Danfoss VLT DriveMotor FCP 106, Design Manual

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3.3.4 Bearing Life and Lubrication
The life expectancy of the ball bearings is according to Table 3.6 and Table 3.7 , when the following conditions are fulfilled:
•
Temperature of 80
°
C (176
°
F).
•
Radial forces in load point corresponding to half-shaft extension do not exceed the values specified in Table 3.6
and Table 3.7 .
IE2 50 Hz 3-phase motors
Permissible radial forces Permissible axial forces
(IMB3)
Permissible axial forces
(IMV1)
Permissible axial
forces (IMV1)
Both directions Force upwards Force downwards
20000 h 40000 h 20000 h 40000 h 20000 h 40000 h 20000 h 40000 h
Motor size Number of poles F rad [N] F rad [N] F ax [N] F ax [N] F ax [N] F ax [N] F ax [N] F ax [N]
71
2 460 370 230 175 260 205 210 170
4 580 465 330 250 350 275 300 240
80
2 590 475 320 255 340 280 290 220
4 830 665 440 350 470 380 410 310
90
2 670 535 340 260 380 315 310 235
4 940 750 480 365 470 385 440 330
100
2 920 735 480 360 540 460 430 325
4 1290 1030 680 530 740 620 620 465
112
2 930 745 480 380 560 475 400 300
4 1300 1040 680 540 750 630 600 450
132 S
2 1350 1080 800 625 1000 845 610 460
4 1900 1520 1130 880 1320 1095 930 700
132 M
2 1400 1120 780 610 990 835 580 435
4 1970 1575 1090 850 1300 1080 890 670
160 M
2 1550 1240 840 685 1180 975 500 395
4 2170 1735 1180 950 1520 1245 830 640
160 L
2 1580 1265 820 675 1180 980 460 365
4 2220 1775 1150 925 1510 1245 790 610
Table 3.6 Permissible Forces, IE2 50 Hz 3-phase Motors
Permissible radial forces: Load point corresponding to half-shaft extension, 0 axial force assumed.
Permissible axial forces: 0 radial force assumed.
Permissible loads of simultaneous radial and axial forces can be supplied on request.
System Integration Design Guide
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