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  3. LINAK LA31-U921-01

LINAK LA31-U921-01 Actuator

La31-u921-01 Linak Actuator

( Brand: Linak ), ( Manufacturer Part Number: LA31-U921-01 ), ( Part Type: Actuator ), ( Functional Condition: Untested )

Review LINAK Actuator

The **Linak LA31-U921-01** is a high-performance, electrically powered linear actuator designed to deliver exceptional precision, reliability, and efficiency in demanding industrial and commercial applications. Part of Linak s renowned **LA31 series**, this compact yet robust actuator combines advanced engineering with modular flexibility to meet the diverse needs of modern automation systems. Engineered with a **31mm diameter aluminum housing**, the LA31-U921-01 offers a sleek, space-saving profile while maintaining impressive load-bearing capacity, making it ideal for integration into tight installations such as medical equipment, automotive assembly lines, or precision manufacturing machinery. Its **universal mounting system** ensures seamless compatibility with a wide range of platforms, allowing for quick and secure installation without compromising structural integrity.

At the heart of the LA31-U921-01 lies a **high-efficiency brushless DC motor** paired with a precision planetary gear system, delivering smooth, silent operation with minimal heat generation. This motor-gear combination ensures consistent torque output across the full stroke length, providing both **high-speed positioning** and **fine-tuned control** critical for applications requiring repeatable accuracy, such as adjustable workstations, modular furniture systems, or automated medical devices. The actuator s **integrated encoder feedback system** enables closed-loop control, allowing for real-time position monitoring and precise adjustments, which enhances overall system performance and reduces the risk of operational errors.

Safety and durability are prioritized in the design of the LA31-U921-01, with features such as **overload protection** and **thermal management** ensuring long-term reliability even under continuous operation. The actuator s **IP65-rated enclosure** provides robust protection against dust, moisture, and contaminants, making it suitable for harsh environments like cleanrooms, outdoor installations, or industrial settings where exposure to elements is a concern. Additionally, its **low-maintenance construction** eliminates the need for frequent lubrication or adjustments, reducing downtime and operational costs while extending the actuator s service life.

The LA31-U921-01 is also engineered for **energy efficiency**, incorporating intelligent power management to minimize electricity consumption without sacrificing performance. Its **modular design** allows for easy customization, with options for different stroke lengths, voltage inputs (24V DC or 120V AC), and control interfaces, including **PWM, analog, or digital signals**, ensuring compatibility with virtually any automation system. Whether deployed in **medical imaging tables, automotive assembly jigs, or adaptive furniture systems**, this actuator exemplifies Linak s commitment to innovation, precision, and user-centric engineering, delivering a seamless blend of functionality and reliability for modern automation challenges.

### **Pros and Cons of buying a Linak LA31-U921-01 Actuator**

#### **Pros:**

1. **High Quality and Durability** Linak is a well-known brand in the automotive lift industry, known for producing reliable and long-lasting hydraulic actuators. The LA31-U921-01 is designed for heavy-duty use, making it suitable for commercial and industrial applications.

2. **Precision Engineering** The actuator features a sealed hydraulic system with minimal leakage, ensuring smooth and consistent operation over time. This reduces maintenance needs and extends the lifespan of the lift mechanism.

3. **Compatibility with Various Systems** The LA31-U921-01 is designed to work with different lift setups, including car lifts, service bays, and some commercial applications. It is often used in overhead and floor-mounted lifts, making it versatile for different workshop configurations.

4. **Load Capacity** With a specified load capacity (typically around 3,100 kg or 6,800 lbs), this actuator is suitable for lifting heavier vehicles, including SUVs, trucks, and some commercial vehicles.

5. **Easy Installation and Maintenance** Linak actuators are generally designed for straightforward installation, with clear mounting instructions. The hydraulic system is sealed, reducing the need for frequent fluid top-ups or repairs.

6. **Safety Features** Many Linak actuators include built-in safety mechanisms, such as overload protection and fail-safe designs, which help prevent accidents in workshop environments.

7. **Warranty and Support** Linak products often come with manufacturer warranties, and the brand has a strong reputation for customer support, making it easier to find replacement parts or technical assistance if needed.

