VSU 25 0855

VSU 25 0855 · Product image

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VSU 25 0855 · Technical drawing

Brand
QIBR
Alternative brand
INA
Rolling element type
Ball
Measurement system
Metric
Weight
101 kg
Outer diameter
955 mm
Inner diameter
755 mm
Total width
63 mm
External hole circle diameter
915 mm
Internal hole circle diameter
795 mm
Step diameter outer ring
953 mm
Step diameter inner ring
757 mm
Number of mounting holes of the inner ring
28
Number of mounting holes of the outer ring
28
Hole diameter at outer ring
22 mm
Hole diameter at inner ring
22 mm
Outer diameter of inner ring
857 mm
Inner diameter of outer ring
853 mm
Width of outer ring
54 mm
Width of inner ring
54 mm
Gear type
No gear
Max. radial load (fixing screws)
338.8 kN
Basic static load rating (axial)
2550 kN
Basic dynamic load rating (axial)
485 kN
Basic static load rating (radial)
1150 kN
Basic dynamic load rating (radial)
315 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 25 0855 Slewing Bearing Advantages and Applications

VSU 25 0855 Slewing Bearing has high precision and strong vibration resistance.Inner diameter is 755 mm,Outer diameter is 955 mm,Weight is 101 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 25 0855 Slewing Bearing Characteristics

VSU 25 0855 Slewing Bearing, stable operation, not easy to damage, long life. VSU 25 0855 Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment requiring high stability.

VSU 25 0855 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 25 0855 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 25 0855 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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