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Manual of Electric Motors
101
E
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Table 8.2
- Lubrication intervals for cylindrical roller bearings
Table 8.3
- Lubrication intervals for ball bearings - HGF line
Frame
Poles
Bearing
designation
Amount
of
grease
(g)
LUBRICATION INTERVALS (hours)
ODP
(Open Drip Proof)
W21 TEFC
(Totally Enclosed Fan
Cooled)
W22 TEFC
(Totally Enclosed Fan
Cooled)
IEC
NEMA
50 Hz
60 Hz
50 Hz
60 Hz
50 Hz
60 Hz
160
254/6
2
NU309
13
20000
19600
13300
9800
16000
12000
4
20000
20000
20000
25000
25000
6
8
180
284/6
2
NU311
18
18400
12800
9200
6400
11000
8000
4
20000
20000
20000
19100
25000
25000
6
20000
8
200
324/6
2
NU312
21
15200
10200
7600
5100
9000
6000
4
20000
20000
20000
17200
25000
21000
6
20000
25000
8
225
250
280
315
355
364/5
404/5
444/5
445/7
447/9
L447/9
504/5
5008
5010/11
586/7
588/9
4
NU314
27
17800
14200
8900
7100
11000
9000
6
20000
20000
13100
11000
16000
13000
8
16900
15100
20000
19000
4
NU316
34
15200
12000
7600
6000
9000
7000
6
20000
19000
11600
9500
14000
12000
8
20000
15500
13800
19000
17000
4
NU319
45
12000
9400
6000
4700
7000
5000
6
19600
15200
9800
7600
12000
9000
8
20000
20000
13700
12200
17000
15000
4
NU322
60
8800
6600
4400
3300
5000
4000
6
15600
11800
7800
5900
9000
7000
8
20000
20000
11500
10700
14000
13000
Frame
Poles
Bearing
designation
Amount of
grease (g)
Lubrication intervals (hours)
IEC
NEMA
50 Hz
60 Hz
315L/A/B and
315C/D/E
5006/7/8T and
5009/10/11T
2
6314
27
3100
2100
4 - 8
6320
50
4500
4500
6316
34
4500
4500
355L/A/B and
355C/D/E
5807/8/9T and
5810/11/12T
2
6314
27
3100
2100
4 - 8
6322
60
4500
4500
6319
45
4500
4500
400L/A/B and
400 C/D/E
6806/7/8T and
6809/10/11T
2
6315
30
2700
1800
4 - 8
6324
72
4500
4500
6319
45
4500
4500
450
7006/10
2
6220
31
2500
1400
4
6328
93
4500
3300
6322
60
4500
4500
6 - 8
6328
93
4500
4500
6322
60
4500
4500
500
8006/10
4
6330
104
4200
2800
6324
72
4500
4500
6 - 8
6330
104
4500
4500
6324
72
4500
4500
500
8006/10
4
6330
104
4200
2800
6324
72
4500
4500
6 - 8
6330
104
4500
4500
6324
72
4500
4500
560
8806/10
4 - 8
*Upon request
630
9606/10
4 - 8
Page 172
Summary of Contents for BN 5-12 Series
Page 13: ...TAB 1 DEVICE DATA SHEETS ...
Page 18: ...TAB 2 APPROVED SUBMITTAL ...
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Page 117: ...TAB 3 INSTALLATION OPERATIONS AND MAINTENANCE ...
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Page 306: ...TAB 4 AS BUILTS AND SUPPLEMENTAL INFORMATION ...
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