132.50.3150
- Brand
- QIBR
- Rolling element type
- Roller
- Measurement system
- Metric
- Outer diameter
- 3432 mm
- Inner diameter
- 2868 mm
- Total width
- 270 mm
- External hole circle diameter
- 3342 mm
- Internal hole circle diameter
- 2958 mm
- Number of holes
- 72
- Diameter of through holes
- 45 mm
- Bolt size
- M42 mm
- Depth
- 84 mm
- Number of grease holes
- 8
- Width of inner ring
- 258 mm
- Distance at top outer ring/inner ring
- 65 mm
- Tooth width
- 180 mm
- Module
- 22 mm
- Number of teeth
- 158
- Tip diameter
- 3537.6 mm
- Gear type
- External gear
- Temperature
- -20 ℃ to +100 ℃
- Seal type
- Closed type
- Ring material
- 42CrMo or 50Mn
- Sealing material
- NBR
- Ball material
- AISI 52100
- Cage material
- Nylon
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Description
The externally toothed three-row roller slewing bearing is specifically engineered for heavy machinery applications that demand larger diameters and robust performance. This bearing design optimizes load distribution and ensures precise rotational control, making it ideal for cranes, excavators, and other industrial equipment operating under extreme conditions. With its external teeth configuration, this bearing facilitates efficient power transmission and seamless integration with gear systems, enhancing overall reliability and operational efficiency. It is designed to withstand high axial and radial loads, providing stability and durability in demanding environments. Whether used in construction, mining, or offshore industries, the three-row roller slewing bearing delivers superior performance, ensuring smooth and reliable operation even under the most challenging circumstances.
QIBR - 132.50.3150 Slewing Bearing Advantages and Applications
132.50.3150 Slewing Bearing, strong load-bearing capacity, small friction coefficient, Inner diameter is 2868 mm,Outer diameter is 3432 mm,Total width is 270 mm, suitable for rotating excavators, cranes, manipulators, oxygen blowing devices and ship steering gears, etc., and is the most widely used bearing in working conditions that need to withstand large loads.
QIBR - 132.50.3150 Slewing Bearing Characteristics
132.50.3150 Slewing Bearing, low cost, high applicability, high cost performance. 132.50.3150 Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with high load-bearing capacity requirements.
132.50.3150 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 - 132.50.3150 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 - 132.50.3150 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.
Features & benefits
The externally toothed three-row roller slewing bearing is ideal for heavy machinery requiring larger diameters, ensuring robust performance and precise operational control.
The outer ring has excellent mechanical performance, with high strength and toughness. After quenching and tempering (Q+T), it exhibits fatigue resistance, impact resistance, and excellent low-temperature impact toughness.
Downloads
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Bearing condition questionnaire
Bearing Condition Questionnaire
Agency document
Agent Application Form
Product brochure
Slewing & Cross Roller Bearing Catalog
Product brochure
Bearing Unit Catalog
Showing 4 of 7
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