Bearing 30311 ZKL



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Product detailed description
Bearing 30311 ZKL: High-Quality Precision and Durability
The bearing 30311 ZKL is a robust and reliable component designed to meet the demanding needs of various industrial applications. Manufactured by ZKL, a reputable brand known for its precision engineering and quality assurance, this bearing ensures optimal performance and extended service life.
Specifically engineered as a spherical roller bearing, the 30311 ZKL is ideal for handling heavy radial loads and moderate axial loads in both directions. It is commonly used in heavy machinery, conveyor systems, electric motors, and gearboxes, where durability and resistance to harsh operating conditions are critical.
Key Features and Benefits
- Durability: Constructed from high-grade steel, the 30311 ZKL bearing offers excellent wear resistance and withstands high-impact forces.
- Precision Engineering: Designed with accurately machined components to reduce friction and ensure smooth rotational motion.
- Sealing: The "Z" in the designation indicates a single metal shield on one side, providing protection against contaminants while allowing for moderate-speed operation.
- Load Capacity: Capable of supporting heavy radial loads and moderate axial loads, making it versatile for various industrial uses.
- Maintenance: Designed for easy installation and maintenance, contributing to reduced downtime.
Dimensions and Specifications
The bearing 30311 ZKL has standardized dimensions according to international bearing standards:
- Inner Diameter (d): 55 mm
- Outer Diameter (D): 100 mm
- Width (B): 25 mm
These precise measurements ensure compatibility with a wide range of machinery and facilitate straightforward replacement or integration.
Applications
Thanks to its sturdy construction and reliable performance, the 30311 ZKL bearing is widely used in:
- Heavy-duty industrial equipment
- Mining and construction machinery
- Electric motors and generators
- Conveyor systems and material handling
- Gearboxes and transmissions
Choosing the bearing 30311 ZKL helps enhance machine efficiency, reduce maintenance costs, and extend operational lifespan.

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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.