112.50.4000

112.50.4000 · Внешний вид изделия

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112.50.4000 · Технический чертёж

Бренд
QIBR
Rolling element type
Roller
Measurement system
Metric
Outer diameter
4226 mm
Inner diameter
3772 mm
Total width
134 mm
External hole circle diameter
4136 mm
Internal hole circle diameter
3864 mm
Number of holes
60
Diameter of through holes
45 mm
Bolt size
M42 mm
Depth
84 mm
Number of grease holes
10
Outer diameter of inner ring
3997 mm
Inner diameter of outer ring
4003 mm
Width of outer ring
122 mm
Distance at top outer ring/inner ring
12 mm
Tooth width
110 mm
Module
25 mm
Number of teeth
171
Tip diameter
4345 mm
Gear type
External gear
Temperature
-30 ℃ to +80 ℃
Seal type
Closed type
Bearing type
Cross roller slewing ring bearing
Ring material
42CrMo or 50Mn
Sealing material
NBR

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Описание

The externally toothed single-row crossed roller slewing bearing is engineered with a 1:1 cross arrangement of rollers and demands high installation precision. This design ensures exact rotational control and efficient power transmission, making it ideal for applications where accuracy and reliability are critical. The external teeth facilitate seamless integration with gear systems, enabling precise positioning and smooth operation under heavy loads and diverse conditions. This bearing type combines robust construction with meticulous design to meet the rigorous demands of industrial applications that necessitate precise installation accuracy and consistent performance.

QIBR - 112.50.4000 Slewing Bearing Advantages and Applications

112.50.4000 Slewing Bearing has high precision, compact structure, strong static load capacity, Inner diameter is 3772 mm,Outer diameter is 4226 mm,Total width is 134 mm. It is suitable for ship steering gear, rotating tower, robot rotary joint and wind turbine, etc. It is the most widely used bearing in working conditions where high bearing precision is required.

QIBR - 112.50.4000 Slewing Bearing Characteristics

112.50.4000 Slewing Bearing, saves space, simple maintenance, low production cost, easy to install. 112.50.4000 Slewing Bearing, can simultaneously withstand a certain axial force, radial force and overturning moment, suitable for mechanical equipment that needs to support and transmit at the same time.

112.50.4000 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 - 112.50.4000 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 - 112.50.4000 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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