Bearing 51203 P6 ZKL



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Product detailed description
Bearing 51203 P6 ZKL: Precision and Reliability for Your Machinery
The bearing 51203 P6 ZKL is a high-quality spherical roller bearing designed to deliver exceptional performance and durability in demanding industrial applications. Manufactured by ZKL, a trusted name in the bearing industry, this model stands out for its precision engineering, robust construction, and ability to withstand heavy radial and axial loads.
Featuring a P6 accuracy class, the 51203 P6 ZKL bearing ensures enhanced rotational precision and reduced vibration, making it an ideal choice for high-speed operations where reliability and smooth performance are critical. The spherical roller design allows it to accommodate misalignment and shaft deflection without compromising operational stability.
Key Features and Benefits
- Designation: 51203 P6 ZKL
- Type: Spherical Roller Bearing
- Accuracy Class: P6 (high precision)
- Manufacturer: ZKL
- Load Capacity: Designed to handle heavy radial and axial loads
- Durability: Constructed with high-grade materials for long service life
- Misalignment Accommodation: Spherical rollers allow self-aligning capability
Dimensions
The bearing 51203 P6 ZKL has the following exact dimensions:
- Inside Diameter (ID): 17 mm
- Outside Diameter (OD): 40 mm
- Width: 16 mm
These compact dimensions make the 51203 P6 ZKL suitable for a wide range of machinery, including electric motors, gearboxes, pumps, and heavy-duty industrial equipment.
Applications
Thanks to its robust design and precision, the bearing 51203 P6 ZKL is commonly used in sectors such as:
- Automotive and transport machinery
- Mining and construction equipment
- Industrial gearboxes and electric motors
- Wind turbines and renewable energy systems
- Material handling and conveyor systems
Choosing the 51203 P6 ZKL bearing ensures optimal machine performance, reduced downtime, and long-lasting reliability even under harsh operating conditions.

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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.