Material:

SAE 52100 for races and rolling elements quality steel for cages. Material is checked chemically and metallurgically before taking into production.

Anneling:

Raw material is produced in spheroidised anneling condition.

Heat Treatment:

Races are harderned and tempered to 60 ± 2 HRC Rolling elements are harnderned and tempered after heat treatment.


Crack Testing:

Races and rolling elements and 100% for raw material, heat treatment and grinding cracks by magnaflux method.

Super Grinding:

Races are grinding on magnet shoe and frequency meter, to get super finishing and very low R. A. (roughness average) value.

Cleaning:

Races and rolling elements are cleaned ultrasonically before assembly.

Packing:

To protect bearings from dust and atmospheric effects grease or oil is applied to each bearing before packing.