SMC MK2B5050R Hydraulic Pneumatic Cylinders

( Brand: Smc ), ( Manufacturer Part Number: MK2B5050R ), ( Part Type: Hydraulic Pneumatic Cylinder )

Review SMC Used

The **SMC MK2B5050R** is a high-performance, compact pneumatic actuator designed for precision control in industrial automation, robotics, and specialized machinery applications. Part of SMC s advanced MK2 series, this double-acting, rod-end pneumatic cylinder combines robust engineering with intelligent functionality to deliver reliable linear motion in demanding environments. With a bore size of 50 millimeters and a stroke length of 500 millimeters, the MK2B5050R offers a balanced power-to-size ratio, making it ideal for applications requiring moderate to high force output while maintaining operational efficiency. Its robust construction features a seamless, corrosion-resistant aluminum alloy housing, ensuring durability against wear, vibration, and environmental contaminants, while the integrated piston rod is precision-ground for smooth, low-friction operation. The cylinder incorporates SMC s proprietary **MK2 valve interface**, which simplifies integration with their advanced control systems, including proportional valves and digital feedback modules, enabling precise speed, position, and force regulation. This actuator is particularly well-suited for applications in packaging machinery, material handling systems, medical equipment, and automated assembly lines, where consistent performance and quick response times are critical. The MK2B5050R also includes built-in **end-of-stroke cushioning** to minimize mechanical stress and extend the life of connected components, while its compact design allows for easy installation in tight spaces. Whether used in standalone setups or as part of a larger automated system, this pneumatic actuator exemplifies SMC s commitment to innovation, reliability, and adaptability, providing engineers with a versatile solution for demanding motion control challenges.

### **Pros and Cons of buying a SMC MK2B5050R (Pneumatic Actuator)**

1. **High Torque and Power Output** The MK2B5050R is designed for heavy-duty applications, delivering strong force (500 N m) and reliable performance in industrial settings. This makes it suitable for demanding tasks like clamping, pressing, or positioning in manufacturing.

2. **Durability and Longevity** Built with robust materials, this actuator is designed for extended operational life with minimal wear, reducing maintenance needs over time. Its construction ensures resistance to environmental factors like dust, moisture, and temperature fluctuations.

3. **Precision and Repeatability** The pneumatic system provides consistent and repeatable movements, which is critical in automated processes where accuracy is essential. The smooth operation minimizes positional drift, improving overall productivity.

4. **Versatility in Applications** The MK2B5050R can be integrated into various industrial systems, including CNC machines, packaging equipment, and assembly lines. Its modular design allows for easy customization with different mounting options and accessories.

5. **Energy Efficiency** Pneumatic systems are generally more energy-efficient than hydraulic counterparts in many applications, as they rely on compressed air, which can be easily regulated and recycled within a system.

6. **Quick Response Time** Pneumatic actuators respond rapidly to control signals, making them ideal for applications requiring fast cycle times, such as automated sorting or high-speed production lines.

7. **Low Maintenance Requirements** Compared to electric or hydraulic actuators, pneumatic systems have fewer moving parts that can fail, leading to lower maintenance costs and downtime.

8. **Compatibility with Existing Systems** If your facility already uses compressed air, integrating this actuator is straightforward, reducing the need for additional infrastructure investments.

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1. **Dependence on Compressed Air Supply** The performance of the actuator is directly tied to the quality and consistency of the air supply. Poor filtration, moisture, or pressure fluctuations can lead to reduced efficiency or premature wear.

2. **Noise Generation** Pneumatic systems can be louder than electric alternatives, which may be a concern in noise-sensitive environments or workplaces with strict occupational health regulations.

3. **Limited Force Control Precision** While pneumatic actuators are precise, they may not offer the same level of fine force control as servo-driven electric actuators, which can be critical in delicate or high-precision tasks.

4. **Energy Loss from Leaks** Compressed air leaks can waste energy and reduce system efficiency. Regular inspections and maintenance are required to prevent such losses.

5. **Higher Initial Cost for Air Compression Infrastructure** If your facility does not already have a compressed air system, the upfront cost of installing compressors, dryers, and piping may outweigh the benefits of the actuator itself.

6. **Temperature Sensitivity** Extreme temperatures can affect the performance of pneumatic seals and components, potentially leading to slower response times or reduced lifespan in harsh environments.

7. **Limited Continuous Operation Capability** Unlike electric motors, pneumatic actuators may struggle with continuous high-load operations due to heat buildup in the air supply system, requiring cooling periods.

8. **Size and Weight** The MK2B5050R is a larger and heavier unit compared to some electric or hydraulic alternatives, which may limit installation flexibility in space-constrained environments.

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The **SMC MK2B5050R** is an excellent choice for industrial applications requiring **high torque, durability, and reliability** in environments where pneumatic systems are already in use. Its strengths lie in **consistent performance, low maintenance, and rapid response**, making it ideal for heavy-duty tasks like clamping, pressing, or automated manufacturing. However, potential drawbacks such as **dependence on air quality, noise, and higher initial infrastructure costs** must be carefully considered, especially if your facility lacks a robust compressed air system.

If your primary needs align with **force, speed, and reliability** in a well-established pneumatic setup, this actuator is a strong recommendation. Conversely, if **precision control, silence, or energy efficiency** are critical, alternative technologies (e.g., servo motors or hydraulic systems) may be more suitable.

- You operate in an industry where pneumatic systems are standard (e.g., automotive, packaging, or CNC machining).

- Your facility already has a reliable compressed air supply.

- You prioritize **durability, high torque, and fast cycle times** over fine force control.

- Maintenance and downtime costs are a concern, as pneumatic systems generally require less upkeep.

- Your workspace lacks a compressed air system, as the infrastructure costs may not justify the purchase.

- Noise or environmental regulations make pneumatic systems impractical.

- Your application demands **ultra-precise force control** or operates in extreme temperature conditions where pneumatic performance may degrade.

For most **industrial heavy-duty applications with existing pneumatic infrastructure**, the MK2B5050R is a **solid, high-performance choice**. However, always conduct a cost-benefit analysis tailored to your specific workflow before finalizing the purchase.

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use if purchasing a used product. Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed.

SMC MK2B5050R / USED ROTARTY CLAMP CYLINDER, HEAVY DUTY TYPE, SERIES MK2, BORE SIZE 50MM, STROKE ROTARY DIRECTION CLOCKWISE. Part Number MK2B5050R.

part #: mk2b5050r prices

• $80.00-$219.00

specifications hydraulicylind:

• brand: Smc
• mpn: Mk2b5050r
• part type: Hydraulic Pneumatic Cylinder

returns hydraulicylind:

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

payments hydraulicylind:

• wallet: Google-pay
• other
• credit card: Diners-club

general hydraulicylind:

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

seller hydraulicylind:

• # reviews: 2017 53
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.7%

shipping hydraulicylind:

• type: Fixed
• transit: 30-35 Days
• service: Standard
• cost: $12.90
• class: Standard

offer hydraulicylind:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: April 29, 2026
• sold: 0

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