74
Pellerin Milnor Corporation
4 Bearing Assemblies
BNWVUM02 / 2020124
BNWVUM02
0000278613
A.5
3/18/20 4:20 PM
Released
Main Bearing and Seal Replacement for Divided Cylin-
der Machines
BNWVUM02.C01 0000278612 A.3 A.5 3/12/20 11:54 AM Released
This section applies to the front and rear cylinder shaft bearings of all divided cylinder machines
(Rapid Load, Staph Guard
®
, dye machines, etc.). It does not apply to jackshaft bearings, idler
shaft bearings or bearings on open pocket machines.
The bearings covered by this section are double row, spherical roller, self aligning bearings;
Koya, SKF, FMC, Torrington or equal. Referring to
, the rear (clean side on Staph
Guard
®
models) bearing is firmly held in the bearing housing (bearing and seal carrier) by the
shaft seal holder, preventing axial movement. The front (soil side on Staph Guard
®
models) bear-
ing is free to move axially in the bearing housing to accommodate thermal expansion of the shaft
during operation and is thus the “floating” bearing. Both bearings are held in place on the tapered
portion of the shaft by a bearing lock washer and lock nut.
The front and rear bearings are each protected from contamination from wash water by three
spring loaded, lip type seals and a shaft seal leak off cavity (that carries off any water that leaks
past the main water seals) as shown in
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