SMC CDNA2D63-250-D Double Acting Air Cylinder Usip

( Brand: Smc ), ( Manufacturer Part Number: CDNA2D63-250-D ), ( Part Type: Cylinder )

Review SMC Double Acting Air Cylinder Usip

The **SMC CDNA2D63-250-D Double-Acting Air Cylinder** is a high-performance pneumatic actuator engineered for precision, reliability, and versatility in industrial automation applications. Part of SMC s renowned CDNA series, this robust cylinder is designed to deliver consistent and powerful linear motion with exceptional repeatability, making it an ideal choice for machinery requiring high-speed, high-force actuation. The **63mm bore diameter** provides a substantial displacement volume, ensuring ample force output up to **2,500 N (250 kgf)** to handle demanding tasks such as clamping, positioning, or material handling with ease. Its **double-acting design** allows for controlled movement in both extension and retraction phases, driven by compressed air, which eliminates the need for external springs or return mechanisms, enhancing efficiency and reducing system complexity.

Constructed from high-grade materials, the CDNA2D63-250-D features a **durable aluminum alloy rod** and **stainless steel rod guide**, ensuring resistance to corrosion, wear, and fatigue even in harsh environments. The **sealed piston rod** incorporates advanced lip seals and wiper rings to prevent contamination from dust, debris, or moisture, maintaining optimal performance over extended operational lifespans. The cylinder s **standard stroke length of 250mm** (adjustable within SMC s range) offers a balanced compromise between compact installation and sufficient travel distance, making it suitable for applications where space constraints are a consideration. For added convenience, the cylinder is equipped with **standard ISO VDMA mounting flanges**, ensuring compatibility with a wide range of automation systems, while its **quick-connect fittings** simplify installation and maintenance.

SMC s proprietary **air cushioning technology** integrated into the cylinder s design minimizes noise and vibration during operation, contributing to a quieter and smoother workflow. The **double-acting rodless version** (indicated by the "D" suffix) eliminates the need for a rod guide, further reducing friction and wear while allowing for more compact system layouts. Additionally, the cylinder s **adjustable end-of-stroke buffers** help protect both the cylinder and connected components from impact damage, extending the lifespan of the entire pneumatic system. With its **IP65 protection rating**, the CDNA2D63-250-D is well-suited for applications in cleanrooms, outdoor environments, or areas exposed to moderate levels of moisture and dust, ensuring reliable performance in diverse industrial settings.

Whether integrated into packaging machinery, assembly lines, or material processing systems, this cylinder delivers **consistent force, precise positioning, and long-term durability**, making it a cost-effective solution for manufacturers seeking high-quality pneumatic actuation. SMC s reputation for innovation and reliability ensures that the CDNA2D63-250-D not only meets but exceeds industry standards, providing operators with a dependable component that enhances productivity and reduces downtime.

### **Pros and Cons of buying a SMC CDNA2D63-250-D Double-Acting Air Cylinder**

#### **Pros**

1. **High Performance and Reliability** SMC is a well-established brand known for precision-engineered pneumatic components. This cylinder is designed for industrial applications, offering consistent performance under heavy loads and frequent cycling.

2. **Double-Acting Design** The double-acting mechanism provides power in both extension and retraction, making it suitable for applications requiring bidirectional force (e.g., clamping, pressing, or pushing/pulling operations).

3. **Standardized Compatibility** The **CDNA2D63-250-D** fits within SMC s modular system, meaning it can be easily integrated with other SMC valves, fittings, and accessories, reducing compatibility issues.

4. **Durable Construction** Made from high-quality materials, this cylinder is built to withstand harsh environments, including exposure to dust, moisture, and temperature fluctuations (within specified limits).

5. **Adjustable Stroke Length** The **250 mm** stroke length is versatile for many applications, though it can be extended or shortened with additional rods or mounting options if needed.

6. **Low Maintenance** Double-acting cylinders typically require less maintenance than single-acting types since they rely on air pressure for both movements, reducing wear on internal seals and components.

7. **Energy Efficiency** Since it uses compressed air, it is more energy-efficient than hydraulic systems in many cases, especially when paired with efficient air compressors.

8. **Quick Delivery and Availability** As a standard model from a major manufacturer, this cylinder is likely to be in stock or available for quick delivery, reducing downtime.

9. **Safety Features** SMC cylinders often include built-in safety mechanisms such as cushioning options to prevent sudden stops and reduce noise/vibration.

