Drive-End Motor Bearing - Grundfos CR Serie Montage- Und Betriebsanleitung

5.3 Drive-end motor bearing

Make sure to use the correct type of drive-end (DE)
motor bearing for the bare-shaft pump. Please check
the specific pump range and pump version stated on
the nameplate and select the corresponding DE
bearing.
1)
Pump version
A Standard pump
Pump with thrust
T handling device
2)
(THD)
Pump with bearing
Z
2)
flange
1)
Refer to the codes for pump version in section
2)
Factory product variants (FPV).
DE bearing
CR 1-64 pump range
Deep-groove ball Angular contact
bearing
(62/63xx)
0.37 - 3 kW
-
0.37 - 45 kW Not allowed
5.2 Type
CR 95-255 pump range
Deep-groove ball
bearing bearing
(73xx) (62/63xx)
4-45 kW 75-200 kW
- 5.5 - 55 kW
5.5 - 200 kW
key.
DE bearing
Angular contact
bearing
(73xx)
5.5 - 55 kW
Not allowed
Not allowed
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