ADR designs, manufactures and markets world-wide high precision radial ball bearings (with a 1 mm boring to a 350 mm external diameter). 

These great sensitivity bearings are present in the sights, gyro-stabilised systems, optronic and avionic equipment, infra-red, pointers, coders, engines, etc. 

ADR develops and proposes integrated technical solutions adding many functions to the bearings, within the framework of its strategy as sub-systems developer. 

ADR also designs and carries out actuators specifically adapted to highly complex systems