- Temperature
- -20 ℃ to +100 ℃
- Seal type
- Closed type
Укажите условия эксплуатации и необходимое количество.
Описание
Double-row slewing rings with roller/ball combination bearings are available in configurations without gears, as well as with external gears or internal gears. This design integrates both roller and ball elements to efficiently manage axial and radial loads. It is well-suited for various industrial applications, offering precise rotational control and robust performance in machinery such as cranes, excavators, and wind turbines. The option of external or internal gears enhances versatility, accommodating specific operational requirements for power transmission and operational efficiency.
QIBR - 121.32.3750.990.41.1502 Slewing Bearing Advantages and Applications
121.32.3750.990.41.1502 Slewing Bearing, strong load capacity, high precision, Inner diameter is 3558 mm,Outer diameter is 3980.8 mm,Total width is 159 mm,Weight is 2186 kg, suitable for cranes, wind turbines, excavators, etc., is a widely used bearing in the machinery industry
QIBR - 121.32.3750.990.41.1502 Slewing Bearing Characteristics
121.32.3750.990.41.1502 Slewing Bearing, high durability, low wear, long life, simple maintenance. 121.32.3750.990.41.1502 Slewing Bearing, can withstand high radial loads, axial loads and large overturning moments, suitable for applications that require heavy loads.
121.32.3750.990.41.1502 Slewing Bearing Features and Advantages
Compact design: Compact structure, it can be installed in space-constrained environments, and has a wider range of applications.
High load capacity: It can withstand axial, radial and overturning moments at the same time, suitable for heavy-duty applications.
Superior precision: Maintain high precision during use and reduce errors in equipment operation.
High temperature and wear resistance: Made of high-temperature bearing steel, with good wear resistance and strength.
Application: Widely used in lifting machinery, engineering machinery, transportation machinery, mining machinery, metallurgical machinery, medical equipment, ships, warships, radar, wind power generation and other fields.
QIBR - 121.32.3750.990.41.1502 Slewing Bearing Optimization
Grease replacement: Replace grease with other greases such as SFK, Mobil, Krupp, etc. to optimize the working performance and use conditions of the bearing.
Coating optimization: Provide other coatings such as zinc plating or nickel plating to enhance corrosion resistance and wear resistance and extend its service life in harsh environments.
Process optimization: Optimize the bearing production process, increase the bearing operating temperature range, and improve the bearing accuracy and stability.
More customization: QIBR can optimize the bearing structure design according to customers’ drawings or equipment requirements to meet equipment needs.
QIBR - 121.32.3750.990.41.1502 Slewing support bearing quality control
Dimension measurement: Use a variety of professional high-precision instruments to measure multiple dimensions of the bearing, with the highest accuracy up to 0.01mm.
Rotation accuracy: Use a dial indicator to measure small flaws or deviations on the bearing surface, with a measurement accuracy of up to 0.01mm.
Hardness measurement: Use a Leeb hardness tester to measure the bearing surface hardness, with a measurement accuracy of ±6HLD.
Metallographic analysis: Use a professional metallographic microscope to analyze the internal metallographic structure of the metal.
Geometric tolerance: Use a roundness meter to measure the bearing geometry and relative position.
Noise monitoring: Use a vibration meter to monitor the vibration during operation and obtain noise data.
Особенности и преимущества
Double-row slewing ringsRoller/ball combination bearings are available without gear with external gear with internal gear.
The outer ring has excellent mechanical performance, with high strength and toughness. After quenching and tempering (Q+T), it exhibits fatigue resistance, impact resistance, and excellent low-temperature impact toughness.
Загрузки
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Анкета условий работы подшипника
Bearing Condition Questionnaire
Документы для дилеров
Agent Application Form
Каталог продукции
Slewing & Cross Roller Bearing Catalog
Каталог продукции
Bearing Unit Catalog
Показано 4 из 7
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