Bearing 31308 ZKL



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Product detailed description
Bearing 31308 ZKL is a high-quality spherical roller bearing designed to provide superior performance and durability in heavy-duty applications. Manufactured by ZKL, a trusted name in the bearing industry, this bearing is engineered to handle heavy radial loads and moderate axial loads in both directions, making it ideal for use in industrial machinery, mining equipment, and other demanding environments.
The 31308 ZKL bearing features a robust construction with two rows of spherical rollers, allowing for excellent self-alignment capabilities. This design helps to compensate for shaft deflections and misalignments, reducing the risk of premature wear and extending the service life of the bearing. Additionally, the "Z" designation indicates that this bearing comes with a single metal shield on one side, providing protection against contamination while maintaining good lubrication retention.
Key Features of Bearing 31308 ZKL
- Type: Spherical roller bearing
- Shielding: Single metal shield (Z)
- Manufacturer: ZKL
- High load capacity for radial and axial forces
- Self-aligning design to accommodate shaft misalignment
- Durable construction for long operational life
Technical Specifications
- Inner Diameter (d): 40 mm
- Outer Diameter (D): 90 mm
- Width (B): 23 mm
This bearing is suitable for applications requiring reliability under heavy loads and harsh operating conditions. Its precise engineering and quality materials ensure that it performs efficiently, minimizing downtime and maintenance costs. Whether used in conveyors, gearboxes, or heavy machinery, the 31308 ZKL bearing delivers consistent and dependable performance.
Upgrade your equipment with the 31308 ZKL bearing to experience enhanced durability, smooth operation, and excellent resistance to wear and contamination.

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ZKL Bearings and Transmission Technology Manufacturer
ZKL is a renowned manufacturer specializing in the production of high-quality bearings and advanced transmission technology solutions. With a rich history and commitment to innovation, ZKL has established itself as a key player in the global bearing industry.
Company History
Founded in 1947, ZKL has grown from a small manufacturer into one of the leading European producers of rolling bearings. Over the decades, the company has continuously invested in modern production technologies and research & development to maintain its competitive edge and deliver superior products to various industries worldwide.
Product Range
ZKL offers a comprehensive range of bearing products and transmission components designed for durability, precision, and high performance:
- Deep Groove Ball Bearings – versatile bearings suitable for various applications.
- Roller Bearings – including cylindrical roller bearings and spherical roller bearings for heavy load capacity.
- Needle Roller Bearings – optimized for space-constrained applications requiring high load capacity.
- Special Bearings and Customized Solutions – tailored bearings designed to meet unique industry requirements.
- Transmission Components – precision parts used in a variety of mechanical transmission systems.
Main Focus and Technologies
ZKL focuses on delivering reliable and innovative bearing solutions that cater to demanding operational conditions. The company emphasizes:
- Material excellence and cutting-edge manufacturing processes to ensure product longevity.
- Advanced heat treatment and sealing technologies for enhanced bearing performance.
- Customization and flexibility to accommodate specific customer needs across different sectors.
Application Areas
ZKL bearings and transmission products are widely used in a diverse range of industries, including:
- Automotive and transportation
- Industrial machinery and equipment
- Energy sector, including wind turbines and power plants
- Engineering and manufacturing processes
- Railway and aerospace technologies
Company Headquarters
ZKL is headquartered in Plzeň, Czech Republic. From this strategic location, the company serves a broad international market, combining traditional European manufacturing quality with modern technological standards to meet the evolving needs of its customers.