024.30.1120
- Brand
- QIBR
- Rolling element type
- Ball
- Measurement system
- Metric
- Outer diameter
- 1262 mm
- Inner diameter
- 978 mm
- Total width
- 124 mm
- External hole circle diameter
- 1218 mm
- Internal hole circle diameter
- 1022 mm
- Number of holes
- 36
- Diameter of through holes
- 22 mm
- Bolt size
- M20 mm
- Depth
- 40 mm
- Number of grease holes
- 6
- Distance at top outer ring/inner ring
- 29 mm
- Width of outer ring
- 114 mm
- Tip diameter
- 916.8 mm
- Module
- 12 mm
- Number of teeth
- 77
- Tooth width
- 80 mm
- Gear type
- Internal gear
- Temperature
- -20 ℃ to +100 ℃
- Bearing type
- Double-row ball slewing bearing with different ball diameters
- Ring material
- 42CrMo or 50Mn
- Sealing material
- NBR
- Seal type
- Closed type
Tell us your operating requirements and required quantity.
Description
Internally toothed double row ball slewing bearings are well-suited for tower cranes, truck cranes, and other loading and unloading machinery that necessitate medium to larger diameters. These bearings excel in handling substantial axial and radial loads concurrently, ensuring stable and precise movement under heavy-duty conditions. Their internal teeth enable seamless integration with gear systems, facilitating efficient power transmission and precise rotational control essential for crane operations. This design enhances operational reliability and durability, catering to the rigorous demands of industrial machinery used in construction, logistics, and material handling sectors.
QIBR - 024.30.1120 Slewing Bearing Advantages and Applications
024.30.1120 Slewing Bearing has high positioning accuracy and strong durability. Inner diameter is 978 mm,Outer diameter is 1262 mm,Total width is 124 mm. It is suitable for bogies, subways, ore crushing equipment, concrete pump trucks, and rotary excavators, etc. and is the most widely used bearing in working conditions with high positioning requirements.
QIBR - 024.30.1120 Slewing Bearing Characteristics
024.30.1120 Slewing Bearing, simple structure, low maintenance cost, easy installation. 024.30.1120 Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with easy maintenance.
024.30.1120 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 - 024.30.1120 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 - 024.30.1120 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 double row ball slewing bearings are well-suited for tower cranes, truck cranes, and other heavy machinery needing medium to larger diameters.
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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