Open designs
Of simple design and little maintenance, BUT deep groove ball bearings in open design are the most versatile and popular bearings in rolling applications. They can take radial and axial loads in both directions and are optimized for low noise and low vibration.
Main types

This_is_BUT_EN.pdf Bearing_Catalogue.pdf Bearing_Designation_System.pdf Product_Brochure.pdf Product_Table.pdf Deep_Groove_Ball_Bearings_Brochure.pdf