VI 25 0489 N
- Бренд
- QIBR
- Alternative brand
- INA
- Rolling element type
- Ball
- Measurement system
- Metric
- Weight
- 43 kg
- Outer diameter
- 562 mm
- Inner diameter
- 384 mm
- Total width
- 55 mm
- External hole circle diameter
- 538 mm
- Internal hole circle diameter
- 440 mm
- Step diameter inner ring
- 488 mm
- Step diameter outer ring
- 560 mm
- Number of mounting holes of the inner ring
- 40
- Number of mounting holes of the outer ring
- 40
- Hole diameter at outer ring
- 14 mm
- Hole diameter at inner ring
- 14 mm
- Inner diameter of outer ring
- 488 mm
- Outer diameter of inner ring
- 490 mm
- Width of outer ring
- 50 mm
- Width of inner ring
- 50 mm
- Gear type
- Internal gear
- Module
- 6 mm
- Number of teeth
- 66
- Gear P.C.D
- 396 mm
- Max. radial load (fixing screws)
- 165.2 kN
- Normal permissible tooth forces
- 27.6 kN
- Max. permissible tooth forces
- 40.1 kN
- Basic static load rating (axial)
- 1030 kN
- Basic dynamic load rating (axial)
- 395 kN
- Basic static load rating (radial)
- 465 kN
- Basic dynamic load rating (radial)
- 255 kN
- Temperature
- -20 ℃ to +100 ℃
- Bearing type
- Four point contact ball slewing ring bearing
- Ring material
- 42CrMo or 50Mn
- Sealing material
- NBR
- Seal type
- Closed type
- Ball material
- AISI 52100
Укажите условия эксплуатации и необходимое количество.
Описание
The bearing features internal teeth, is sealed, offers selectable internal clearance, and includes a lubrication nipple positioned on the circumference of the internal toothed ring. This design is particularly advantageous for applications requiring precise rotational movement and reliable sealing against contaminants. The internal teeth facilitate seamless integration into machinery where precise positioning is critical, such as in cranes and excavators. The selectable internal clearance allows for customization based on specific operational requirements, ensuring optimal performance and longevity. The inclusion of a lubrication nipple on the internal toothed ring perimeter enables convenient maintenance, enhancing operational efficiency and extending the bearing's service life in demanding industrial environments.
VI 25 0489 N 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 - VI 25 0489 N 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 - VI 25 0489 N 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
Internal teeth, sealed, selectable internal clearance, lubrication nipple on circumference of intoothed 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
Показано 4 из 7
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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