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ZKL Group, with headquarters in the Czech Republic, is a manufacturer and supplier of rolling-contact

bearings. ZKL Group was established in 1999, when the Czech bearing industry integrated with over sixty

years’ tradition providing research, development, manufacturing, and sales of ZKL bearings. Manufacturing

of ZKL personally-designed bearings began in 1947. The Rolling-Contact Bearing Research Institute was

established in 1953 and was integrated into the new group as ZKL – Research and Development. It

participated jointly with individual Group manufacturing plants to begin production of a large variety of

bearings, which is constantly being expanded and upgraded to meet the needs of even the most demanding

customers. Since then, ZKL operations expanded globally. The ZKL trademark was registered in 1954 and is

protected in 53 countries.

Innovation and expansion of the range of rolling-contact bearings within the group is achieved through

personal Research and Development. Bearing designs are developed with the support of the latest, highperformance

CAD programs and computer programs using the method of finite elements. Manufacturing

plants are also continuously upgraded and equipped with numerically controlled technology. One of the

latest results of personal research and development within the group, in cooperation with customers and

university research departments, is the introduction of a new generation of rolling-contact bearing production,

designated as NEW FORCE. These bearings are characterized primarily by their higher dynamic load

capacity, resulting from a comprehensive solution of technical development, including new bearing design

methods, MKP optimization of bearing internal designs, higher guaranteed bearing material parameters, new

technologies and manufacturing process.

The ZKL Group established a Quality Management System in all processes affecting bearing quality, which

is certified according to EN ISO 9001:2008. Automobile industry suppliers use a system according to ISO/

TS 16 949:2002.

The main ZKL rolling-contact bearing catalogue presents an overview of standard and special rollingcontact

bearings and accessories that are manufactured and supplied under the ZKL brand. In individual

chapters, the catalogue contains all general information about ZKL rolling-contact bearings and tables that

specify the basic parameters of the entire range of ZKL bearings. Information related to specific types of

bearings is provided in the expanded introduction of the chapter dedicated to the particular type of bearing.

In addition to the Main Catalogue, ZKL issues additional catalogues that focus on industry-specific products,

e.g. ZKL Bearings for rail vehicles or catalogues listing entirely new lines of bearings. Technical information

about the special ZKL production program and special application bearings enable more frequent updating

of content and improved distribution to targeted customers.