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#### **Cons:**

1. **High Initial Cost** Compared to some generic or lower-end actuators, the Linak LA31-U921-01 is a premium product, which means it has a higher upfront cost. This may be a barrier for small workshops or budget-conscious buyers.

2. **Specialized Parts and Repairs** Since Linak is a branded product, replacement parts or repairs may require purchasing from authorized dealers, which can be more expensive than generic alternatives.

3. **Potential Overkill for Light-Duty Use** If you are primarily working with light vehicles (e.g., small cars or compact SUVs), this actuator may be more powerful than necessary, leading to unnecessary wear or higher energy consumption.

4. **Hydraulic System Dependence** The actuator relies on hydraulic fluid, which can degrade over time or become contaminated. This requires periodic checks and fluid changes, adding to maintenance responsibilities.

5. **Limited Customization** Unlike some generic actuators, the Linak LA31-U921-01 may not offer as many customization options in terms of stroke length, mounting configurations, or additional features.

6. **Weight and Space Requirements** The actuator is relatively heavy and bulky, which may require additional structural considerations during installation, especially in older or smaller workshops.

7. **Potential Learning Curve** If you or your team are unfamiliar with Linak systems, there may be a slight learning curve in terms of operation, troubleshooting, or maintenance procedures.

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### **Conclusion:**

The Linak LA31-U921-01 actuator is a high-quality, durable, and reliable choice for heavy-duty automotive lifts, particularly in commercial or industrial settings. Its precision engineering, safety features, and compatibility with various lift systems make it a strong contender for workshops that prioritize longevity and performance. However, the higher cost, specialized maintenance needs, and potential overcapacity for lighter applications may not make it the best fit for every user.

If you are running a workshop that frequently lifts heavy vehicles, requires minimal maintenance, and can invest in a premium product, the Linak LA31-U921-01 is an excellent choice. For smaller workshops or those working primarily with light vehicles, a more cost-effective or customizable actuator might be a better alternative.

### **Recommendation:** - **Buy the Linak LA31-U921-01 if:**

- You need a robust, long-lasting actuator for heavy-duty lifting.

- You prioritize reliability and brand support.

- Your workshop frequently handles SUVs, trucks, or commercial vehicles.

- You are willing to invest in a premium product for reduced long-term maintenance.

- **Consider alternatives if:**

- Your budget is limited, and you can find a similarly rated generic actuator at a lower cost.

- You primarily work with light vehicles and do not need the full capacity of this actuator.

- You require more customization options or lighter-weight solutions.

Ultimately, weigh your specific needs, budget, and long-term goals to determine whether the Linak LA31-U921-01 is the right fit for your application.

Details:

Current rates are $175 for packing and pelleting each standard pallet Standard size is 48 x40 x60 $300 non-standard. The and photos represent best efforts to convey information our opinions about a product. Reline will attempt to replace product prior issuing credit. Shipping cost is calculated by zip code and available at the top of page.

$350 for packing and pelleting each custom reinforced pallet.

part #: la31u92101 price

  • $75.00

specifications linactuat:

  • brand: Linak
  • mpn: La31-u921-01
  • part type: Actuator
  • functional condition: Untested

returns linactuat:

  • method: Money back
  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

shipping linactuat:

  • carrier: UPS
  • transit: 4-7 Days
  • class: Standard
  • type: Calculated
  • cost: $47.05
  • service: UPS Ground

offer linactuat:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: March 12, 2026
  • best offers: True
  • quantity: 1

seller linactuat:

  • rating: 99.9%
  • city: Twinsburg, Ohio
  • # reviews: 15366

general linactuat:

  • Industrial Automation Motion Controls > Rotary Linear Motion > Linear Actuators
  • condition: Used

payments linactuat:

  • wallet: Apple-pay
  • other
  • credit card: Discover
part type: actuator, functional condition: untested,
category: business & industrial > industrial automation motion controls > rotary linear motion > linear actuators, sku: 14161881251891782,
Linak LA31-U921-01 Is Similar To:
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1 offer $75.00 USD
  • Used. Offer #1 priced at $75.00 + $47.05 shipping estimate = $122.05* total. reLink will attempt to replace product prior to issuing credit OEM: Linak.+$47.05 shipping

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