Bearing 635 2ZR ZKL



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Product detailed description
Bearing 635 2ZR ZKL – High-Quality Radial Ball Bearing
The 635 2ZR ZKL is a premium radial ball bearing designed to deliver reliable performance and durability in various mechanical applications. Manufactured by ZKL, a renowned producer of high-precision bearings, this model is engineered to meet stringent quality standards, ensuring smooth operation and long service life.
This bearing features a 2ZR designation, which indicates that it is equipped with two metal shields (one on each side). These shields provide effective protection against dust and other contaminants while maintaining low friction, making the bearing suitable for environments where moderate protection from dirt and debris is required without compromising speed or efficiency.
Key Features of 635 2ZR ZKL
- Type: Single-row deep groove ball bearing
- Shields: 2ZR – metal shields on both sides for protection and smooth rotation
- Manufacturer: ZKL, known for precision and quality
- Material: High-grade bearing steel for durability and resistance to wear
- Performance: Low friction, high rotational speed capability, and excellent load handling
- Applications: Suitable for electric motors, automotive components, household appliances, and industrial machinery
Standard Dimensions
The 635 2ZR ZKL bearing conforms to the ISO standard 635 series dimensions:
- Inner Diameter (d): 5 mm
- Outer Diameter (D): 14 mm
- Width (B): 5 mm
These compact dimensions make the 635 2ZR ZKL ideal for applications requiring small, precise, and efficient bearings.
Applications and Benefits
The 635 2ZR ZKL is widely used in various industries thanks to its robust construction and reliable shielding. Its design minimizes maintenance requirements and extends the lifespan of the machinery it supports. Whether used in automotive systems, electric motors, or precision instruments, this bearing provides:
- Enhanced operational stability
- Resistance to contamination and wear
- Quiet and smooth rotation
- Optimized performance under radial and axial loads
Choosing the 635 2ZR ZKL ensures you get a trustworthy component that contributes to the efficiency and longevity of your equipment.

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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.