Bearing 6304 2ZR ZKL



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Product detailed description
Bearing 6304 2ZR ZKL: High-Quality Radial Ball Bearing
The bearing 6304 2ZR ZKL is a precision-engineered radial ball bearing designed to deliver reliable performance and long service life in various industrial applications. Manufactured by ZKL, a trusted name in bearing technology, this model combines advanced materials and meticulous craftsmanship to ensure optimal functionality under diverse operating conditions.
This bearing is equipped with metal shields on both sides, indicated by the "2ZR" suffix, which provide effective protection against dirt, dust, and other contaminants while maintaining low friction for smooth rotation. The robust design contributes to reduced maintenance needs and enhanced durability, making it suitable for heavy-duty machinery, electric motors, agricultural equipment, and other mechanical systems requiring dependable rotational support.
Key Features and Benefits
- Designation: 6304 2ZR ZKL
- Type: Deep groove radial ball bearing
- Sealing: Double metal shields (2ZR) for contamination protection and retention of lubricant
- Manufacturer: ZKL – renowned for high-quality bearing solutions
- Durability: Engineered for long service life with excellent wear resistance
- Performance: Low noise and vibration levels ensuring smooth operation
- Maintenance: Minimal maintenance required due to sealed design
Dimensions
The bearing 6304 2ZR ZKL features standardized dimensions that make it compatible with a wide range of equipment:
- Inner Diameter (Bore): 20 mm
- Outer Diameter: 52 mm
- Width: 15 mm
These precise dimensions facilitate straightforward installation and replacement, ensuring seamless integration into existing mechanical assemblies.
Applications
The 6304 2ZR ZKL bearing is widely used across multiple sectors due to its versatility and dependable performance. Typical applications include:
- Electric motors and generators
- Industrial machinery and conveyors
- Agricultural and construction equipment
- Automotive components
- Pumps and compressors
Its sealed design and robust construction make it an excellent choice for environments where contamination is a concern, while maintaining efficient rotational movement is critical.
Investing in the bearing 6304 2ZR ZKL ensures enhanced operational efficiency, reduced downtime, and extended equipment lifespan, making it a reliable component for your mechanical needs.

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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.