SMC US4313-S50 Pneumatic Cylinder Rotating Double Act

( Brand: Smc ), ( Manufacturer Part Number: US4313-S50 ), ( Part Type: Pneumatic Cylinder ), ( Cylinder Action: Double-acting ), ( Suitable Media: Compressed Air ), ( Cylinder Type: Single-rod Cylinder ), ( Maximum Pressure: 145 Psi )

Review SMC Pneumatic Cylinder Inch Bore Stroke Non rotating Double Act

The **SMC US4313-S50 Pneumatic Cylinder (Non-Rotating, Double-Acting)** is a high-performance, precision-engineered actuator designed for demanding industrial applications where reliability, efficiency, and compact form factor are critical. Part of SMC s renowned **US Series**, this cylinder is engineered to deliver consistent, high-speed linear motion with minimal friction, making it ideal for automated assembly lines, packaging machinery, clamping systems, and other high-cycle applications. With a **bore size of 43 mm (1.69 inches)** and a **stroke length of 50 mm (1.97 inches)**, this compact yet robust cylinder balances power and precision, ensuring smooth operation even under heavy loads. The **non-rotating design** prevents unwanted twisting during extension or retraction, which is essential in applications where alignment must remain precise, such as in robotic grippers, indexing systems, or material handling equipment.

Constructed from **high-grade aluminum alloy**, the cylinder body is lightweight yet durable, resistant to corrosion and wear, and capable of withstanding harsh environmental conditions, including temperature fluctuations and exposure to moisture or dust. The **double-acting design** provides bidirectional force, allowing for controlled movement in both extension and retraction phases, which is crucial for applications requiring precise positioning, such as in injection molding tools, press systems, or automated testing equipment. The cylinder features **sealed rod ends** with **dual-lip piston seals** and **wiped seals** to prevent contamination from entering the cylinder, ensuring long-term reliability and reducing maintenance requirements. Additionally, the **hardened guide rods** and **low-friction bearings** minimize wear and tear, extending the cylinder s operational lifespan while maintaining smooth, vibration-free motion.

For enhanced safety and operational efficiency, the **US4313-S50** is equipped with **SMC s proprietary seal and bearing technology**, which reduces energy consumption by optimizing air flow and minimizing internal leakage. The cylinder s **standard mounting options**, including **flange, foot, or trunnion mounts**, provide versatility in integration with existing machinery, while the **quick-connect fittings** (M5 x 0.8 thread) simplify installation and disconnection for easy maintenance or replacement. Optional accessories, such as **buffering systems, position sensors, or magnetic rod sensors**, can be easily integrated to further enhance performance, enabling precise control and feedback in automated processes. Whether deployed in a high-speed production line or a precision engineering application, the **SMC US4313-S50** delivers dependable, high-performance linear actuation with minimal downtime, making it a cornerstone component for modern industrial automation.

### **Pros and Cons of buying a SMC US4313-S50 Pneumatic Cylinder (Non-Rotating, Double-Acting)**

#### **Pros**

1. **High Reliability and Durability** SMC is a well-established brand known for producing high-quality pneumatic components with robust construction. This cylinder is designed for industrial use, ensuring long service life with proper maintenance.

2. **Double-Acting Operation** The double-acting design means the cylinder can extend and retract under positive pneumatic control, providing precise positioning and force in both directions. This is useful for applications requiring bidirectional control, such as clamping, pressing, or positioning.

3. **Non-Rotating Mounting** The non-rotating feature ensures the cylinder remains stable and aligned during operation, reducing wear on seals and mounts. This is particularly beneficial in applications where misalignment could cause damage or inefficiency.

4. **Standardized and Compatible** SMC components are widely used in industrial automation, making them easy to integrate with existing systems. The US4313-S50 is part of a well-documented product line, ensuring availability of spare parts and technical support.

5. **Adjustable Stroke Length** The cylinder s stroke (500 mm in this model) can be optimized for specific applications, and SMC offers customization options if needed. This flexibility allows for adaptation to different workspace requirements.

6. **Energy Efficiency** Pneumatic systems are generally more energy-efficient than hydraulic systems for many applications, especially in intermittent or low-force operations. The double-acting design minimizes energy loss during retraction.

7. **Quick and Easy Maintenance** SMC cylinders are designed for straightforward disassembly and cleaning. Seals and internal components can be replaced without extensive downtime, reducing maintenance costs over time.

8. **Wide Range of Accessories** SMC offers a variety of accessories, such as cushioning, rod seals, and mounting brackets, which can enhance performance and extend the cylinder s lifespan.

9. **Global Support and Warranty** SMC has a strong global presence with authorized distributors and technical support. Many models come with warranties, providing peace of mind for industrial users.

