SKF Y-bearings, which are usually referred to as insert bearings, are basically sealed deep groove ball bearings in the 62 and 63 series with a convex sphered outer surface.
These bearings are manufactured in a number of different series and sizes and are available with standard inner ring or an inner ring that is extended on one or both sides.
The various bearing series differ in the way the bearing is located onto the shaft. The most common methods use any one of the following:
Grub screw locking.
Eccentric collar locking.
Adapter sleeve locking.
Interference fit (fig).
The standard SKF assortment includes Y-bearings made of bearing steel and stainless steel with or without zinc-coated components.
In addition to the standard assortment the comprehensive SKF range of Y-bearings consists of: