Product Overview

The Rexroth A4FM28/32W-NSC02-S (Material Number: R902231193) is a high-performance axial piston fixed displacement motor from the renowned Bosch Rexroth A4FM series. Engineered with a bent-axis rotary group design, this motor converts hydraulic pressure into reliable mechanical rotary power with exceptional volumetric and mechanical efficiency. The A4FM series is specifically developed for both open and closed circuit applications, delivering consistent torque output across a wide speed range. With a nominal displacement of 28 cm³/rev and a 32-series designation, this motor is ideal for demanding industrial drive systems requiring precise speed control, high starting torque, and long service life under continuous duty cycles.

Technical Specifications

ParameterSpecification / Feature
Component TypeAxial Piston Fixed Displacement Motor
Model DesignationA4FM28/32W-NSC02-S
Material NumberR902231193
Nominal Displacement28 cm³/rev
Series32
Operating PressureUp to 350 bar (continuous), 400 bar (peak)
Mounting & ConnectionStandard SAE / ISO flange interface
Direction of RotationReversible (bi-directional operation)

Engineering Features & Advantages

  • Precision Performance: Bent-axis axial piston design delivers high starting torque and excellent efficiency across the entire speed range, ensuring precise motion control in demanding drive systems.
  • Industrial Reliability: Built for continuous operation under severe industrial conditions with robust bearings and hardened components for extended service life.
  • Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Rexroth A4FM series specifications, ensuring drop-in replacement without modification.
  • High Power Density: Compact footprint with high torque output, ideal for space-constrained installations in mobile and industrial machinery.
  • Flexible Circuit Compatibility: Suitable for both open and closed loop hydraulic circuits, providing versatility across multiple system architectures.

Typical Industrial Applications

This Rexroth A4FM28/32W-NSC02-S axial piston motor is widely deployed in heavy-duty industrial scenarios including plastic injection molding machines, metallurgical presses and rolling mills, construction and marine hydraulic drive systems, CNC machine tool rotary axes, and winch or drum drive applications requiring reliable high-torque hydraulic power transmission.

PRODUCT IMAGES

REXROTH A4FM28/32W-NSC02-S / R902231193

REXROTH A4FM28/32W-NSC02-S / R902231193 Axial Piston Fixed Displacement Motor

⚡ 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 A4FM28/32W-NSC02-S / R902231193 Axial Piston Fixed Displacement Pump. This Germany-made hydraulic pump features a swashplate design, delivering reliable, high-pressure fluid power for heavy-duty industrial systems.

Tested Genuine Surplus / OEM Hydraulic Component
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Tested Genuine Surplus / OEM Hydraulic Component
WhatsApp RFQ Fast Quote