AZ motor
Edition 4
Instructions for bearings replacement
8
1.3. List of new motor parts
In table 4 there is presented list of new motor parts. Which bearing type must be used
according to motor size is described in table 5.
Table 4. List of new motor parts
2 pieces of new bearing according
to table 5.
1 piece of new wave spring washer
according to table 5
Grounding brush support with
brushes
Dimensions:
54x15x11,3 for 748.3.xxx motors
(motor size AZ 150)
64x15x11,6 for 749.3.xxx motors
(motor size AZ 220)
New larger press ring
For 748.3.xxx motors (motor size
AZ 150)
For 749.3.xxx motors (motor size
AZ 220)
Table 5: Bearing types and wave spring washer according to motor sizes
Motor
Code
Motor size
Bearings type
Size of wave spring
washer
(d1 x d2 x s x h)
Shaft end
Not shaft
end
C3E D EA3S
NSK
C3E D EA3S
NSK
746.3.392
AZ 84-50
6202 ZZ
6202 ZZ
28x34,5x0,6x3
747.3.192
AZ 108-30
6204 DDU
6203 DDU
33x39,1x0,5x2,9
747.3.194
AZ 108-30
6204 DDU
6203 DDU
33x39,1x0,5x2,9