SD.955.25.00.B
- Brand
- QIBR
- Alternative brand
- ATB
- Rolling element type
- Ball
- Measurement system
- Metric
- Weight
- 101 kg
- Outer diameter
- 955 mm
- Inner diameter
- 755 mm
- Total width
- 63 mm
- External hole circle diameter
- 915 mm
- Internal hole circle diameter
- 795 mm
- Number of holes
- 28
- Bolt hole diameter
- 22 mm
- Outer diameter of inner ring
- 856 mm
- Inner diameter of outer ring
- 856 mm
- Width of outer ring
- 54 mm
- Width of inner ring
- 54 mm
- Gear type
- No gear
- Step diameter outer ring
- 953 mm
- Step diameter inner ring
- 757 mm
- 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
Tell us your operating requirements and required quantity.
Description
The SD.25.B slewing bearing is a single row four-point contact ball bearing designed to handle axial, radial, and moment loads simultaneously. It features a specific size configuration denoted by its designation, indicating internal and external diameter dimensions. With a robust construction typically made from high-quality materials like forged or cast steel, it offers durability and reliability in demanding applications such as cranes, excavators, and wind turbines. The bearing is engineered to operate at rotational speeds suitable for its design, ensuring efficient performance under various load conditions. Proper lubrication is essential to minimize friction and wear, thereby maintaining smooth operation and extending the bearing's service life. These characteristics collectively make the SD.25.B slewing bearing a preferred choice for industries requiring precise rotational movement and heavy load-bearing capacity.
QIBR - SD.955.25.00.B Slewing Bearing Advantages and Applications
SD.955.25.00.B Slewing Bearing has strong vibration resistance and stable operation. Inner diameter is 755 mm,Outer diameter is 955 mm,Weight is 101 kg. It is suitable for rock drilling machinery, tunneling machines, concrete pump trucks, and concrete mixing boom integrated machines, etc.It is the most widely used bearing in working conditions that require stable operation.
QIBR - SD.955.25.00.B Slewing Bearing Characteristics
SD.955.25.00.B Slewing Bearing, long service life, easy replacement, low maintenance cost. SD.955.25.00.B Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment that needs to resist impact force.
SD.955.25.00.B 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 - SD.955.25.00.B 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 - SD.955.25.00.B 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 SD.25.B slewing bearing is a single row four-point contact ball bearing designed to handle axial, radial, and moment loads simultaneously
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
Showing 4 of 7
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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