Products
What are Spherical Roller Bearings
Spherical roller bearings represent high-performance rolling bearings specifically engineered to withstand extreme radial loads and bidirectional axial loads while compensating for misalignment between shafts and housings. Structurally featuring two symmetrically arranged rows of barrel-shaped rollers operating on two inner ring raceways and matching with a common spherical outer ring raceway. The unique spherical outer ring design provides self-aligning capability, demonstrating exceptional adaptability in applications where shaft deflection or mounting inaccuracies are inevitable.
Characteristics of Spherical Roller Bearings
Regarding structural design, spherical roller bearings possess several distinctive features:
- Double-row roller arrangement: Symmetrically positioned roller rows significantly increase contact area, enabling bearing to sustain extremely high radial loads while accommodating bidirectional axial loads
- Spherical raceway system: Spherical geometry of outer ring raceway allows automatic angular adjustment during mounting misalignment or shaft deformation, with typical alignment compensation ranging from 0.5° to 2.0°
- Optimized roller profile: Barrel-shaped rollers combined with crowned raceways achieve optimal load distribution, effectively reducing edge stress concentration
- Diverse cage options: Providing pressed steel cages, machined brass cages, or high-performance polymer cages according to speed, temperature and operational requirements
- Flexible sealing configurations: Ranging from open designs to lifetime sealed structures, meeting protection needs in various contaminated environments
- Professional material systems: Utilizing high-carbon chromium bearing steel through precision heat treatment, with stainless steel, surface nitriding or special coating alternatives for specific working conditions
Advantages of Spherical Roller Bearings
Spherical roller bearings demonstrate multiple advantages in industrial applications:
- Exceptional load capacity: Optimized internal structure provides higher radial load capacity per unit size, making them preferred solution for heavy equipment
- Automatic alignment capability: Effective compensation for shaft system misalignment reduces installation precision requirements, adapting to long shafts or flexible support structures
- Outstanding environmental adaptability: Carefully designed internal clearance and sealing systems ensure stable operation under shock loads, vibration conditions and contaminated environments
- Extended lubrication characteristics: Improved internal geometry and cage design reduce operating temperatures, extend lubrication intervals and minimize maintenance requirements
- Diversified configuration options: Offering comprehensive product series from conventional lubrication to lifetime sealing, from standard dimensions to customized solutions
We Can Solve Your Problems
Addressing specific application requirements, we provide professional engineering solutions:
- Precision selection services: Recommending optimal bearing series, dimension configurations and clearance grades through load spectrum analysis, shaft system deformation calculations and operating condition assessment
- Material customization solutions: Providing stainless steel materials, nitriding treatments or hybrid ceramic solutions for corrosive, high-temperature or clean environment requirements
- Sealing and lubrication strategies: Designing specialized sealing systems and lubrication plans according to contamination levels and maintenance cycles, maximizing service life
- Installation technical support: Offering fit tolerance recommendations, installation guidance procedures and operation inspection schemes to ensure optimal bearing performance
- Condition monitoring programs: Establishing vibration monitoring, grease analysis and temperature monitoring systems to achieve predictive maintenance and reduce total lifecycle costs
Frequently Asked Questions
Find answers to common questions about our bearings. If you don’t find what you’re looking for, please don’t hesitate to contact us.
How should spherical roller bearings be lubricated?
Most spherical roller bearings include oil grooves and holes in the outer ring for easy lubrication, often marked with the suffix “E4.” These allow efficient grease or oil flow, reducing friction and extending service life.
What’s the difference between using paired tapered roller bearings and a spherical roller bearing?
Paired tapered roller bearings handle high combined loads but allow little misalignment. Spherical roller bearings, on the other hand, can self-align and handle shaft deflection, making them better for heavy-duty or vibrating applications.
What grease is suitable for spherical roller bearings?
Use high-quality lithium-based grease such as Shell Alvania S2 or Mobil XHP 222. For high-temperature or heavy-load conditions, select synthetic grease with strong anti-wear performance.