The P4 Single Stage gear units have been designed with an enlarged housing and an increased shaft height. The vast cooling surface raises the thermal rating and the larger oil sump assures a longer oil life. In combination with the service cover, a cooling coil can be fitted, without having to disassemble the complete gear unit.
The increased shaft height also results in the input shaft being better positioned versus the shaft height of the electric motor.
As such, motor and gear unit will be equally affected by thermal expansion and the static alignment is not disturbed during operation.
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