Bearing N 311 M SRO



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Product detailed description
bearing N 311 M SRO – High-Quality Spherical Roller Bearing
The bearing N 311 M SRO is a robust and reliable spherical roller bearing designed to accommodate heavy radial loads and moderate axial loads in both directions. This bearing type is widely used in industrial applications where durability and performance are critical, such as in heavy machinery, mining equipment, and large electric motors.
Constructed with precision engineering, the N 311 M SRO features two rows of symmetrical barrel-shaped rollers that allow it to handle misalignment and shaft deflections efficiently. Its solid outer ring and the optimized internal design ensure smooth operation and extended service life even under harsh operating conditions.
Key Features and Benefits
- Durable Design: Manufactured with high-quality steel to withstand intense radial loads and reduce wear.
- Self-Aligning Capability: The spherical roller design compensates for shaft misalignment and mounting errors.
- Low Maintenance: Designed for long intervals between lubrication and minimal maintenance requirements.
- Versatile Applications: Suitable for heavy-duty industrial environments including conveyors, crushers, and gearboxes.
Dimensions and Specifications
The bearing N 311 M SRO has the following standard dimensions:
- Inner Diameter (d): 55 mm
- Outer Diameter (D): 120 mm
- Width (B): 29 mm
These dimensions make it a compact yet powerful solution for various mechanical systems requiring high load capacity and reliability.
Applications
Due to its high load capacity and self-aligning properties, the bearing N 311 M SRO is commonly used in:
- Heavy machinery and industrial equipment
- Mining and construction machinery
- Electric motors and generators
- Material handling equipment
- Paper and pulp industry machinery
Choosing the bearing N 311 M SRO ensures enhanced operational efficiency and reduced downtime, making it an excellent choice for demanding industrial applications.

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SRO: Leading Manufacturer of Bearings and Transmission Technology
SRO is a renowned manufacturer specializing in high-quality bearings and advanced transmission technology. With a commitment to innovation and precision engineering, SRO has established itself as a trusted partner across numerous industries worldwide.
History and Company Background
Founded several decades ago, SRO has continuously evolved to meet the demanding requirements of modern machinery and industrial applications. Over the years, the company has invested heavily in research and development, adopting state-of-the-art manufacturing processes to deliver reliable and efficient components that optimize performance and durability.
Comprehensive Product Range
SRO offers an extensive portfolio of products tailored to various mechanical and transmission needs, including:
- Rolling Bearings – including deep groove ball bearings, cylindrical roller bearings, tapered roller bearings, and spherical roller bearings designed for high load capacities and longevity.
- Plain Bearings – offering solutions for friction reduction in diverse applications.
- Transmission Components – such as gearboxes, couplings, and drive shafts engineered for optimal torque transmission and minimal energy loss.
- Specialized Bearings – including customized and precision bearings for unique applications in aerospace, automotive, and heavy machinery.
Main Focus and Technological Expertise
SRO focuses on delivering high-performance bearing solutions that enhance machine reliability and operational efficiency. The company emphasizes:
- Precision manufacturing with tight tolerance controls
- Advanced materials for superior wear resistance and strength
- Innovative bearing designs to reduce friction and extend service life
- Sustainable production methods aligned with environmental standards
Application Areas
SRO’s products are widely used in:
- Automotive Industry – powering engines, transmissions, and chassis components
- Industrial Machinery – supporting heavy-duty manufacturing and processing equipment
- Renewable Energy – in wind turbines and other sustainable energy generation systems
- Aerospace – precision bearings for aircraft systems requiring utmost reliability
- Railways and Transportation – ensuring smooth and efficient movement of rolling stock
Company Headquarters
SRO is headquartered in [City, Country]. The central location enables the company to serve a global customer base efficiently and maintain close collaboration with partners and clients worldwide. (If specific details about the headquarters are not publicly available, this section can be updated accordingly.)
As a forward-thinking manufacturer, SRO remains dedicated to advancing the field of bearing and transmission technology, supporting industries with innovative solutions that drive progress and performance.