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1. Installation
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1-2-2 Shaft characteristics
There is a limit to the load that can be applied on the motor shaft. Make sure that the load applied on the
radial direction, when mounted on the machine, is below the tolerable values given below. These loads
also affect the motor output torque, so consider them when designing the machine.
Spindle motor Tolerable radial load
SJ-V3.7-02ZM 490 N
SJ-V2.2-01, SJ-V3.7-01
SJ-V7.5-03ZM, SJ-V11-06ZM
980 N
SJ-V5.5-01, SJ-V11-08ZM
SJ-PMF01830-00
1470 N
SJ-V7.5-01, SJ-V11-01
SJ-V22-06ZM, SJ-V30-02ZM, SJ-PMF03530-00
1960 N
SJ-V11-09, SJ-V15-01, SJ-V15-03, SJ-V18.5-01, SJ-V18.5-03
SJ-V22-01, SJ-V22-05, SJ-V26-01, SJ-30A
2940 N
SJ-22XW5 3920 N
SJ-37BP 4900 N
SJ-22XW8, SJ-45BP
SJ-V55-01
5880 N
(Note) The load point is at the one-half of the shaft length.
Radial load