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Reinforced roller bearings
Size
Grease stability time for permanent lubrication or relubrication interval
Horizontal type of construction (B)
3000
rpm
180
200
2800
225
250
280
315
2000
355
The specified relubrication intervals are valid for maximum ambient temperatures of 40 °C.
Reduce the relubrication intervals for a
10°C increase in temperature by a factor of 0.7 of the value listed in the table (max. 20
°C = factor 0.5). Times for operation on 60 Hz systems on request.
9.1.7.5
Grease stability times and fill quantities
The details for the grease stability times and relubrication intervals are stated on the lubrication
rating plate of the machine. The specified grease stability time applies to the ambient
temperature range stated on the rating plate. Reduce the lubrication interval for a 10° C
increase in temperature by a factor of 0.7 of the value listed in the table (max. 20° C = factor
0.5). Irrespective of the operating hours, the roller bearing grease and the bearing (2Z bearing)
must be replaced after four years of service.
9.1.7.6
Regreasing intervals and types of grease for operating rolling-contact bearings
Regreasing intervals
The regreasing intervals for roller bearings in operating hours and the grease types are stated
on the machine's lubricant plate. Regardless of the actual number of operating hours reached,
the machine must be regreased at least once a year. The lubrication information can be found
on the lubricant plate.
Note
Observe the regreasing intervals for the roller bearings
The regreasing intervals for roller bearings are different from the service/inspection intervals
for the machine. Failure to regrease the roller bearings at the specified intervals can result in
bearing damage.
SIMOTICS XP 1MD4/1MD5
Operating Instructions 05/2015
for a regreasing system in operating hours at rated speed
1500
≤1000
rpm
rpm
5600
8000
4000
5600
2800
Vertical type of construction (V)
3000
1500
rpm
rpm
2000
4000
1400
2800
Maintenance
9.1 Inspection and maintenance
Grease quantity for relu‐
brication in g per bearing
≤1000
3000
rpm
rpm
17
20
5600
25
25
25
4000
35
35
≤1500
rpm
17
20
25
25
35
25
50
83
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