17
Installation and maintenance - Three-phase induction motors
4850 en - 2018.11 / f
ROUTINE MAINTENANCE
Series
Type
No. of
poles
Types of permanently
greased bearing
Grease life according to speed of rotation
3000 rpm
1500 rpm
1000 rpm
N.D.E.
D.E.
25°C
40°C
55°C
25°C
40°C
55°C
25°C
40°C
55°C
FLS/FLSES
80 L
2
6203 CN
6204 C3
≥40000
≥40000
25000
-
-
-
-
-
-
80 LG
4
6204 C3
6205 C3
-
-
-
≥40000
≥40000
31000
-
-
-
90 SL/L
2 ; 4 ; 6
≥40000
≥40000
24000
≥40000
≥40000
34000
90 LU
2 ; 6
6205 C3
6205 C3
≥40000
≥40000
24000
-
-
-
≥40000
≥40000
34000
100 L
2 ; 4
6205 C3
6206 C3
≥40000
≥40000
22000
≥40000
≥40000
30000
-
-
-
100 LG
4 ; 6
-
-
-
≥40000
≥40000
33000
112 MG
2 ; 6
≥40000
≥40000
22000
-
-
-
112 MU
4
6206 C3
6206 C3
-
-
-
≥40000
≥40000
30000
-
-
-
132 SM/M
2 ; 4 ; 6
6207 C3
6308 C3
≥40000
≥40000
19000
≥40000
≥40000
25000
≥40000
≥40000
30000
132 MU
2 ; 4
6307 C3
6308 C3
≥40000
≥40000
19000
≥40000
≥40000
25000
-
-
-
132 MR
4 ; 6
6308 C3
6308 C3
-
-
-
≥40000
≥40000
25000
≥40000
≥40000
30000
160 M
2 ; 4 ; 6
6210 C3
6309 C3
≥ 40000
37800
18900
≥ 40000
≥ 40000
36900
≥ 40000
≥ 40000
20050
160 MU
6
-
-
-
-
-
-
160 LUR
2 ; 4 ; 6
6210 C3
6310 C3
≥ 40000
24500
12250
≥ 40000
36400
18200
≥ 40000
≥ 40000
22450
180 M
2
6212 C3
6310 C3
34000
17000
8500
-
-
-
-
-
-
180 MT
4
6210 C3
6310 C3
-
-
-
≥ 40000
35500
17750
-
-
-
180 MUR
2
6312 C3
6310 C3
≥ 40000
22800
11400
-
-
-
-
-
-
180 L
4 ; 6
6212 C3
6310 C3
-
-
-
≥ 40000
39500
19750
≥ 40000
≥ 40000
29050
180 LUR
4 ; 6
6312 C3
6310 C3
-
-
-
≥ 40000
≥ 40000
22900
≥ 40000
≥ 40000
29900
200 LU
2 ; 4 ; 6
6312 C3
6312 C3
28600
14300
7150
≥ 40000
25400
12700
≥ 40000
33200
16600
225 S
4
6314 C3
6314 C3
-
-
-
≥ 40000
23700
11850
-
-
-
225 SR
4
6312 C3
6313 C3
-
-
-
≥ 40000
≥ 40000
21500
-
-
-
225 M
4 ; 6
6314 C3
6314 C3
-
-
-
≥ 40000
23700
11850
≥ 40000
25600
12800
225 MR
2
6312 C3
6313 C3
≥ 40000
22800
11400
-
-
-
-
-
-
Note: on request, all motors can be fitted with grease nipples.