Bearing 31307 EC6 ZKL



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Product detailed description
Bearing 31307 EC6 ZKL
The 31307 EC6 ZKL is a high-quality spherical roller bearing designed to provide exceptional performance and durability in demanding industrial applications. Manufactured by ZKL, a renowned producer of precision bearings, this model is engineered to handle heavy radial loads and moderate axial loads in both directions, making it an ideal choice for machinery subjected to challenging operating conditions.
This bearing features a robust design with two rows of spherical rollers that allow for self-alignment, effectively compensating for shaft misalignment and reducing the risk of premature failure. The "EC6" designation indicates an enhanced internal design that offers improved load capacity and longer service life compared to standard versions.
Key characteristics of the 31307 EC6 ZKL include:
- High radial load capacity suitable for heavy-duty applications
- Self-aligning capability to accommodate shaft deflections and misalignments
- Durable construction for extended operational life
- EC6 cage design, ensuring optimal roller guidance and reduced friction
- Sealed or shielded options available to protect against contaminants (subject to specific product variants)
The 31307 EC6 ZKL bearing is commonly used in industries such as mining, construction, steel production, and heavy machinery, where reliability and performance are critical. Its ability to maintain stable operation under varying loads and conditions helps reduce downtime and maintenance costs.
Please note that the standard dimensions for the 31307 series bearings are typically 35 mm bore diameter, 80 mm outer diameter, and 21 mm width according to international bearing standards, ensuring compatibility with a wide range of equipment and mounting designs.
Choosing the 31307 EC6 ZKL bearing means investing in a proven component that combines strength, precision, and longevity to support your industrial machinery’s optimal function.

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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.