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Double Row Self Aligning Roller Bearing High Load 22205 Bearing 25x52x18 For Heavy Machinery
22205 Self-Aligning Roller Bearing: High-Load, Aligning & Durable For Heavy Machinery
Product Overview
The 22205 self-aligning roller bearing is a crucial component in mechanical systems designed to handle complex load conditions and operational challenges. Featuring an inner diameter of 25mm, outer diameter of 52mm, and width of 18mm, this bearing is suitable for applications requiring management of both radial and axial loads while accommodating misalignment issues.
Structural Design
Rolling Elements
Equipped with two rows of drum-shaped rollers made from high-quality high-carbon chromium bearing steel. The drum-shaped design provides larger contact area with raceways, increasing radial load-carrying capacity and enabling better load distribution.
Raceways
Features inner ring with two raceways and outer ring with spherical raceway. The spherical outer-ring raceway enables self-aligning function, compensating for misalignment between shaft and housing. Raceways are hardened to HRC58-64 for excellent wear and fatigue resistance.
Cage
Utilizes high-strength steel cage with precise pockets to separate and guide rollers, preventing collision during operation. Some designs include special coatings or additional heat treatment for enhanced strength and wear resistance.
Performance Characteristics
High Radial Load-Carrying Capacity
Double-row roller design and large contact area enable substantial radial load handling, making it suitable for heavy-duty machinery in mining, construction, and industrial applications.
Good Axial Load-Carrying Ability
Can handle axial loads in either direction through rib structure and roller arrangement, useful in gearbox systems and conveyor belt drives.
Exceptional Self-Aligning Capability
Spherical outer-ring raceway allows automatic adjustment to misalignment between shaft and housing, reducing stress concentrations and preventing premature failure.
High-Speed Rotation Stability
Optimized design ensures low friction and reduced vibration during high-speed operation, suitable for industrial pumps and compressors.
Application Fields
Industrial Machinery
Used in large-scale industrial motors, conveyor systems, and industrial gearboxes for reliable support and power transmission.
Mining and Construction Equipment
Commonly used in mining crushers, excavators, and loaders to endure massive impact and heavy loads in harsh operating conditions.
Power Generation Equipment
Found in rotor support systems of generators and turbines, ensuring stable operation under high-speed and high-load conditions.
Transportation Equipment
Utilized in axle support systems of trucks and buses, supporting vehicle weight while compensating for misalignment from road irregularities.
Dimensions and Specifications
Dimension Type
Value
Inner Diameter (d)
25mm
Outer Diameter (D)
52mm
Width (B)
18mm
Maintenance Points
Lubrication Management
Proper lubrication is crucial for performance and lifespan. Use high-quality lithium-based grease for general applications, or synthetic greases/oil-based lubricants for high-temperature/high-load environments. Fill approximately one-third to one-half of bearing internal space and establish regular lubrication intervals.
Regular Inspection
Conduct visual inspections for cracks, corrosion, or abnormal wear. Monitor vibration and temperature to detect changes in operating condition. Address any abnormalities promptly to prevent further damage.
Installation Precautions
Ensure clean working environment and use specialized tools. Maintain proper interference fit between inner ring and shaft, and clearance fit for outer ring in housing. Proper alignment with shaft and housing is essential for optimal performance.
Storage Considerations
Store in clean, dry, well-ventilated area protected from moisture and extreme temperatures. Keep in original packaging or anti-rust paper, placed horizontally to avoid uneven stress. Conduct regular storage condition checks.
Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was... Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was...
