012.75.3150

012.75.3150 · Product image

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012.75.3150 · Technical drawing

Brand
QIBR
Rolling element type
Ball
Measurement system
Metric
Outer diameter
3376 mm
Inner diameter
2922 mm
Total width
174 mm
External hole circle diameter
3286 mm
Internal hole circle diameter
3014 mm
Number of holes
56
Diameter of through holes
45 mm
Bolt size
M42 mm
Depth
84 mm
Number of grease holes
8
Outer diameter of inner ring
3152 mm
Inner diameter of outer ring
3147 mm
Distance at top outer ring/inner ring
12 mm
Width of outer ring
162 mm
Gear type
External gear
Tooth width
150 mm
Module
22 mm
Number of teeth
155
Tip diameter
3471.6 mm
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

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Description

The single-row four-point contact ball slewing bearing is an advanced mechanical component designed to simultaneously withstand axial force, radial force, and overturning moment. Its sophisticated design allows for exceptional performance in demanding applications, providing reliable support and stability. This bearing type ensures efficient load distribution, which enhances its operational lifespan and reduces maintenance requirements. The ability to handle multiple types of forces makes it an ideal choice for applications where precision and durability are paramount, such as in heavy machinery, robotics, and industrial equipment. Its robust construction and versatile design offer superior functionality, making it a critical component in complex mechanical systems.

QIBR - 012.75.3150 Slewing Bearing Advantages and Applications

012.75.3150 Slewing Bearing has stable operation, good corrosion resistance, strong multi-directional load-bearing capacity, Inner diameter is 2922 mm,Outer diameter is 3376 mm,Total width is 174 mm, suitable for port cranes, flatbed beam transporters, submersible engineering drilling rigs, road rollers and self-propelled aerial work platforms, etc., and is the most widely used bearing in harsh working conditions.

QIBR - 012.75.3150 Slewing Bearing Characteristics

012.75.3150 Slewing Bearing, easy to install, save space, long life. 012.75.3150 Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with good performance.

012.75.3150 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 - 012.75.3150 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 - 012.75.3150 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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