310DBS201y
- Brand
- QIBR
- Alternative brand
- NSK
- Rolling element type
- Ball
- Measurement system
- Metric
- Weight
- 62 kg
- Outer diameter
- 528 mm
- Inner diameter
- 310 mm
- Total width
- 80 mm
- External hole circle diameter
- 465 mm
- Internal hole circle diameter
- 345 mm
- Number of mounting holes of the inner ring
- 23
- Number of mounting holes of the outer ring
- 12
- Hole diameter at outer ring
- 16.5 mm
- Hole diameter at inner ring
- 17 mm
- Distance at bottom outer ring/inner ring
- 13 mm
- Width of inner ring
- 66 mm
- Inner diameter of outer ring
- 403 mm
- Outer diameter of inner ring
- 407 mm
- Gear type
- External gear
- Module
- 6 mm
- Number of teeth
- 86
- Gear P.C.D
- 516 mm
- Tooth width
- 62 mm
- Tooth forces
- 48.5 kN
- Basic static load rating (axial)
- 1.55 kN
- 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
- Ball material
- AISI 52100
- Cage material
- Nylon
Tell us your operating requirements and required quantity.
Description
The slewing bearing features an inner ring with toothed steps and utilizes a four-point contact structure, specifically designed for small and medium-sized cranes. This configuration ensures optimal load distribution and stability during operation, accommodating both radial and axial forces effectively. The toothed steps on the inner ring facilitate precise positioning and rotational control, essential for crane applications where accuracy and reliability are paramount. The bearing's robust construction and high-quality materials enhance durability, making it suitable for prolonged use in challenging environments. Its design supports smooth operation and minimal maintenance, contributing to efficient performance and extended service life in industrial settings.
QIBR - 310DBS201y Slewing Bearing Advantages and Applications
310DBS201y Slewing Bearing has strong anti-overturning ability and good high-speed performance.Inner diameter is 310 mm，Outer diameter is 528 mm，Total width is 80 mm，Weight is 62 kg. It is suitable for sand mixers, filling machines, belt feeders, graders, tunneling machines, and Ferris wheels, etc. and is the most widely used bearing in working conditions that need to withstand overturning moments.
QIBR - 310DBS201y Slewing Bearing Characteristics
310DBS201y Slewing Bearing, low cost, high safety, easy maintenance. 310DBS201y Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with high safety requirements.
310DBS201y 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 - 310DBS201y 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 - 310DBS201y 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
Inner ring with toothed steps, four-point contact structure, used for small and medium-sized cranes
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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