Page 5 - SKF-Food-Line-ball-bearing-units

Hygienic design

Surface geometry of the housing, end cover and back seal are designed to resist
the build-up of residue and to facilitate easy cleaning

Hygienic geometry of the housing reduces All external surfaces of the SKF blue The construction makes use of over
potential contaminant traps. range housing have a smooth surface moulding to achieve an effective base
finish. seal.
The housing is designed to avoid crevices or
recesses where soiling and bacteria might Smooth exterior surfaces on the unit is key On its base or mounting face, a food grade
accumulate or become trapped to achieving good drainability and cleanabil- rubber forms the base seal The rubber is
ity – critical factors in preventing bacterial selectively over moulded with the composite
There are no split sleeves on the mounting build-up on the exterior of the bearing unit of the housing to create an effective seal
bolt holes, and the manufacturing mould
marks are kept at a minimum The finish is comparable to food industry As the housing is tightened down, the over-
requirements for the internal surface finish moulded rubber deforms – thereby provid-
Further, the housing has no sharp corners on hygienic tubing and piping ing the base seal to the mounting frame
All surfaces are angled to prevent pooling Having this as an integral part of the housing
The flat areas on its exterior are those pro- design makes it easier to achieve a more
vided to seat rubberised mounting washers consistent and effective sealing function It
also simplifies the installation
These advanced housing shapes are the
subject of three different design protections

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