Bosch Rexroth | PGH5-3X125RE11VU2
PGH5-3X/125RE11VU2
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The PGH5-3X/125RE11VU2 pump belongs to the PGH High Pressure Gear Pumps series from Bosch Rexroth and serves as a fixed-displacement source of hydraulic flow in automated systems. It delivers 125.3 cm³ of oil per revolution and turns clockwise, which matches power-train layouts that use right-hand rotation. Operation is stable between 200 and 3000 rpm, so designers can tie the pump speed directly to prime-mover output without overspeed risk. A continuous pressure limit of 315 bar supports demanding actuator circuits, while oil viscosity may vary from 10 to 300 mm²/s to cover cold starts and high-temperature running. The suction connection is a 2 1/2 in port to ISO 6162-1, sized to minimize inlet losses at the high flow associated with this displacement.
For short load peaks the pump withstands an intermittent pressure of 350 bar, giving mobile or industrial machinery headroom during rapid cylinder acceleration. The housing mounts to a 2-bolt ISO 3019-1 152-2 (SAE D) flange, allowing direct attachment to common bell housings or engine pads. Discharge oil exits through a 1 1/2 in port conforming to ISO 6162-2, which simplifies hose selection across international builds. Sealing rings are made of FKM, enabling use with mineral oils up to 80 °C and down to –10 °C without loss of elasticity. The complete assembly weighs 49.24 kg, a factor to consider when planning support brackets and lifting points.
Technical Specifications
Continuous Pressure
315 bar
Direction Of Rotation
Clockwise (R)
Displacement
125.3 cm³/rev
Intermittent Pressure
350 bar
Mounting Flange
2-bolt ISO 3019-1 152-2 (SAE D)
Pressure Fluid Temp Max
+80 °C
Pressure Fluid Temp Min
-10 °C
Pressure Port Size
1 1/2 in (ISO 6162-2)
Seal Material
FKM (V)
Speed Max
3000 rpm
Speed Min
200 rpm
Suction Port Size
2 1/2 in (ISO 6162-1)
Viscosity Max
300 mm²/s
Viscosity Min
10 mm²/s
Weight
49.24 kg
1620 Old Apex Road
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