Page 457 - SKF-bearing-housings

Housing variants and customization

Housing material Housing variants and
SDAF housings are made standard from customization
ASTM A48 grade 30 grey cast iron, which is
equivalent to ISO 185 grade 200. SDAF SDAF and SDAF extended range housings are
extended range housings are made standard available with design variants. All variants are
from ASTM A48 grade 40 grey cast iron, individually engineered to meet the require-
which is equivalent to ISO 185 grade 275. ments of the specific application. Customized
variants can include:
Paint, corrosion protection
All SDAF housings are painted blue • drilled bolt holes in the base
(RAL 5001). The paint protects the housing in • solid base
accordance with ISO 12944-2, corrosivity cat- • special machining for lubrication
egory C2 (i.e. exterior atmospheres with low • special housing bore tolerances
levels of pollution, interior atmospheres where • special seals
condensation may occur). The paint is not • milled base ends
affected by most lubricating or engine oils, • special machining for condition
cutting fluids or alkalescent washing chemi- monitoring systems
cals. Housings can be repainted with most
water solvent based 1- or 2-component Because of the highly customized nature of
paints. the SDAF extended range housings, the SKF
Unpainted surfaces are protected with a application engineering service and the cus-
rust inhibitor. Special paints or preservatives tomer work together to specify and design
can be supplied on request. each housing. This flexible approach provides
a host of options tailored to the application, to
provide a safe, reliable and cost-effective 9
solution. For additional information contact
the SKF application engineering service.
SDAF extended range housings are made-
to-order to accommodate any special features
that may be required.

Housing material
For applications where extra strength is
needed, all SDAF housings are also available in
the following materials:
• ductile iron,
ASTM A339 grade 60-45-10
• ductile iron,
ASTM A339 grade 80-60-03
• cast steel,
ASTM A27 grade U-60-30

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