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Bearing Options
ViscoTwin
The
pump bearing housing is designed to address various forces impacting the pump shafts,
which are dependent on flow direction and discharge pressure.
Each shaft is supported by 4 angular ball bearings and one set needle bearing. The needle bearings sup-
port the shaft against radial forces in the front. The 4 angular ball bearings support the shaft against axial
and radial forces in the back.
The axial forces limit the bearing's lifespan based on P = F / A, where:
P = differential pressure
F = Axial Force on the Shaft
A = Spindle Surface
For more details, please consult Section 6.4 "Maximizing Bearing Lifespan" on page 108.
PROCESSTEC INC. 2022
1. ABOUT VISCOTWIN SCREW PUMPS
Page 15
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