The Troy, N.Y. company only manufactures miniature Precision Ball Bearings; less than one inch outside diameter. Their Miniature Instrument Bearings are used in aerospace, medical, industrial, commercial and consumer applications.
Small High Speed Bearings are installed in aircraft instruments, missile guidance systems, dental and surgical equipment, and many products.
They also manufacture Ceramic Hybrid Bearings. The ceramic ball hybrid bearing is lighter weight and creates less friction and stress at high rotational speeds, it can be used in harsh operating environments.
Pacamor Kubar Bearings is ISO 9001:2015, & AS9100 Certificated, and can produce a custom stainless steel or ceramic ball bearing for your needs in a quick and timely manner, they have a variety of bearing features available including modified dimensions, special flanges, and duplex designs for any specific application.

Precision Ball Bearings, Small High Speed Bearings, Miniature Instrument Ball Bearings, Ceramic Hybrid Bearing