130.45.2800
- Brand
- QIBR
- Rolling element type
- Roller
- Measurement system
- Metric
- Outer diameter
- 3021 mm
- Inner diameter
- 2579 mm
- Total width
- 231 mm
- External hole circle diameter
- 2955 mm
- Internal hole circle diameter
- 2645 mm
- Number of holes
- 72
- Diameter of through holes
- 33 mm
- Bolt size
- M30 mm
- Depth
- 60 mm
- Number of grease holes
- 8
- Width of inner ring
- 219 mm
- Distance at top outer ring/inner ring
- 54 mm
- Gear type
- No gear
- Temperature
- -20 ℃ to +100 ℃
- Seal type
- Closed type
- Ring material
- 42CrMo or 50Mn
- Sealing material
- NBR
- Ball material
- AISI 52100
- Cage material
- Nylon
Tell us your operating requirements and required quantity.
Description
The three-row roller slewing bearing is characterized by three rings, with separate upper, lower, and radial raceways that accurately distribute the load to each row of rollers. This design ensures efficient load handling and distribution, making it ideal for applications requiring robust support and stability under heavy loads. The distinct separation of raceways allows each row of rollers to function independently, minimizing friction and enhancing overall bearing performance. This configuration is commonly utilized in large-scale machinery such as cranes, excavators, and wind turbines where precise load management and durability are crucial.
QIBR - 130.45.2800 Slewing Bearing Advantages and Applications
130.45.2800 Slewing Bearing, high speed, compact design, strong vibration resistance, Inner diameter is 2579 mm,Outer diameter is 3021 mm,Total width is 231 mm, suitable for wind turbines, excavators, solar supports, port cranes and robots, etc., is the most widely used bearing in conditions requiring high speed.
QIBR - 130.45.2800 Slewing Bearing Characteristics
130.45.2800 Slewing Bearing, easy maintenance, easy installation, high cost performance. 130.45.2800 Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with high speed requirements.
130.45.2800 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 - 130.45.2800 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 - 130.45.2800 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 three-row roller slewing bearing has three rings, and the upper, lower and radial raceways are separated so that the load of each row of rollers can be accurately determined.
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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