111.32.1250
- Brand
- QIBR
- Rolling element type
- Roller
- Measurement system
- Metric
- Outer diameter
- 1390 mm
- Inner diameter
- 1110 mm
- Total width
- 91 mm
- External hole circle diameter
- 1337 mm
- Internal hole circle diameter
- 1163 mm
- Number of holes
- 40
- Diameter of through holes
- 26 mm
- Bolt size
- M24 mm
- Depth
- 48 mm
- Number of grease holes
- 5
- Outer diameter of inner ring
- 1248 mm
- Inner diameter of outer ring
- 1252 mm
- Width of outer ring
- 81 mm
- Distance at top outer ring/inner ring
- 10 mm
- Tooth width
- 75 mm
- Module
- 12 mm
- Number of teeth
- 118
- Tip diameter
- 1449.6 mm
- Gear type
- External 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
The externally toothed single-row crossed roller slewing bearing is designed with a 1:1 cross arrangement of rollers and requires high installation accuracy. This configuration ensures precise rotational control and efficient power transmission, making it suitable for applications where accuracy and reliability are paramount, such as in robotics, semiconductor manufacturing, and precision machinery. The external teeth allow for seamless integration with gear systems, enabling precise positioning and smooth operation under heavy loads and varying conditions. This bearing type combines robust construction with precise engineering to meet the stringent demands of industrial operations requiring high installation accuracy and dependable performance.
QIBR - 111.32.1250 Slewing Bearing Advantages and Applications
111.32.1250 Slewing Bearing, small friction coefficient, high precision, good transmission performance, Inner diameter is 1110 mm, Outer diameter is 1390 mm, Total width is 91 mm, suitable for cranes, hoists, radar systems and steel furnaces, etc., is the most widely used bearing under working conditions that require high bearing transmission performance.
QIBR - 111.32.1250 Slewing Bearing Characteristics
111.32.1250 Slewing Bearing, high working efficiency, simple maintenance, easy installation, strong durability. 111.32.1250 Slewing Bearing, can bear certain axial force, radial force and overturning moment at the same time, suitable for precision machinery.
111.32.1250 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 - 111.32.1250 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 - 111.32.1250 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
Externally toothed single-row crossed roller slewing bearing, which requires high installation accuracy. The rollers are arranged in a 1:1 cross arrangement.
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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