The Importance of Raw Material Purity and Cleanliness Requirements for Precision Bearing Rings

PROSINO SRL manufactures 100% in Italy, more than 9.000.000 high precision steel rings for bearings, mechanical applications and textile machinery.

Its secret is not only high performance turning machines or deep employee expertise, but the raw material used in the manufacturing process of the rings. The competence of the company starts from the sourcing of the best raw material and its subsequent manufacturing steps, like turning with different high-end technologies, milling, drilling,  heat treatment, grinding and vibro-polishing.

The bearing industry uses different materials for the production of the various bearing components. The materials are processed to achieve desirable properties to maximize bearing performance and life.

Prosino purchases tubes and bars only from world leading companies based in Europe.