VLU 20 0544
- Бренд
- QIBR
- Alternative brand
- INA
- Rolling element type
- Ball
- Measurement system
- Metric
- Weight
- 31 kg
- Outer diameter
- 648 mm
- Inner diameter
- 434 mm
- Total width
- 56 mm
- External hole circle diameter
- 620 mm
- Internal hole circle diameter
- 462 mm
- Number of mounting holes of the inner ring
- 14
- Number of mounting holes of the outer ring
- 10
- Hole diameter at outer ring
- 18 mm
- Hole diameter at inner ring
- 18 mm
- Outer diameter of inner ring
- 542.5 mm
- Inner diameter of outer ring
- 545.5 mm
- Width of outer ring
- 47.5 mm
- Width of inner ring
- 47.5 mm
- Gear type
- No gear
- Basic static load rating (axial)
- 385 kN
- Basic dynamic load rating (axial)
- 188 kN
- Basic static load rating (radial)
- 145 kN
- Basic dynamic load rating (radial)
- 123 kN
- Temperature
- -20 ℃ to +100 ℃
- Bearing type
- Four-point contact slewing bearing with flange
- Ring material
- 42CrMo or 50Mn
- Sealing material
- NBR
- Seal type
- Closed type
- Ball material
- AISI 52100
Укажите условия эксплуатации и необходимое количество.
Описание
The Light series 20 slewing bearing without gear teeth is designed for applications that do not require gear mechanisms for rotation control. It features selectable internal clearance, allowing adjustment to accommodate thermal expansion and ensure optimal operation under varying conditions. These bearings are sealed to protect against contamination and retain lubrication, enhancing durability and reducing maintenance requirements. The inclusion of a lubrication nipple on the circumference of the outer ring facilitates convenient lubrication access, ensuring smooth and reliable performance over extended periods. Light series 20 slewing bearings are ideal for applications such as turntables, conveyor systems, and small cranes, where simplicity, reliability, and ease of maintenance are essential.
QIBR - VLU 20 0544 Slewing Bearing Advantages and Applications
VLU 20 0544 Slewing Bearing, strong anti-overturning ability, small friction coefficient, Inner diameter is 434 mm,Outer diameter is 648 mm,Weight is 31 kg, suitable for grabbers, graders, dismantler, marine cranes and rotary drilling rigs, etc., is the most widely used bearing in working conditions requiring greater impact force.
QIBR - VLU 20 0544 Slewing Bearing Characteristics
VLU 20 0544 Slewing Bearing, less wear and tear, easy installation. VLU 20 0544 Slewing Bearing, can simultaneously withstand radial load, axial load and overturning moment, suitable for mechanical equipment that withstands high loads.
VLU 20 0544 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 - VLU 20 0544 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 - VLU 20 0544 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
Light series 20. without gear teeth, selectable htemal clearance, sealed, lubrication nipple on circumference of outer ring.
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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