Product Overview
The Rexroth A7VKG028MA/10MRSL4P550-0 (R902191571) is a high-performance axial piston variable displacement pump engineered by Bosch Rexroth for demanding industrial and mobile hydraulic systems. Featuring a bent-axis rotary group design, this pump delivers exceptional volumetric efficiency and high pressure capability in a compact, robust housing. The A7VKG series is specifically configured for closed-loop hydrostatic transmission circuits, providing infinitely variable flow control proportional to the swashplate angle. With a nominal displacement of 28 cm³/rev and a pressure rating of 550 bar, this unit is ideally suited for applications requiring precise speed and torque control, smooth reversing capability, and reliable continuous-duty operation.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Axial Piston Variable Displacement Pump (Bent-Axis Design) |
| Model Designation | A7VKG028MA/10MRSL4P550-0 / R902191571 |
| Nominal Displacement | 28 cm³/rev |
| Operating Pressure | Up to 550 bar (rated peak pressure) |
| Control Type | Variable Displacement with Integrated Control (MA Configuration) |
| Mounting & Connection | Standard ISO / SAE Flange Interface, Splined Shaft |
| Circuit Configuration | Closed-Loop Hydrostatic Transmission |
| Direction of Rotation | Reversible (Clockwise / Counter-Clockwise) |
Engineering Features & Advantages
- Precision Performance: Bent-axis axial piston design delivers high volumetric efficiency, superior starting torque, and precise flow control proportional to swashplate angle, ensuring smooth acceleration and deceleration in closed-loop circuits.
- High Pressure Capability: Rated for continuous operation up to 550 bar, enabling compact system design and high power density for demanding industrial and mobile applications.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with robust bearing and sealing systems, extended service life, and resistance to thermal and mechanical stress.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, ensuring drop-in replacement without modification to existing hydraulic circuits.
- Integrated Control Options: MA control configuration provides reliable displacement adjustment, supporting precise speed and torque regulation in hydrostatic drive systems.
Typical Industrial Applications
This Rexroth A7VKG028 axial piston pump is commonly deployed in closed-loop hydrostatic transmission systems across heavy industry, including plastic injection molding machines, metallurgical presses, construction and earth-moving equipment, marine winch and propulsion drives, CNC machine tool feed systems, and mobile hydraulic power units requiring precise variable speed control and high-pressure capability.
PRODUCT IMAGES
REXROTH A7VKG028MA/10MRSL4P550-0 / R902191571 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 A7VKG028MA/10MRSL4P550-0 / R902191571 Axial Piston Variable Displacement Pump. This German-made hydraulic pump features a swashplate design, delivering reliable, high-pressure fluid power for heavy-duty industrial systems.
