Rexroth 3842547991 02112-AA44-0001 0190-24640 Electric Motor – Obsolete VarioFlow Spare Part

Technical Dossier

Product Details And Specifications

Rexroth 3842547991 02112-AA44-0001 0190-24640 Electric Motor – Obsolete VarioFlow Spare Part

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Note: Electrical parameters (voltage, current, RPM) are confirmed only against physical unit inspection. No unverified specifications are published here. Contact us for a full datasheet from our inspection records.

Solving the Discontinued Hardware Crisis

The Bosch Rexroth VarioFlow platform has been deployed in production environments for over two decades. Its modular architecture made it the preferred choice for flexible assembly lines in the automotive tier-1 and electronics manufacturing sectors. The drive motor 3842547991 is the unit that converts electrical input into the mechanical motion that keeps product carriers moving through each workstation. There is no generic substitute — the mounting geometry, shaft dimensions, and control interface are specific to the VarioFlow mechanical envelope.

Condition & Reliability Assurance

Discontinued motors sourced from the secondary market carry age-related failure risks that differ from new production units. DriveKNMS applies a 5-step inspection protocol before any unit is offered for sale:

• Electrolytic Capacitor Assessment: Internal capacitors are tested for capacitance drift and ESR degradation — the primary failure mode in motors stored beyond five years.
• Firmware & Control Interface Verification: Where applicable, embedded control logic is verified against the known revision history for this part number to confirm compatibility with the target system firmware.
• Pin and Connector Corrosion Inspection: All electrical connectors and terminal pins are inspected under magnification for oxidation, fretting corrosion, and mechanical deformation.
• Mechanical Integrity Check: Shaft, bearing play, and housing integrity are assessed. Units with measurable bearing wear or housing damage are quarantined and not offered for sale.
• Functional Run Test: Where test bench infrastructure permits, units are powered and run under load to confirm operational output before dispatch.

Key Features for System Maintenance

• Drop-in Replacement: The 3842547991 installs directly into the existing VarioFlow mechanical frame without modification to mounting brackets, drive belts, or carrier guides.
• No Reprogramming Required: The motor interfaces with existing VarioFlow drive controllers using the original wiring harness and connector. No PLC parameter changes are required for a standard swap.
• Avoids Engineering Redesign Costs: Substituting a non-OEM motor into a VarioFlow line requires mechanical adaptation, electrical re-mapping, and in most cases a formal engineering change order. Using the correct OEM part number eliminates that cost entirely.
• Preserves System Certification: In regulated manufacturing environments (automotive IATF 16949, medical device ISO 13485), substituting non-OEM components can trigger re-validation requirements. An OEM part number replacement maintains the original system configuration record.

How do I confirm the unit is genuine Bosch Rexroth?
Every unit shipped includes the original OEM labeling, part number engraving, and where available, the original packaging. Our inspection report, issued with each unit, documents the physical verification steps completed prior to dispatch.