Page 340 - SKF-bearing-housings
P. 340

Split plummer block housings SED 30, 31, 32 and 39 series

             Housing material                    Housing variants
             SED plummer block housings are made of
             spheroidal graphite cast iron.      In addition to standard design SED housings, a
                                                 number of variants are also available. Variants
             Paint, corrosion protection         include housings painted to other colours and
             SED housings are painted black (RAL 9005)   corrosivity categories, housings with a nar-
             using a water based alkyd/acryl paint. The   rower base and differently positioned attach-
             paint protects the housing in accordance with   ment bolt holes, housings suitable for bearings
             ISO 12944-2, corrosivity category C3, i.e.   on a cylindrical seat on stepped shafts, and
             exterior atmospheres with a moderate level of   housings modified for circulating oil
             pollution; coastal areas with low salinity; inter-  lubrication.
             ior atmospheres with high humidity and some   For additional information, contact the
             air pollution († Environmental conditions,   SKF application engineering service.
             page 36). The paint is not affected by most
             lubricating or engine oils, cutting fluids or
             alkalescent washing chem icals. Housings can   Housings for circulating oil lubrication
             be repainted with most water or solvent based   systems
             1- or 2-com ponent paints.          Housings modified for circulating oil lubrica-
               Unpainted surfaces are protected by a sol-  tion systems have a threaded oil outlet hole in
             ventless rust inhibitor.            each cover (designation suffix RT). The tapped
                                                 hole used for grease relubrication can be used
                                                 as the oil inlet.
             Dimension standards
             The dimensions of SED housings are not
             standardized either nationally or
             internationally.

































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