Image Number 2 for United States Patent #4227755.
A slide bearing journals the rotor shaft in the compressor housing with a clearance radially of the shaft; and an anti-friction bearing mounted on the shaft journals it axially thereof, the housing having a fixed support surface against which the anti-friction bearing abuts axially in one direction and which allows radial movement thereof. Yielding means are provided to press the anti-friction bearing against the support surface with a predetermined precise force.
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