Product Overview

The Rexroth A10VSO 45 DFR1/31R-PPA12N00 (Material Number: R902544821) is a high-performance axial piston variable displacement pump engineered by Bosch Rexroth for demanding industrial and mobile hydraulic systems. Utilizing a proven swashplate design, this pump delivers precise variable displacement control with exceptional efficiency and reliability. The A10VSO series is renowned for its robust construction, high power density, and long service life, making it a preferred choice for continuous-duty applications requiring accurate flow and pressure regulation. The DFR1 control variant provides combined pressure and flow control (load sensing), ensuring optimal system performance and energy efficiency.

Technical Specifications

Parameter	Specification / Feature
Component Type	Hydraulic Piston Pump (Axial Piston Variable Displacement)
Model Designation	A10VSO 45 DFR1/31R-PPA12N00
Material Number	R902544821
Displacement	45 cm³/rev (nominal)
Control Type	DFR1 – Pressure and Flow Control (Load Sensing)
Operating Pressure	Up to 280 bar (continuous), 350 bar (peak)
Mounting & Connection	Standard ISO / SAE mounting flange, splined shaft
Rotation Direction	Clockwise (viewed from shaft end)

Engineering Features & Advantages

Precision Performance: Swashplate design with DFR1 control enables precise pressure and flow regulation, reducing energy consumption and heat generation in load-sensing systems.
Industrial Reliability: Built for continuous operation under severe industrial conditions, with high-grade materials and tight tolerances ensuring long service life.
Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring drop-in replacement without modification.
High Power Density: Compact design delivers high flow rates and pressure capabilities within a small installation envelope.
Low Noise Operation: Optimized porting and swashplate kinematics minimize noise and vibration for improved workplace conditions.

Typical Industrial Applications

This pump is ideally suited for a wide range of heavy industrial applications, including plastic injection molding machines, metallurgical presses, construction and marine hydraulics, CNC machine tools, and general industrial hydraulic power units requiring precise variable displacement control and high reliability.

PRODUCT IMAGES

REXROTH A A10VSO 45 DFR1/31R-PPA12N00 / R902544821 Axial Piston Variable Displacement Pump

⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:

Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the genuine REXROTH A A10VSO 45 DFR1/31R-PPA12N00 / R902544821 Axial Piston Variable Displacement Pump. This Germany-made hydraulic component features a pressure-flow controller, delivering leak-free, reliable fluid control for heavy-duty industrial systems.