Page 652 - SKF-bearing-housings

Trunnion bearing housings for grinding mills

Design considerations The housings are machined standard for bear-
ings in the non-locating position. The bearing
For general information about design con- seat is sufficiently wide to allow axial displace-
siderations, refer to the following sections: ment of the bearing. The seat tolerance pro-
vides a loose fit for the bearing even if there is
• Typical shaft-bearing combinations a temperature difference between the bearing
(† page 41) outer ring and housing.
• Locating/non-locating bearing arrangements Bearings in the locating position must be
(† page 40) secured in the housing on both sides with
• Specifications for shafts and housing support locating rings. These are supplied with the
surfaces († page 45) housings.
• Axial load carrying capacity for bearings on
a sleeve († page 44)
Load carrying capacity
For additional information about rolling bear- FSDR .. K housings are intended for loads
ings, refer to the product information available acting perpendicularly toward the support
online at skf.com/bearings. surface as well as the forces created in the
process. In cases like this, the housing can
withstand the same loads as the bearing. If
Typical shaft-bearing combinations loads acting in other directions occur, contact
FSDR .. K housings accommodate bearings the SKF application engineering service.
with a tapered bore on an unthreaded sleeve
on stepped shafts († fig. 6). Additional housing support
As the housings are subjected to loads acting
parallel to the support surface, a stop must be
Locating and non-locating bearing provided to counter the load. The housings can
positions be secured to the support with keys or welded
FSDR .. K housings can be used for both the stops.
locating and non-locating bearing positions. The stop should be sufficiently strong to
accommodate the loads acting parallel to the
Fig. 6
support surface.

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