
Table 3 — Recommended Lubrication Intervals at Standard Service Conditions
NEMA (IEC)
Frame Size
Rated Speed - RPM
3600
1800
1200
900
Up to 215 (132)
5500 Hrs.
12000 Hrs.
18000 Hrs.
22000 Hrs.
254 to 286 (160 - 180)
3600 Hrs.
9500 Hrs.
15000 Hrs.
18000 Hrs.
324 to 365 (200 - 225)
2200 Hrs.(Note 3)
7400 Hrs.
12000 Hrs.
15000 Hrs.
404 to 5000 (280 - 315)
2200 Hrs.(Note 3)
3500 Hrs.
7400 Hrs.
10500 Hrs.
Note 3: Bearings in 404 through 5000 frame, 2 pole motors are either 6313 or 6314 bearings and the
lubrication interval is shown in the table. If roller bearings are used, the bearings must be
lubricated more frequently. Divide the listed lubrication interval by two.
Table 4 — Lubrication Amounts per Frame
NEMA (IEC)
Frame Size
Bearing Description
These are the “Large” bearings (Shaft End) in each frame size (Note 4)
Largest
bearing
in size
category
OD
D mm
Width
B mm
Grease gun
strokes
(Note 5)
Volume of grease to
be added
ounces
grams
Up to 215 (132)
6307
80
21
2.5
0.16
4.7
254 to 286
(160 - 180)
6311
120
29
5.0
0.32
9.1
324 to 365
(200 - 225)
6313
140
33
7.0
0.43
12.2
404 to 5000
(280 - 315)
NU322
240
50
18.0
1.11
31.5
Note 4: Smaller bearings in size category may require reduced amounts of grease.
Note 5: See “Correct Grease Gun Procedures” for information on estimating the output of hand-
operated grease guns.
21<4?B =?D?B =19>D5>1>35
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Содержание 36026V5J, 36026V7J
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Страница 87: ...Section 4 Shell and Door Assemblies ...
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Страница 95: ...Section 5 Control and Sensing ...
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Страница 109: ...Section 7 Water Piping Assemblies ...