Product Overview
The Rexroth PGF2-22/022RJ20VU2 (material number R900054053) is a high-performance internal gear pump engineered by Bosch Rexroth for demanding industrial hydraulic systems. Operating on the proven internal gear principle, this fixed-displacement pump uses a pinion gear driving an internally toothed ring gear, with a crescent-shaped filler piece separating the suction and pressure chambers. This design delivers exceptionally smooth, low-pulsation flow with minimal noise emission, making it a preferred solution for applications where quiet operation and consistent volumetric efficiency are critical. The PGF2 series is a compact, robust unit widely deployed as a reliable pressure and flow source in machine tools, presses, and general industrial power packs.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Internal Gear Pump (Fixed Displacement) |
| Model Designation | PGF2-22/022RJ20VU2 |
| Material Number | R900054053 |
| Series | PGF2 Series (Internal Gear, Size 22) |
| Displacement | 22 cm³/rev nominal geometric displacement |
| Operating Pressure | Continuous up to 250 bar; peak up to 280 bar |
| Speed Range | Standard industrial range (approx. 500–3000 rpm) |
| Mounting & Connection | Standard ISO / Rexroth flange and shaft interface |
| Hydraulic Fluid | Mineral oil based hydraulic fluids (HLP/HM per DIN 51524) |
Engineering Features & Advantages
- Low Noise & Low Pulsation: The internal gear principle with crescent filler produces smooth, near-continuous flow, dramatically reducing noise and pressure ripple compared to external gear designs.
- High Volumetric Efficiency: Precision-ground gear teeth and tight internal clearances minimize internal leakage, maintaining stable flow across the operating pressure range.
- Robust Casing Durability: Heavy-duty cast housing and hardened gear components withstand continuous industrial duty and contaminated-fluid tolerance.
- Direct Fit Replacement: Exact dimensional and functional compatibility with the original Rexroth PGF2-22/022RJ20VU2 / R900054053 specification for drop-in service.
- Compact Footprint: Space-saving design simplifies integration into existing manifold and power-pack configurations.
Typical Industrial Applications
This internal gear pump is ideally suited for plastic injection molding machines, metallurgical and hydraulic presses, CNC machine tools, and general industrial power packs requiring quiet, reliable fixed-displacement flow. It is also commonly found in construction and
PRODUCT IMAGES

Rexroth PGF2-22/022RJ20VU2 / R900054053 Internal Gear Pump
âš¡ 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 PGF2-22/022RJ20VU2 / R900054053 Internal Gear Pump. This Germany-made high-pressure hydraulic component features a fixed displacement internal gear design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.