Bearing 30303 A ZKL



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Product detailed description
Bearing 30303 A ZKL – High-Quality Precision Bearing
The bearing 30303 A ZKL is a premium spherical roller bearing designed to provide exceptional performance and durability in demanding industrial applications. Manufactured by ZKL, a renowned company specializing in bearing technology, this bearing ensures reliable operation under heavy radial and axial loads.
This bearing model is engineered to offer excellent resistance to wear and fatigue, making it ideal for use in machinery such as conveyor systems, gearboxes, mining equipment, and heavy-duty motors. Its robust construction contributes to a longer service life and reduced maintenance requirements, enhancing overall equipment efficiency.
Key Features of Bearing 30303 A ZKL
- Type: Spherical Roller Bearing
- Manufacturer: ZKL
- Load Capacity: Designed for high radial and axial loads
- Durability: Enhanced resistance to wear, fatigue, and impact
- Sealing: Typically open or with shields/seals depending on variant
Dimensions and Specifications
The 30303 A ZKL bearing features the following precise dimensions:
- Inner Diameter (d): 17 mm
- Outer Diameter (D): 47 mm
- Width (B): 14 mm
These dimensions make it suitable for a wide range of mechanical assemblies where space and load requirements are critical. The bearing’s spherical rollers and self-aligning capability allow it to manage shaft misalignments effectively, reducing stress on adjacent components.
Applications and Benefits
The bearing 30303 A ZKL is widely used in sectors that demand reliable rotational performance, including:
- Industrial gearboxes
- Electric motors and generators
- Pumps and compressors
- Material handling equipment
- Mining and construction machinery
By integrating the 30303 A ZKL bearing into your equipment, you benefit from increased operational stability, reduced downtime, and improved overall productivity. Its high-quality materials and precise manufacturing standards ensure consistent performance even in harsh working environments.

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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.