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  3. SMC MRQBS40-UIA950613

SMC MRQBS40-UIA950613 Rotary Actuator 40MM 50MM 170-190 100PSI

Mrqbs40-uia950613 Smc Rotary Actuator 40mm Bore 50mm Stroke 170-190 100psi

( Brand: Smc ), ( Manufacturer Part Number: MRQBS40-UIA950613 ), ( Part Type: Actuator ), ( Cylinder Action: Double-acting ), ( Cylinder Type: Rotary Cylinder )

Review SMC Rotary Actuator 40mm Bore 50mm Stroke 170-190 100psi

The **SMC MRQBS40-UIA950613 Rotary Actuator** is a high-performance, precision-engineered pneumatic actuator designed for demanding industrial applications requiring reliable, repeatable angular motion. Part of SMC s robust **MRQB series**, this compact yet powerful rotary actuator delivers smooth, controlled rotation within a 40mm stroke range, making it ideal for applications such as indexing, clamping, positioning, and automated assembly tasks. With a **50mm bore size**, it ensures strong, consistent force output, capable of handling loads with precision while maintaining operational efficiency. The actuator operates within a **170 to 190 rotation range**, offering flexibility for applications requiring partial or full rotational movement, whether for linear-to-rotary conversion, tool positioning, or part manipulation in manufacturing processes.

Constructed from durable materials, the MRQBS40-UIA950613 is built to withstand harsh environments, featuring a **100psi (6.9 bar) working pressure** that balances power with energy efficiency. Its **double-acting design** allows for bidirectional control, enabling rapid and accurate positioning in both clockwise and counterclockwise directions, while the integrated **quick-disconnect fittings** simplify installation and maintenance. The actuator s **aluminum housing** provides a lightweight yet sturdy construction, reducing overall system weight without compromising structural integrity, while its **sealed shaft** ensures protection against dust, debris, and moisture, enhancing longevity in automated systems.

Ideal for integration into CNC machines, robotic arms, packaging equipment, and material handling systems, this rotary actuator offers seamless compatibility with SMC s extensive range of pneumatic components, including valves, cylinders, and control systems. Its **modular design** allows for easy customization, whether through the addition of position sensors, limit switches, or mounting brackets, ensuring optimal performance in diverse industrial setups. With a reputation for precision, durability, and reliability, the **SMC MRQBS40-UIA950613** is a versatile solution for engineers and operators seeking a high-performance rotary actuator that delivers consistent, repeatable motion with minimal maintenance requirements. Whether used in high-speed production lines or precision assembly applications, this actuator ensures smooth operation, reduced downtime, and enhanced productivity in automated processes.

### **Pros and Cons of buying a SMC MRQBS40-UIA950613 Rotary Actuator**

#### **Pros:**

1. **High Precision and Reliability** SMC is a well-established brand known for manufacturing high-quality pneumatic components. This actuator is designed for precise angular positioning, making it suitable for automated systems requiring repeatability.

2. **Compact and Lightweight Design** With a 40mm bore and 50mm stroke, it is compact enough for applications with limited space while still delivering sufficient force (170 190 Nm at 100 psi).

3. **Wide Range of Motion (170 190 )** The adjustable stroke allows flexibility in positioning, making it adaptable to various tasks such as indexing, clamping, or rotational alignment.

4. **High Pressure Rating (100 psi)** Operates efficiently at standard pneumatic pressures, ensuring strong and consistent performance without excessive energy consumption.

5. **Easy Integration** Compatible with SMC s standard pneumatic fittings and control systems, simplifying installation and maintenance in existing setups.

6. **Durable Construction** Made from robust materials, it is designed for long-term use in industrial environments, reducing the need for frequent replacements.

7. **Quiet Operation** SMC actuators are generally quieter than some competitors, which can be beneficial in noise-sensitive applications.

8. **Standardized Components** Being a widely available SMC product, spare parts and technical support are easily accessible.

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#### **Cons:**

1. **Limited Stroke Range** While adjustable, the maximum stroke (190 ) may be insufficient for applications requiring full 360 rotation or larger angular movements.

