VSU 20 0744

VSU 20 0744 · Product image

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VSU 20 0744 · Technical drawing

Brand
QIBR
Alternative brand
INA
Rolling element type
Ball
Measurement system
Metric
Weight
52 kg
Outer diameter
816 mm
Inner diameter
672 mm
Total width
56 mm
External hole circle diameter
790 mm
Internal hole circle diameter
698 mm
Step diameter outer ring
814 mm
Step diameter inner ring
674 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
Outer diameter of inner ring
742.5 mm
Inner diameter of outer ring
745.5 mm
Width of outer ring
44.5 mm
Width of inner ring
44.5 mm
Gear type
No gear
Max. radial load (fixing screws)
165.2 kN
Basic static load rating (axial)
1010 kN
Basic dynamic load rating (axial)
211 kN
Basic static load rating (radial)
445 kN
Basic dynamic load rating (radial)
138 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

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Description

Standard series 20 bearings are designed without gear teeth and offer selectable internal clearance. They are sealed to prevent contamination and feature a lubrication nipple positioned on the circumference of the outer ring. These bearings are ideal for applications requiring precise internal clearance adjustment and reliable sealing against environmental elements, ensuring optimal performance and longevity in various industrial settings.

QIBR - VSU 20 0744 Slewing Bearing Advantages and Applications

VSU 20 0744 Slewing Bearing has high precision and strong vibration resistance.Inner diameter is 672 mm,Outer diameter is 816 mm,Weight is 52 kg. It is suitable for marine cranes, metallurgical cranes, centrifuges, and industrial robots, etc. It is the most widely used bearing in working conditions that require stable operation.

QIBR - VSU 20 0744 Slewing Bearing Characteristics

VSU 20 0744 Slewing Bearing, stable operation, not easy to damage, long life. VSU 20 0744 Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment requiring high stability.

VSU 20 0744 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 - VSU 20 0744 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 - VSU 20 0744 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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