020.25.500

020.25.500 · Внешний вид изделия

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020.25.500 · Технический чертёж

Бренд
QIBR
Rolling element type
Ball
Measurement system
Metric
Outer diameter
616 mm
Inner diameter
384 mm
Total width
106 mm
External hole circle diameter
580 mm
Internal hole circle diameter
420 mm
Number of holes
20
Diameter of through holes
18 mm
Bolt size
M16 mm
Depth
32 mm
Number of grease holes
4
Distance at top outer ring/inner ring
26 mm
Width of outer ring
96 mm
Gear type
No gear
Temperature
-20 ℃ to +100 ℃
Bearing type
Double-row ball slewing bearing with different ball diameters
Ring material
42CrMo or 50Mn
Sealing material
NBR
Seal type
Closed type

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Описание

The double row ball slewing bearing features two rows of steel balls with different diameters positioned on the top and bottom. This design optimizes load distribution and enhances the bearing's capacity to withstand axial, radial, and moment loads from various directions. The use of two different ball diameters allows for efficient load sharing and improved stability, ensuring smooth and reliable operation in heavy-duty applications such as cranes, excavators, and industrial machinery. This configuration not only enhances the bearing's performance but also contributes to its longevity and durability under challenging operating conditions.

QIBR - 020.25.500 Slewing Bearing Advantages and Applications

020.25.500 Slewing Bearing has high precision and low friction coefficient. Inner diameter is 384 mm,Outer diameter is 616 mm,Total width is 106 mm. It is suitable for high-speed railways, aircraft, offshore drilling platforms, rotary tables, and industrial robots, etc. and is the most widely used bearing in working conditions with high precision requirements.

QIBR - 020.25.500 Slewing Bearing Characteristics

020.25.500 Slewing Bearing, saves space, evenly distributes load, and has a long service life. 020.25.500 Slewing Bearing, can simultaneously bear radial load, axial load, and overturning moment, and is suitable for mechanical equipment with high precision requirements.

020.25.500 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 - 020.25.500 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 - 020.25.500 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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