Designs and variants

The ready-to-mount, greased and sealed Y-bearing units are available in wide variety of designs and variants with main differences in housing shape and material, as well as the Y-bearing they incorporate.

Y-bearing plummer block units (fig. 1)
- with cast iron housings – table 1
- with composite housings – table 2
- with pressed steel housings (housings to be ordered separately from the bearings) – table 3
- with housings made of composite for SKF Food Line – table 4
- with cast stainless steel housings – table 5
Y-bearing flanged units (fig. 2)
- with cast iron housings – table 6, table 7 and table 8
- with composite housings – table 9 and table 10
- with pressed steel housings (housings to be ordered separately from the bearings) – table 11 and table 12
- with housings made of composite for SKF Food Line – table 13, table 14 and table 15
- with cast stainless steel housings – table 16 and table 17
Y-bearing take-up units (fig. 3, fig. 4)
- with cast iron housings – table 18
- with housings made of composite for SKF Food Line – table 19

Terminology

Some frequently used bearing (unit) terms are explained here. Essentially, these terms are in accordance with those in the following ISO standards:

ISO 3228:2013 Rolling bearings – Cast and pressed housings for insert bearings
ISO 9628:2006 including Amd.1:2011 Rolling bearings – Insert bearings and eccentric locking collars

A detailed collection of bearing specific terms and definitions are also listed in ISO 5593:1997 Rolling bearings – Vocabulary.

Y-bearings

Insert bearings, wide inner ring bearings (fig. 5, fig. 6, fig. 7, fig. 8, fig. 9)