RKS.22 0741
- Brand
- QIBR
- Alternative brand
- SKF
- Rolling element type
- Ball
- Measurement system
- Metric
- Weight
- 55 kg
- Outer diameter
- 784 mm
- Inner diameter
- 649 mm
- Total width
- 56 mm
- External hole circle diameter
- 820 mm
- Internal hole circle diameter
- 705 mm
- Raceway diameter
- 741 mm
- Number of mounting holes of the inner ring
- 20
- Number of mounting holes of the outer ring
- 12
- Hole diameter at outer ring
- 18 mm
- Hole diameter at inner ring
- M12 mm
- Outer diameter of inner ring
- 739.5 mm
- Inner diameter of outer ring
- 742.5 mm
- Width of outer ring
- 46 mm
- Width of inner ring
- 46 mm
- Flange diameter
- 848 mm
- Gear type
- Internal gear
- Module
- 6 mm
- Number of teeth
- 110
- Gear P.C.D
- 660 mm
- Normal permissible tooth forces
- 16 kN
- Max. permissible tooth forces
- 65 kN
- Basic static load rating
- 524 kN
- Basic dynamic load rating
- 211 kN
- Temperature
- -20 ℃ to +100 ℃
- Bearing type
- Four-point contact slewing bearing with flange
- Ring material
- 42CrMo or 50Mn
- Sealing material
- NBR
- Seal type
- Closed type
- Ball material
- AISI 52100
Tell us your operating requirements and required quantity.
Description
The four-point contact ball slewing bearing with a threaded hole in the inner ring for mounting, and a flange structure on the outer ring, is designed to provide robust support and precise alignment in various mechanical applications. The threaded mounting hole in the inner ring simplifies installation by allowing direct attachment to machinery or structural components using bolts. Meanwhile, the outer ring's flange structure enhances stability and rigidity, ensuring the bearing can withstand axial, radial, and moment loads effectively. This configuration is particularly advantageous in equipment such as cranes, excavators, and turntables where reliable rotation and load-bearing capacity are crucial. It facilitates efficient operation and maintenance, making it a preferred choice for applications requiring durable and precise rotational movement under demanding conditions.
QIBR - RKS.22 0741 Slewing Bearing Advantages and Applications
RKS.22 0741 Slewing Bearing has strong load-bearing capacity and high flexibility. Inner diameter is 649 mm,Outer diameter is 784 mm,Weight is 55 kg. It is suitable for astronomical observation instruments, cranes, hoists, radar systems, and ship steering gears, etc. It is the most widely used bearing in working conditions that require high flexibility.
QIBR - RKS.22 0741 Slewing Bearing Characteristics
RKS.22 0741 Slewing Bearing, small wear, high cost performance, easy installation. RKS.22 0741 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.
RKS.22 0741 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 - RKS.22 0741 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 - RKS.22 0741 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
Four-point contact ball slewing bearing, the inner ring mounting hole is a threaded hole, and the outer ring has a flange structure.
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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