SEW-Eurodrive DR63 Series - Permitted Ball Bearing Types; Tightening Torques

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Operating Instructions – Explosion-Proof AC Motors DR63/eDR63, DVE250/280
9
Permitted ball bearing types
Technical Data
Motor constants for
overhung load
conversion
2nd motor shaft
end
Contact SEW-EURODRIVE regarding the permitted load for the 2nd motor shaft end.
9.2 Permitted ball bearing types
9.2.1 Category 3
The following table shows the permitted types of ball bearings:
9.3 Tightening torques
The following table shows all the tightening torques required for this procedure:
Size
a
[mm]
b
[mm]
c
f
[mm]
d
[mm]
l
[mm]
4-pole
[Nmm]
6-pole
[Nmm]
DR63, eDR63 161 146 16.8 • 10
3
19 • 10
3
13 14 30
DVE250 658 588 630 • 10
3
- 0 65 140
DVE280 658 588 630 • 10
3
- 0 75 140
Motor type
A-side bearing
(AC motor)
B-side bearing
(foot and flange-mounted motors,
gearmotors)
Gearmotor
Flange- and foot-
mounted motor
AC motor
DR63, eDR63 6303 2RS J C3 6203 2RS J C3 6202 2RS J C3
DVE250/280M 6316 2RS J C3 6315 2RS J C3
Key num-
ber
Screw Applies to
Tightening
torque in Nm
[113] Pan head screw DIN rail connection DR63/eDR63 3
[117] Hexagon screw grounding inside DR63/eDR63 3
[123] Hexagon screw terminal box cover DR63/eDR63 3.5
[140] Hexagon screw grounding outside DR63/eDR63 3.5
[119] Hex head screw terminal box lower part DVE250/280 55
[123] Hex head screw terminal box upper part DVE250/280 55
P
i
f
kVA
Hz
n