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Composite plummer block housings

Composite plummer block housings are used in Y-unit series listed in table 1.
Composite plummer block housings (fig. 1) are made of leightweight glass fibre reinforced PA6 and have no relubrication feature. For durability, mechanical strength and thermal stability they are reinforced with a "moulded in" steel coil and the two oblong attachment bolt holes are reinforced with chromium6+ free zinc-coated steel inserts.
Composite plummer block Y-bearing units are particularly well-suited for applications with relatively high speeds, moderate loads and where reliability and minimal maintenance are key factors.

End covers

To protect the bearing arrangement at the end of a shaft, and to avoid the possibility of an accident caused by an exposed shaft end, composite plummer block housings are able to accommodate ECY series end covers (fig. 2). End covers are accessories and must be ordered separately. The designations together with the distance A5 that the end cover protrudes from the housing (fig. 3) are listed in the product tables (→ Plummer block housings for Y-bearings, Y-bearing plummer block units).

The complete assortment of end covers for Y-bearing housings and units is listed in the product table.

End covers are made of polypropylene (PP), have good resistance to most chemicals and can withstand operating temperatures up to 100 °C (210 °F). They are mounted by snapping them into the recess of the housing.
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