The standard SKF ball bearing units are referred to
as Y-bearing units. Y-bearing units are ready-to-mount, greased and
sealed units which enable initial errors of alignment to be compensated
for. The Y-bearings are single row deep groove ball bearings which
are sealed at both sides and have an inner ring which is extended
at one or both sides.
SKF roller bearing units offer the designer relative
freedom in respect of bearing arrangement design. Some 20 design variants
are available. They make for economic bearing arrangements and are
primarily intended for applications where the load carrying capacity
of Y-bearing units is inadequate or where conditions are particularly
The extensive SKF product range includes a comprehensive
selection of bearing housings. This catalogue provides a general view
of the SKF range for standard housings and will facilitate the tasks
of the designer in selecting the right housings for most common applications.