Bearing 31306 E ZKL



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Product detailed description
Bearing 31306 E ZKL
The 31306 E ZKL is a high-quality spherical roller bearing designed to deliver exceptional performance and durability in demanding industrial applications. Manufactured by ZKL, a renowned producer of bearings, this model is engineered to accommodate heavy radial loads as well as axial loads in both directions, making it an ideal choice for versatile machinery and equipment.
This bearing features robust construction with precision-engineered rollers and an optimized cage design, ensuring smooth operation and reduced friction. The "E" designation indicates an enhanced internal design that provides increased load carrying capacity compared to standard versions, while the "Z" refers to a single metal shield on one side, offering protection against moderate contamination and facilitating lubrication retention.
Commonly utilized in industries such as mining, construction, and heavy machinery manufacturing, the 31306 E ZKL excels in applications requiring reliable performance under harsh conditions, including shock loads and high temperatures.
Key Features and Benefits
- Load Capacity: Suitable for heavy radial and axial loads in both directions, ensuring robust operational reliability.
- Shielding: Single metal shield (Z) provides effective protection against dirt and debris while retaining lubricant.
- Durability: High-quality materials and precise manufacturing processes extend service life and reduce maintenance needs.
- Versatility: Ideal for various industrial applications including gearboxes, conveyors, and heavy-duty motors.
- Enhanced Design: The "E" internal design offers improved load ratings and performance over standard spherical roller bearings.
Specifications
The 31306 E ZKL bearing conforms to international standards for spherical roller bearings. The standard dimensions for the 31306 size are:
- Inner Diameter (d): 30 mm
- Outer Diameter (D): 72 mm
- Width (B): 19 mm
These dimensions make the 31306 E ZKL suitable for compact assemblies where space is limited but high load capacity is required.
Conclusion
Choosing the 31306 E ZKL spherical roller bearing ensures reliable operation, high load tolerance, and extended service intervals in challenging industrial environments. Whether for replacing worn bearings or incorporating into new machinery, this product from ZKL offers an excellent balance of performance and durability.

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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.