Bearing 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz (g)
NU 309 9800 13300 20000 20000 20000 20000 20000 20000 20000 20000 20000 20000 13
NU 311 6400 9200 19100 20000 20000 20000 20000 20000 20000 20000 20000 20000 18
NU 312 5100 7600 17200 20000 20000 20000 20000 20000 20000 20000 20000 20000 21
NU 314 1600 2500 7100 8900 11000 13100 15100 16900 16900 19300 19300 20000 27
NU 316 - - 6000 7600 9500 11600 13800 15500 15500 17800 17800 20000 34
NU 319 - - 4700 6000 7600 9800 12200 13700 13700 15700 15700 20000 45
NU 322 - - 3300 4400 5900 7800 10700 11500 11500 13400 13400 17300 60
NU 324 - - 2400 3500 5000 6600 10000 10200 10200 12100 12100 15000 72
Bearing 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz (g)
6309 15700 18100 20000 20000 20000 20000 20000 20000 20000 20000 20000 20000 13
6311 11500 13700 20000 20000 20000 20000 20000 20000 20000 20000 20000 20000 18
6312 9800 11900 20000 20000 20000 20000 20000 20000 20000 20000 20000 20000 21
6314 3600 4500 9700 11600 14200 16400 17300 19700 19700 20000 20000 20000 27
6316 - - 8500 10400 12800 14900 15900 18700 18700 20000 20000 20000 34
6319 - - 7000 9000 11000 13000 14000 17400 17400 18600 18600 20000 45
6322 - - 5100 7200 9200 10800 11800 15100 15100 15500 15500 19300 60
Bearing 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz (g)
6209 18400 20000 20000 20000 20000 20000 20000 20000 20000 20000 20000 20000 9
6211 14200 16500 20000 20000 20000 20000 20000 20000 20000 20000 20000 20000 11
6212 12100 14400 20000 20000 20000 20000 20000 20000 20000 20000 20000 20000 13
Serie 62
Serie 63
TABLE 1 - BALL BEARINGS - Series 62/63
Relubrication intervals (running hours horizontal position)
FOLLOW THE REGREASING
INTERVALS. THIS IS FUNDAMENTAL
FOR PROPER MOTOR OPERATION.
1 - Machines without Grease Nipples
Motors up to frame 200 are normally fitted
without grease nipples. In these cases the
regreasing shall be done at the preventive
maintenance job observing the following
aspects:
üDisassemble carefully the motors.
üTake all the grease out.
üWash the bearing with querosene or diesel.
üRegrease the bearing immediately.
LUBRICATION
2 - Machines Fitted with Grease Nipples
It is strongly recommended to grease the
machine while running. This allows the grease
renewal in the bearing housing. When this is
not possible due to turning parts by the grease
device (pulleys, bushing, etc) that offer some
risk to the physical integrity of the operator,
proceed as follows:
üClean the area near the grease nipple.
üPut approximately half of the total grease and
run the motor for 1 minute at full speed.
Then turn off the motor and insert the rest of the
grease.
üThe injection of all the grease with the motor in
standstill can make the grease penetrate into the
motor, through the inner seal of the bearing
housing.
RELUBRICATION INTERVALS
The frequency of the inspections depends
on the motor type and on the application
conditions.
FOR LUBRICATION USE ONLY
MANUAL GREASE GUN.
TABLE 2 - ROLLER BEARINGS - Series NU 3
Relubrication intervals (running hours horizontal position)
Grease
II pole IV pole VI pole VIII pole X pole XII pole
Grease
II pole IV pole VI pole VIII pole X pole XII pole
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