011.30.800
- Brand
- QIBR
- Rolling element type
- Ball
- Measurement system
- Metric
- Outer diameter
- 922 mm
- Inner diameter
- 678 mm
- Total width
- 100 mm
- External hole circle diameter
- 878 mm
- Internal hole circle diameter
- 722 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
- 801 mm
- Inner diameter of outer ring
- 798 mm
- Width of outer ring
- 90 mm
- Gear type
- External gear
- Module
- 8 mm
- Number of teeth
- 118
- Tip diameter
- 966.4 mm
- Distance at top outer ring/inner ring
- 10 mm
- Tooth width
- 80 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
Tell us your operating requirements and required quantity.
Description
The four-point contact ball bearing boasts a simple structure that ensures ease of installation and maintenance. Its strong load-bearing capacity makes it ideal for handling heavy loads, while the compact design allows for space-saving integration into various mechanical systems. The bearing is engineered with high precision, ensuring smooth and reliable operation. Its robust construction guarantees strong durability, capable of withstanding demanding conditions. Additionally, the bearing offers a diversified design, providing versatility to meet a wide range of application requirements.
QIBR - 011.30.800 Slewing Bearing Advantages and Applications
011.30.800 Slewing Bearing has strong wear resistance, good stability and compact structure. Inner diameter is 678 mm,Outer diameter is 922 mm,Total width is 100 mm. It is suitable for park amusement machines, compaction machines, concrete pump trucks, rotary excavators and solar power generation equipment, etc. and is the most widely used bearing in harsh working conditions.
QIBR - 011.30.800 Slewing Bearing Characteristics
011.30.800 Slewing Bearing, low cost, easy maintenance, easy installation. 011.30.800 Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with high stability requirements.
011.30.800 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 - 011.30.800 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 - 011.30.800 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
Simple structure, strong load-bearing capacity, compact design, high precision, strong durability, diversified design
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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