10. **Cost-Effective for High-Volume Applications** While the initial cost may be higher than some generic alternatives, the reliability and longevity of SMC cylinders often make them cost-effective in the long run, especially in high-volume or critical applications.

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#### **Cons**

1. **Higher Upfront Cost** Compared to some generic or lower-end pneumatic cylinders, SMC products are premium-priced. This may be a barrier for small businesses or startups with limited budgets.

2. **Dependence on Pneumatic Supply** Pneumatic systems require a compressed air source, which may not be available or may need additional infrastructure (compressors, filters, dryers). This adds to the overall system cost and complexity.

3. **Noise and Vibration** Pneumatic cylinders can generate noise and vibration during operation, which may require additional soundproofing or damping solutions in sensitive environments.

4. **Limited Customization for Extreme Conditions** While SMC offers a wide range of standard models, extreme environments (e.g., high temperatures, corrosive chemicals, or high-speed applications) may require specialized modifications that could increase costs.

5. **Maintenance Requirements** Like all pneumatic components, the cylinder requires regular inspection of seals, lubrication of moving parts, and air quality control to prevent premature wear or failure. Neglecting maintenance can lead to downtime.

6. **Potential for Air Leaks** Over time, seals and connections can degrade, leading to air leaks. While SMC cylinders are durable, leaks can occur if the system is not properly maintained or if inferior fittings are used.

7. **Space and Installation Constraints** The cylinder s size (43 mm bore, 500 mm stroke) may not be suitable for applications with tight space constraints. Proper mounting and alignment are critical to avoid operational issues.

8. **Dependence on Skilled Labor for Installation** Improper installation can lead to misalignment, excessive wear, or failure. Skilled technicians may be required to ensure the cylinder operates correctly within the system.

9. **Environmental Considerations** Pneumatic systems release compressed air into the environment, which can contribute to noise pollution and, in some cases, require exhaust treatment if operating in enclosed spaces.

10. **Potential for Overkill in Low-Demand Applications** For very low-force or simple applications, a more basic cylinder might suffice, and the added robustness of an SMC cylinder may not be justified.

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### **Conclusion**

The **SMC US4313-S50 pneumatic cylinder** is an excellent choice for industrial applications requiring **precision, reliability, and bidirectional control**. Its double-acting design, non-rotating mounting, and brand reputation make it a strong option for automation, manufacturing, and material handling. However, the **higher initial cost, dependency on pneumatic infrastructure, and maintenance requirements** must be carefully considered.

- **Automation systems** needing consistent force and positioning.

- **Industrial machinery** where reliability and longevity are critical.

- **Applications with bidirectional movement**, such as clamping, pressing, or indexing.

- **Budget-conscious projects** where lower-cost alternatives could suffice.

- **Applications with extreme environmental conditions** that require specialized modifications.

- **Low-force or simple operations** where a basic cylinder would be overkill.

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### **Recommendation**

- Your application demands **high precision, bidirectional control, and long-term reliability**.

- You are working in an **industrial or automated environment** where downtime is costly.

- You can justify the **premium cost** with the cylinder s performance and support benefits.

- Your system already has a **compressed air supply** and proper maintenance protocols in place.

- Your budget is **strictly limited**, and you can find a similarly rated generic cylinder with comparable performance.

- Your application is **low-force or simple**, and a basic pneumatic cylinder would meet your needs.

- You are operating in **extreme conditions** (e.g., high temperatures, corrosive environments) where specialized cylinders may be required.

For most **mid-to-high-end industrial applications**, the SMC US4313-S50 is a **strong, well-supported choice** that balances performance, durability, and ease of integration. Ensure you pair it with proper **air filtration, lubrication, and maintenance** to maximize its lifespan and efficiency.

Details:

SMC US4313-S50 Pneumatic Cylinder 1 Bore, 2 Stroke, Non-Rotating, Double Acting.

part #: us4313s50 price

• $25.99

specifications hydraulicylind:

• brand: Smc
• mpn: Us4313-s50
• part type: Pneumatic Cylinder
• cylinder action: Double-acting
• suitable media: Compressed Air
• cylinder type: Single-rod Cylinder
• maximum pressure: 145 Psi

offer hydraulicylind:

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

payments hydraulicylind:

• wallet: Apple-pay
• credit card: Mastercard
• other

seller hydraulicylind:

• rating: 100.0%
• city: Duck River, Tennessee
• # reviews: 889

general hydraulicylind:

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

returns hydraulicylind:

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

shipping hydraulicylind:

• service: USPS Ground Advantage
• type: Calculated
• transit: 3-9 Days
• class: Standard
• carrier: USPS
• cost: $0.00

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