113.28.900
- Brand
- QIBR
- Rolling element type
- Roller
- Measurement system
- Metric
- Outer diameter
- 1022 mm
- Inner diameter
- 778 mm
- Total width
- 82 mm
- External hole circle diameter
- 978 mm
- Internal hole circle diameter
- 822 mm
- Number of holes
- 30
- Diameter of through holes
- 22 mm
- Bolt size
- M20 mm
- Depth
- 40 mm
- Number of grease holes
- 6
- Outer diameter of inner ring
- 898 mm
- Inner diameter of outer ring
- 902 mm
- Width of outer ring
- 72 mm
- Distance at top outer ring/inner ring
- 10 mm
- Tooth width
- 65 mm
- Module
- 8 mm
- Number of teeth
- 93
- Tip diameter
- 739.2 mm
- Gear type
- Internal gear
- Temperature
- -30 ℃ to +80 ℃
- Seal type
- Closed type
- Bearing type
- Cross roller slewing ring bearing
- Ring material
- 42CrMo or 50Mn
- Sealing material
- NBR
Tell us your operating requirements and required quantity.
Description
Internally toothed single-row crossed roller slewing bearings find extensive application in lifting, transportation, and various engineering machinery products. These bearings are favored for their ability to handle high axial and radial loads while providing precise rotational control, essential in equipment such as cranes, truck cranes, and other heavy-duty machinery used in construction and industrial settings. Their internal tooth configuration allows for seamless integration with gear systems, facilitating efficient power transmission and enhancing operational reliability. This design ensures robust performance and durability, making them indispensable components in applications where safety, efficiency, and durability are paramount concerns.
QIBR - 113.28.900 Slewing Bearing Advantages and Applications
113.28.900 Slewing Bearing has strong load-bearing capacity, great flexibility and high stability. Inner diameter is 778 mm,Outer diameter is 1022 mm,Total width is 82 mm. It is suitable for tower cranes, dismantling machines, beverage dispensing machines and aerial work vehicles, etc., and is the most widely used bearing in working conditions requiring high stability.
QIBR - 113.28.900 Slewing Bearing Characteristics
113.28.900 Slewing Bearing, large operating range, long service life, small assembly clearance. 113.28.900 Slewing Bearing, can simultaneously withstand certain axial force, radial force and overturning moment, suitable for mechanical equipment that needs to transmit power or provide rotation support.
113.28.900 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 - 113.28.900 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 - 113.28.900 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
Internally toothed single-row crossed roller slewing bearings are widely used in lifting, transportation, and engineering machinery products.
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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