112.40.2500
- Brand
- QIBR
- Rolling element type
- Roller
- Measurement system
- Metric
- Outer diameter
- 2678 mm
- Inner diameter
- 2325 mm
- Total width
- 112 mm
- External hole circle diameter
- 2610 mm
- Internal hole circle diameter
- 2391 mm
- Number of holes
- 56
- Diameter of through holes
- 33 mm
- Bolt size
- M30 mm
- Depth
- 60 mm
- Number of grease holes
- 8
- Outer diameter of inner ring
- 2497 mm
- Inner diameter of outer ring
- 2503 mm
- Width of outer ring
- 100 mm
- Distance at top outer ring/inner ring
- 12 mm
- Tooth width
- 90 mm
- Module
- 20 mm
- Number of teeth
- 136
- Tip diameter
- 2776 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 engineered with a 1:1 cross arrangement of rollers and demands high installation precision. This design ensures exact rotational control and efficient power transmission, making it ideal for applications where accuracy and reliability are critical. The external teeth facilitate seamless integration with gear systems, enabling precise positioning and smooth operation under heavy loads and diverse conditions. This bearing type combines robust construction with meticulous design to meet the rigorous demands of industrial applications that necessitate precise installation accuracy and consistent performance.
QIBR - 112.40.2500 Slewing Bearing Advantages and Applications
112.40.2500 Slewing Bearing has high precision, compact structure, strong static load capacity, Inner diameter is 2325 mm,Outer diameter is 2678 mm,Total width is 112 mm. It is suitable for ship steering gear, rotating tower, robot rotary joint and wind turbine, etc. It is the most widely used bearing in working conditions where high bearing precision is required.
QIBR - 112.40.2500 Slewing Bearing Characteristics
112.40.2500 Slewing Bearing, saves space, simple maintenance, low production cost, easy to install. 112.40.2500 Slewing Bearing, can simultaneously withstand a certain axial force, radial force and overturning moment, suitable for mechanical equipment that needs to support and transmit at the same time.
112.40.2500 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 - 112.40.2500 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 - 112.40.2500 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
The externally toothed single-row crossed roller slewing bearing features a 1:1 cross roller arrangement, requiring high installation accuracy for precise rotational control and efficient power transmission in demanding industrial applications.
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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