âž” fig ). When the dimension B >
1
Product information >
2
Recommendations >
3
Product data Page ............. 3 Mounting Page ............. 32 Bearings with tapered bore >
Fig 3 Fig 4 Bearings with tapered bore are always
mounted with an interference on the
shaft. They can be mounted on
adapter or withdrawal sleeves or
directly on to tapered journals. When dimensioning a tapered jour-nal, the distance between the centre
of the bearing in its final mounted
position and a reference face on the
shaft should be used as a basis ( >
B a âž” fig ). When cold, thebearing will obtain its correct interfer-
ence fit. >
2
âž” fig âž” ). This necessitatesthe provision of oil supply ducts in the
journals and oil distribution grooves in
the seating. Further reduction of the
mounting effort can be achieved by
using the oil injection method in com-
bination with an SKF hydraulic nut.For bearings which are to be hotmounted, the final axial position on the
seating has to be predetermined by
means of, for instance, a tailor-made
spacer ring ( fig ).The application of the high drive-upforces required by larger bearings can
be facilitated using the oil injection
method ( >
3 a has been established, the dimension-ing of the journal should be continued
as described in SKF catalogue 4003
“Large bearings”.Spherical
roller bearings up to 200mm bore diameter may be driven up
on to a tapered journal or a withdrawal
sleeve using a shaft nut and on to an
adapter sleeve using the sleeve nut
and a spanner ( >
Dimensioning of tapered journalsDrive-up of medium size bearing 4 5 6 Tailor-made spacer ring used to positionthe bearing axially Drive-up of large size bearing Fig 5 Fig 6 25 >