Product Overview
The REXROTH 0510425022 is a high-performance external gear pump engineered by Bosch Rexroth for demanding industrial hydraulic systems. Operating on the external gear principle, this pump utilizes two precision-meshed spur gears rotating within a durable casing to trap and displace hydraulic fluid, delivering a smooth, continuous flow proportional to drive speed. As a fixed-displacement unit, the 0510425022 is designed for robust reliability, offering excellent suction characteristics and high tolerance to contamination, making it a preferred choice for heavy-duty machinery requiring consistent volumetric efficiency and long service life.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | External Gear Pump (Fixed Displacement) |
| Model Designation | 0510425022 |
| Operating Pressure | Standard Industrial Grade (Up to 250 bar continuous / 280 bar peak) |
| Mounting & Connection | Standard ISO 4-Bolt Flange / SAE Splined Shaft |
| Displacement Range | Nominal 22 cm³/rev (Based on Rexroth external gear series) |
| Rotation Direction | Clockwise (Standard) / Bi-directional options available |
Engineering Features & Advantages
- Precision Gear Geometry: The external gear set features high-precision tooth profile grinding, ensuring minimal internal leakage, low pulsation, and high volumetric efficiency across the operating pressure range.
- Robust Casing Construction: Manufactured with a high-strength cast iron or aluminum alloy casing, providing excellent structural integrity and heat dissipation for continuous industrial operation.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with journal bearings designed to withstand high radial loads and ensure long wear life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring drop-in installation without modification to existing hydraulic circuits.
Typical Industrial Applications
This external gear pump is ideally suited for a wide range of heavy industrial scenarios, including plastic injection molding machines, metallurgical presses, construction and marine hydraulics, and CNC machine tools. It is particularly effective in systems requiring reliable, fixed-displacement flow for actuation, lubrication, or cooling circuits.
PRODUCT IMAGES


REXROTH 0510425022 External Gear 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 0510425022 Solenoid Directional Spool Valve. This Germany-made 24V DC hydraulic component features a reliable spool design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.