2910DBD101t
- Бренд
- QIBR
- Alternative brand
- NSK
- Rolling element type
- Ball
- Measurement system
- Metric
- Weight
- 3040 kg
- Outer diameter
- 3440 mm
- Inner diameter
- 2910 mm
- Total width
- 222 mm
- External hole circle diameter
- 3365 mm
- Internal hole circle diameter
- 3140 mm
- Inner diameter of outer ring
- 3212 mm
- Outer diameter of inner ring
- 3205 mm
- Number of mounting holes of the inner ring
- 68
- Number of mounting holes of the outer ring
- 68
- Hole diameter at inner ring
- M36 mm
- Depth1
- 70 mm
- Depth2
- 60 mm
- Hole diameter at outer ring
- 39 mm
- Distance at top outer ring/inner ring
- 47 mm
- Width of outer ring
- 178 mm
- Tip diameter
- 2910 mm
- Module
- 25 mm
- Number of teeth
- 118
- Tooth width
- 175 mm
- Gear P.C.D
- 2950 mm
- Gear type
- Internal gear
- Max. permissible tooth forces
- 325 kN
- Basic static load rating (axial)
- 22.8 kN
- 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
Укажите условия эксплуатации и необходимое количество.
Описание
The single-row ball slewing bearing with different diameters is specifically designed with larger axial and radial dimensions and a compact structure, making it highly suitable for crane equipment applications. This type of bearing is engineered to handle substantial axial and radial loads encountered in crane operations, providing robust support and stability during rotational movements. The use of single rows of balls ensures efficient load distribution and enhances the bearing's capacity to withstand dynamic forces and moments typical in crane operations. Its tight structure minimizes space requirements while maximizing strength and reliability, crucial factors in ensuring safe and efficient crane performance. Therefore, the single-row ball slewing bearing with different diameters stands out as a dependable choice for the demanding requirements of crane equipment.
QIBR - 2910DBD101t Slewing Bearing Advantages and Applications
2910DBD101t Slewing Bearing has small assembly clearance and strong load-bearing capacity. Inner diameter is 2910 mm,Outer diameter is 3440 mm,Total width is 222 mm,Weight is 3040 kg. It is suitable for dredgers, port cranes, reach stackers, and marine cranes, etc. and is the most widely used bearing in working conditions requiring high loads.
QIBR - 2910DBD101t Slewing Bearing Characteristics
2910DBD101t Slewing Bearing, less wear and longer life. 2910DBD101t Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment bearing high loads.
2910DBD101t 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 - 2910DBD101t 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 - 2910DBD101t 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.
Особенности и преимущества
The single-row ball slewing bearing with different diameters has relatively large axial and radial dimensions and a tight structure, and is used in crane equipment.
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.
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Анкета условий работы подшипника
Bearing Condition Questionnaire
Документы для дилеров
Agent Application Form
Каталог продукции
Slewing & Cross Roller Bearing Catalog
Каталог продукции
Bearing Unit Catalog
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