Page 4 - SKF-SPEEDI-SLEEVE

Removable flange Size range Fig. 1

SKF SPEEDI-SLEEVE has a removable flange The standard size range covers sleeves for Removable flange
to simplify installation († fig. 1). The flange shaft diameters from 11,99 to 203,33 mm
can most often be left intact, but in applica- (0.472 to 8 in.). Depending on production
tions where the flange will interfere with other quantities, non-standard sizes can be manu-
system components, it should be removed so factured. For additional information, contact
it does not cause friction heat and wear debris. SKF. Each sleeve is designed to fit a specific
The flange should also be removed in applica- shaft range, usually above and below the
tions where it may reduce the supply of lubri- nominal shaft diameter. This permits some
cant to the seal. This would cause a reduced flexibility to accommodate variations in the
cooling effect of the lubricant, resulting in ele- actual shaft diameter.
vated underlip temperature and premature
ageing of the seal material.
If the flange is to be removed, it should be Selecting the sleeve size
cut from the outside diameter into the radius SKF SPEEDI-SLEEVE removable flange
in one location prior to installation. The flange To determine the appropriate sleeve size, it is
can then be twisted and raised up after instal- first necessary to clean the shaft carefully. The
lation and grasped with a pair of pliers and diameter of an undamaged section of the seal
twisted into a coil. counterface should then be measured on at
least three different planes. The arithmetical
SKF SPEEDI-SLEEVE Gold mean of these measurements determines the
size of SKF SPEEDI-SLEEVE. If the value lies
within the permissible range listed in the
The new generation of SKF SPEEDI-SLEEVE product table for the shaft diameter d 1 , the
is also available in the Gold version, designed selected SKF SPEEDI-SLEEVE will have an
for highly abrasive applications. A thin, metal- adequate tight fit on the shaft and will not
lic coating applied to the base stainless steel require an adhesive.
imparts a gold colour and significantly increas-
es durability. SKF SPEEDI-SLEEVE Gold is
particularly effective in environments where
there are abrasive contaminants, especially
when combined with a seal manufactured
from the SKF fluoro rubber material
1)
SKF Duralife . This sealing system solution
lasted 2 500 hours in a contamination test. SKF SPEEDI-SLEEVE new generation, Gold
version
The installation procedure is common to
both SKF SPEEDI-SLEEVE designs and the
original seal size can still be used.
All sleeves listed in the product tables start-
ing on page 8 can be manufactured as SKF
SPEEDI-SLEEVE Gold.

The standard size
range covers sleeves
for shaft diameters
from 11,99 to 203,33 mm
(0.472 to 8 in.).
1) Previously named Longlife

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