Recommended Bearing Change Intervals (Standard Bearing Design) - Siemens SINAMICS S 1PH7 Configuration Manual

Mechanical properties of the motors
3.3 Bearing version
Table 3- 7

Recommended bearing change intervals (standard bearing design)

Shaft Drive output type
height
Coupling output or
100 belt coupling
Coupling output or
132 belt coupling
Coupling output or
160 belt coupling
Coupling output
180
Belt coupling
Increase radial forces
Coupling output
225
Belt coupling
Increase radial forces
When vertically mounted 25000 [h]
1)
Table 3- 8 Recommended bearing change intervals for increased speeds (standard bearing design)
Shaft height Average operating speed
100
132
160
180
225
This assumes a speed duty cycle, also with low speeds and zero speeds
1)
For increased radial force ≤ 3000 [rpm]
2)
For increased radial force ≤ 2700 [rpm]
3)
Table 3- 9 Recommended bearing change intervals for bearing versions with increased maximum speed
Shaft height Average operating speed
100
132
160
180
225
This assumes some speed fluctuation, also with low speeds and zero speeds
1)
Only possible for coupling output
2)
56
Average
operating speed
n [rpm]
m
≤ 3000
≤ 2500
≤ 2500
≤ 2000
≤ 2000
≤ 1500
≤ 2000
≤ 1500
≤ 1750
≤ 1400
1)
n [rpm]
m
2500 < n < 6000
m
2000 < n < 5500
m
1500 < n < 4500
m
1500 < n < 4000
m
1400 < n < 3500
m
1)
n [rpm]
m
8000 ≤ n < 12000
m
6000 ≤ n < 10000
m
5000 ≤ n < 8000
m
1500 ≤ n < 7000
m
1500 ≤ n < 5500
m
Stat. bearing
lifetime
L [h]
10h
20000
40000
24000
20000
40000
1)
24000
20000
Recommended bearing change
interval t [h]
LW
8000
Recommended bearing change
interval t [h]
LW
8000
Configuration Manual, (APH7W), 04/2009, 6SN1197-0AD72-0BP0
Recommended bearing change interval
t [h]
Lw
Permanent
lubrication
20000
20000
12000
20000
12000
Max. continuous speed in
S1 operation n
5500
4500
3700
3500
3100
Max. continuous speed in
S1 operation n
10000
8500
7000
4500
3600
1PH7 induction motors (Machine tools)
Regreasing
-
40000
24000
20000
40000
1)
24000
20000
[rpm]
s1
2)
3)
[rpm]
s1
2)
2)