Manufacturing of bearings

Manufacturing of bearings is assured and ensured according to the related national and international dimensional and material standards, internal regulations and standards of company assuring the quality management system according to STN ISO 9001. Increasing dynamical load of bearing through improving semi-finished material part properties is a determining factor for the future bearing lifetime.

ZVL SLOVAKIA, a.s. has a wide production and technology know-how and implements and guarantees the use of modern technologies for economic efficiency and precision of products. There are technological processes in connection with the bearing manufacturing, which significantly impact the service life and roller bearing capacity – forming, machining, heat treatment, washing, assembling, preservation and packing.

Material of bearing rings
All-hardenable chromium steel (100Cr6)
All-through-hardening chromium-manganese steel (100CrMnSi6-4)
Cemented, induction hardened steels (According to customer requirements)

Material of rolling bodies
All-hardenable chromium steel (100Cr6)
All-through-hardening chromium-manganese steel (100CrMnSi6-4)

Material of bearing cages
Sheet metal	deep-drawing sheet metal (St4) - without marking, suffix J
Brass	M marking
Plastic material	polyamide PA6.6, containing glass fiber - TNG, TNGH
Phenolic resin	hardened fabric - T marking

Stability and reliability is proven by presence of ZVL products on the world market through well-built and powerful distribution network, and thus we secure constant connection with our business partners. Our main goal is to meet the most demanding requirements of our customers from various industrial branches through wide product portfolio of standard and special bearings.