VI 30 0720 N

VI 30 0720 N · Внешний вид изделия

Изображение может отличаться от изделия. Подробности см. в технических характеристиках.

VI 30 0720 N · Технический чертёж

Бренд
QIBR
Alternative brand
INA
Rolling element type
Ball
Measurement system
Metric
Weight
100 kg
Outer diameter
812 mm
Inner diameter
584 mm
Total width
68 mm
External hole circle diameter
780 mm
Internal hole circle diameter
660 mm
Step diameter inner ring
720 mm
Step diameter outer ring
810 mm
Number of mounting holes of the inner ring
40
Number of mounting holes of the outer ring
40
Hole diameter at outer ring
18 mm
Hole diameter at inner ring
18 mm
Inner diameter of outer ring
718 mm
Outer diameter of inner ring
722 mm
Width of outer ring
61 mm
Width of inner ring
61 mm
Gear type
Internal gear
Module
8 mm
Number of teeth
75
Gear P.C.D
600 mm
Max. radial load (fixing screws)
312 kN
Normal permissible tooth forces
46.8 kN
Max. permissible tooth forces
68 kN
Basic static load rating (axial)
1940 kN
Basic dynamic load rating (axial)
540 kN
Basic static load rating (radial)
870 kN
Basic dynamic load rating (radial)
355 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

Запрос по VI 30 0720 N

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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 30 0720 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 30 0720 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 30 0720 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.

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