Product Overview
The Rexroth 0510225306 is a high-performance external gear pump engineered for demanding industrial hydraulic systems. As a member of Rexroth’s renowned AZPF series, this fixed-displacement pump utilizes precision-machined external spur gears to deliver consistent, pulsation-free flow across a wide range of operating pressures. The 0510225306 model features a robust cast-iron housing and hardened gear set, ensuring exceptional durability and volumetric efficiency in continuous-duty applications. Its compact footprint and standardized mounting interface make it an ideal drop-in replacement for OEM installations and a reliable choice for new hydraulic power unit designs.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | External Gear Pump |
| Model Designation | 0510225306 |
| Series | AZPF (Rexroth External Gear Pump) |
| Displacement Range | Standard industrial displacement (refer to model code for exact cm³/rev) |
| Operating Pressure | Continuous up to 250 bar; peak up to 280 bar |
| Speed Range | Up to 3,000 rpm (dependent on displacement and fluid viscosity) |
| Mounting & Connection | Standard ISO 4-bolt flange; SAE or metric port connections |
| Rotation Direction | Clockwise (viewed from drive shaft) |
| Hydraulic Fluid | Mineral oil HL/HLP per DIN 51524; viscosity range 10–300 mm²/s |
| Body Material | High-strength cast iron with hardened steel gear set |
Engineering Features & Advantages
- Precision Gear Geometry: Hardened and ground external spur gears with optimized tooth profile deliver smooth, low-pulsation flow and high volumetric efficiency, minimizing noise and vibration in sensitive hydraulic circuits.
- Robust Cast-Iron Construction: The durable housing and bearing design withstand high radial and axial loads, ensuring long service life even under continuous high-pressure operation.
- High Power Density: Compact external gear design provides excellent power-to-weight ratio, making it ideal for space-constrained mobile and industrial installations.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM specifications ensures seamless integration without modification.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with proven performance in demanding environments.
Typical Industrial Applications
PRODUCT IMAGES

REXROTH 0510225306 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.
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