Siemens SIMOTICS GP Operating Instructions Manual page 91

VERTICAL MOTORS THRUST BEARINGS
Top Bearings.
by the top bearing or bearings. If replacement is necessary, the new bearing
must be the same size and type as the original.
Duplex bearings must also be the same type and mounted in an identical
manner. When angular contact type bearings are replaced, the new bearing
must have the same thrust capacity.
Bottom bearings
the lower cavity full of grease at all times.
The re-lubricating procedure for vertical motors is the same as outlined
above under "Lubrication procedure".
The correct replacement bearings are given on the nameplate by AFBMA
(Anti-Friction Bearing Manufacturers Association) number.
Unrestricted
Grease Quantity per End-Shield (oz)
NEMA Frame
140
180
210
250
280
320
360
400
440
S449
500
Table 1.3 Grease Quantities.
High external thrust from the driven unit is usually carried
. For an adequate lubrication It is important to maintain
Drive Opp. Drive
End.
0.1
0.2
0.3
0.5
2.6
5.5
7.5
7.5
14.5
14.5
14.5
91
End.
0.1
0.2
0.3
0.5
2.6
5.5
7.5
7.5
7.5
7.5
7.5
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