Bearing 635 2Z C3 ZKL



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Product detailed description
Bearing 635 2Z C3 ZKL
The 635 2Z C3 ZKL is a high-quality deep groove ball bearing designed for reliable performance in a wide range of industrial and mechanical applications. Manufactured by ZKL, a renowned producer of precision bearings, this model ensures durability, smooth operation, and enhanced resistance to contamination and wear.
This bearing is engineered with two metal shields (2Z), which provide effective protection against dirt, dust, and other contaminants while allowing for minimal friction. The C3 clearance indicates that the bearing has a slightly greater internal clearance than standard, making it suitable for applications where thermal expansion or shaft deflection may occur.
Key Features of 635 2Z C3 ZKL
- Type: Deep groove ball bearing
- Shielding: 2Z – double metal shields on both sides
- Internal Clearance: C3 – increased radial internal clearance
- Manufacturer: ZKL
- Material: High-grade bearing steel for enhanced durability
- Resistance: Protection against dust and debris with metal shields
- Applications: Suitable for electric motors, gearboxes, pumps, and other rotating equipment
Dimensions
The 635 2Z C3 ZKL bearing conforms to the standard 635 bearing dimensions:
- Inner diameter (d): 5 mm
- Outer diameter (D): 16 mm
- Width (B): 5 mm
These compact dimensions make the 635 2Z C3 ZKL ideal for small assemblies requiring precise rotational movement with minimal space.
Applications and Benefits
The 635 2Z C3 ZKL bearing is widely used in applications where compact size and reliable performance are critical. Its metal shields provide enhanced protection against contaminants, making it suitable for environments with moderate exposure to dust and debris. The increased internal clearance (C3) allows for stable operation under varying temperature conditions and shaft deflections, which is essential for high-speed machinery and precision instruments.
Choosing the 635 2Z C3 ZKL ensures low friction and long service life, reducing maintenance needs and downtime. Whether you are replacing worn bearings or designing new equipment, this ZKL bearing delivers consistent quality and performance.

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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.