Fanuc A06B-0075-B103: Precision CNC Servo Motor for Industrial Automation

Key Specifications and Features
The Fanuc A06B‑0075‑B103 boasts a rigid steel housing and IP65 protection, ensuring durability against coolant spray and dust. Its core attributes include:

  • Rated Torque: 2.39 Nm continuous, 7.16 Nm peak

  • Speed: 3000 rpm nominal

  • Feedback Encoder: 20-bit optical absolute for sub‑micron positioning

  • Voltage & Drive Technology: Compatible with Fanuc αi/αiA series drives, supporting sinusoidal commutation and pulse‑width modulation

  • Thermal Class: F insulation for extended runtime under load

  • Shaft & Bearings: Hardened stainless steel shaft with dual angular contact bearings for smooth rotation

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    Additional Information

    Part Number: A06B‑0075‑B103
    Description: Brushless AC Servo Motor – Compact, Precision-Class
    Product Series: A06B‑0075

    Availability: In Stock – Contact for Lead Time
    Core Exchange: Required
    Repair: Available

    The Fanuc A06B‑0075‑B103 is a compact yet powerful brushless servo motor, built for high-precision CNC control systems and robotic automation. As part of the trusted A06B‑0075 family, it delivers exceptional responsiveness, repeatability, and torque control—making it an ideal fit for light to mid-duty milling, lathing, and robotic axis applications.

    This motor is currently in stock and available for purchase. For lead time and shipping arrangements, please contact us directly.

    A core exchange is required at the time of purchase to ensure sustainable product circulation and cost-effective refurbishing. If you’re maintaining legacy equipment, this model is also repairable, helping you reduce overall lifecycle costs.


    Performance Highlights

    SpecificationDetails
    Motor TypeBrushless DC Servo
    Continuous TorqueOptimized for precision low-inertia loads
    EncoderHigh-resolution absolute optical encoder
    Control SystemCompatible with Fanuc αi / αiA drives
    Speed RangeSuitable for 3000 rpm-class operations
    Ingress ProtectionIP65 – Dust & splash resistant
    Insulation ClassClass F – Thermally resilient

    Precision Engineering Advantages

    • ⚙️ Low-Inertia Rotor – Enables sharp acceleration with minimal overshoot

    • 📏 Tight Repeatability – Conforms to ISO 230‑2 for CNC accuracy

    • 🔧 Plug-and-Play Setup – Reduces integration time on Fanuc 30i/31i platforms

    • 🧼 IP65 Rated – Resists humidity, airborne dust, and light washdowns

    • 🛠️ Upgradeable or Repairable – Ideal for both new builds and retrofits


    Applications

    Whether you’re retrofitting a legacy vertical mill, automating a mid-load lathe, or driving a robotic gantry, the A06B‑0075‑B103 supports high-speed motion control and dynamic accuracy across diverse industrial platforms.


    FAQ – A06B‑0075‑B103

    Q: What CNC machines are compatible with this motor?
    A: This motor works seamlessly with any CNC platform using Fanuc αi or αiA drives, including vertical machining centers, horizontal lathes, and gantry-style robotic systems.

    Q: How do I verify authenticity?
    A: Genuine Fanuc parts include a holographic serial label on the motor flange. Always purchase through an authorized distributor to ensure warranty and compliance.

    Q: Is it safe to use in high-humidity environments?
    A: Yes. Its IP65 sealing and F-class insulation allow operation in humid, dusty, and lightly washed-down production areas.

    Conclusion

    The Fanuc A06B‑0075‑B103 servo motor offers a reliable and efficient motion control solution for small-to-mid-scale CNC and automation systems. With plug-and-play integration, IP65 durability, and repairability, it’s a future-ready choice for precision manufacturing environments.

    Enhance your machine’s performance today—explore our full range of Fanuc replacement parts or contact our team for a tailored quote and technical support.