2. **Higher Upfront Cost** Compared to generic or non-branded actuators, SMC products tend to be more expensive, which may be a drawback for budget-conscious buyers.

3. **Dependence on Pneumatic System** Requires a stable compressed air supply, and performance can degrade if air quality or pressure fluctuates.

4. **Maintenance Requirements** Like all pneumatic actuators, it may need periodic lubrication and filter maintenance to prevent wear and ensure longevity.

5. **Size Constraints** The 40mm bore limits the maximum force output compared to larger actuators, which may restrict its use in high-load applications.

6. **Potential for Leaks** If not properly installed or maintained, seals and fittings can develop leaks, leading to inefficiency or downtime.

7. **Limited Customization** Unlike some specialized actuators, this model offers limited options for customization beyond stroke adjustment, which may not suit unique applications.

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### **Conclusion:**

The **SMC MRQBS40-UIA950613** is an excellent choice for applications requiring **precise, compact, and reliable rotational motion** within its specified range (170 190 ). Its **high-quality build, ease of integration, and durability** make it ideal for industrial automation, assembly lines, or any system where consistent angular positioning is critical.

However, if your application demands **larger strokes, higher torque, or full 360 rotation**, you may need to consider a different model or a larger actuator. Additionally, the **higher cost** and **dependence on pneumatic systems** should be factored into your decision.

### **Recommendation:** - **Buy it if:**

- You need a **reliable, compact rotary actuator** for precise positioning within 170 190 .

- Your system already uses **SMC components**, ensuring compatibility.

- Budget constraints allow for a **premium, long-lasting solution**.

- **Consider alternatives if:**

- You require **larger strokes or higher torque** (e.g., 360 rotation or >200 Nm).

- Cost is a major concern, and a **generic or lower-end actuator** could suffice.

- Your application involves **extreme environmental conditions** (e.g., high dust, moisture, or temperature fluctuations), where a specialized actuator may be needed.

For most **standard industrial automation tasks** where precision and reliability are prioritized, this SMC actuator is a **strong recommendation**. However, always verify your specific requirements before purchasing to ensure it meets your needs.

Details:

This is a surplus item. Rotation Range: 170 to 190. Bore Diameter: 40mm. Specifications: model #: MRQBS40-UIA950613, MRQBS40-50NB-XN.

Stroke length : 50mm.

part #: mrqbs40uia950613 prices

  • $500.00-$598.40

specifications hydraulicylind:

  • brand: Smc
  • mpn: Mrqbs40-uia950613
  • part type: Actuator
  • cylinder action: Double-acting
  • cylinder type: Rotary Cylinder

seller hydraulicylind:

  • rating: 100.0%
  • # reviews: 45262
  • city: Osseo, Minnesota

offer hydraulicylind:

  • best offers: True
  • availability: In Stock
  • started: April 21, 2026
  • sold: 0
  • options: Ship-to-home
  • quantity: 1

general hydraulicylind:

  • Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders
  • condition: Used

shipping hydraulicylind:

  • carrier: UPS
  • cost: $0.00
  • service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
  • transit: 2-4 Days
  • type: Calculated
  • class: Standard, Expedited, One-day

payments hydraulicylind:

  • credit card: Diners-club
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returns hydraulicylind:

  • method: Money back
  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer
part type: actuator, cylinder action: double-acting, cylinder type: rotary cylinder,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > hydraulic pneumatic cylinders, sku: 22838177444678604,
Smc MRQBS40-UIA950613 Is Similar To:
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3 offers $500.00–$598.40 USD
  • Used. Offer #1 priced at $500.00 + $0.00 shipping estimate = $500.00* total. Ports: 1/8in. SMC Pneumatic Rotary Actuator.FREE SHIPPING
  • New – Open box. Offer #2 priced at $592.38 + $12.90 shipping estimate = $605.28* total. Part Number MRQBS40UIA950613.+$12.90 shipping
  • Used. Offer #3 priced at $598.40 + $19.12 shipping estimate = $617.52* total. It does not include manuals or printed materials Related Ideal Reference Numbers: 78007.+$19.12 shipping

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