10. **Cost-Effective for Industrial Use** While not the cheapest option, its reliability and longevity often justify the investment in high-volume or critical applications.

---

#### **Cons**

1. **Higher Upfront Cost** Compared to generic or aftermarket cylinders, SMC products are premium-priced, which may be a barrier for small businesses or budget-conscious buyers.

2. **Dependence on Compressed Air Supply** The cylinder requires a stable and properly maintained air supply. Poor air quality (moisture, contaminants) can reduce performance and lifespan.

3. **Limited Customization** While the **CDNA2D63-250-D** is versatile, major modifications (e.g., non-standard rod diameters, extreme stroke lengths) may require additional components or custom orders, increasing costs.

4. **Noise and Vibration** Like most pneumatic cylinders, this model can generate noise and vibration during operation, which may require additional soundproofing or damping solutions in sensitive environments.

5. **Maintenance Requirements** While generally low, periodic checks for air leaks, seal wear, and rod corrosion are necessary to ensure optimal performance.

6. **Potential for Air Leaks** If the cylinder or associated fittings develop leaks, it can lead to inefficiency and increased energy costs. Regular inspections are recommended.

7. **Space Constraints** The **63 mm bore size** and **250 mm stroke** may not fit in compact applications, requiring careful installation planning.

8. **Training Dependency** Proper installation, programming (if integrated into a control system), and maintenance require trained personnel, which may add operational costs.

9. **Environmental Limitations** Extreme temperatures, high humidity, or corrosive environments may reduce the cylinder s lifespan if not properly protected (e.g., with seals or coatings).

10. **Potential for Overkill in Light-Duty Applications** For very low-force or infrequent-use applications, a smaller or simpler cylinder might suffice, making this model unnecessarily expensive.

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### **Conclusion**

The **SMC CDNA2D63-250-D** is a robust, reliable double-acting air cylinder well-suited for industrial applications requiring bidirectional force, precision, and durability. Its strengths lie in its compatibility with SMC s ecosystem, low maintenance needs, and consistent performance under demanding conditions. However, its higher cost, dependence on air quality, and potential noise/vibration issues must be carefully considered.

- Manufacturing plants needing high-cycle, high-reliability pneumatic actuators.

- Applications requiring bidirectional force (e.g., clamping, assembly lines).

- Users already invested in SMC s pneumatic system for seamless integration.

- Environments where downtime is costly, justifying the premium price.

- Budget-sensitive projects where lower-cost alternatives could suffice.

- Applications with extreme environmental conditions not accounted for in standard specifications.

- Light-duty or infrequent-use scenarios where a smaller cylinder would be more efficient.

### **Final Recommendation**

If your application demands **reliability, precision, and bidirectional force** within the specified parameters, the **SMC CDNA2D63-250-D** is a strong choice. Ensure your air supply system is properly maintained and that the installation environment aligns with the cylinder s operational limits. For long-term cost savings, factor in maintenance and energy efficiency alongside the upfront investment. If budget or application requirements differ significantly, explore alternatives like other SMC models or third-party cylinders with comparable specifications.

Details:

A previously used, fully functional product that may have some signs of cosmetic wear.: Locking Air Cylinders. Most items are in stock when they listed. The product must be the original item shipped, with matching serial numbers if applicable.

Country of Origin: US. Special Instructions. SMC CDNA2D63-250-D Double Acting Air Cylinder Manufactured by. Mounting Type: Double Clevis.

Magnet: Built-in. Manufacturer Part Number: CDNA2D63-250-D. SMC CDNA2D63-250-D Double Acting Air Cylinder Double acting, single rod cylinder with lock, 63mm bore, 250mm Diameter: 63mm. 2-Year MRO Shield Protection Plan Included.

part #: cdna2d63250 price

• $360.00

specifications hydraulicylind:

• brand: Smc
• mpn: Cdna2d63-250-d
• part type: Cylinder

general hydraulicylind:

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

payments hydraulicylind:

• credit card: Discover
• wallet: Google-pay
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• class: Standard, One-day
• cost: $42.86
• type: Calculated
• service: UPS Ground, UPS Next Day Air
• carrier: UPS
• transit: 5-10 Days

seller hydraulicylind:

• # reviews: 25828
• city: Mount Sterling, Kentucky
• rating: 99.8%

returns hydraulicylind:

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

offer hydraulicylind:

• quantity: 1
• sold: 0
• started: May 23, 2026
• options: Ship-to-home
• best offers: True
• availability: In Stock

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