CKD SSD-KL-50-140-N Pneumatic Cylinder 5614

( Brand: Ckd ), ( Manufacturer Part Number: SSD-KL-50-140-N ), ( Part Type: Pneumatic Cylinder )

Review CKD Pneumatic Cylinder

The **CKD SSD-KL-50-140-N** is a high-performance, single-acting pneumatic cylinder designed for industrial applications requiring precision, reliability, and durability. This robust cylinder belongs to the **SSD-KL series**, a line of compact yet powerful pneumatic actuators engineered for demanding environments where space efficiency and consistent performance are critical. With a **50mm bore diameter**, the SSD-KL-50-140-N delivers a maximum force of **1,400 N (140 kgf)** at a standard operating pressure of **6 bar (87 psi)**, making it ideal for applications such as clamping, pressing, positioning, and light material handling. Its **140mm stroke length** ensures ample travel for most industrial tasks while maintaining a compact footprint, allowing for seamless integration into tight machinery layouts.

Constructed from **high-quality steel**, the cylinder features a **hardened and ground rod** for extended wear resistance, ensuring longevity even under frequent cycling or heavy loads. The **sealed piston rod** is protected by a durable **rubber or polyurethane dust cover**, preventing contamination from debris while maintaining smooth operation. The cylinder s **standard ISO 15552 (ISO 6432) mounting flanges** provide versatility, allowing for easy installation in various orientations, including side, end, or custom configurations, depending on the application requirements. The **single-acting design** means it relies on external springs or gravity for return motion, simplifying system design and reducing component count.

For enhanced functionality, the SSD-KL-50-140-N is equipped with **standard magnetic piston detection**, enabling precise position feedback without additional sensors, which streamlines control system integration. The cylinder s **low-friction piston and rod guides** minimize energy consumption and reduce wear, contributing to quieter operation and longer service life. Additionally, the **pneumatic connections** follow industry-standard **M10 x 1.5 thread sizes**, ensuring compatibility with most pneumatic systems. Whether used in automation, packaging, material processing, or assembly lines, this cylinder offers a perfect balance of **compactness, strength, and efficiency**, making it a dependable choice for engineers seeking a reliable pneumatic actuator.

### **Overview of the CKD SSD-KL-50-140-N Pneumatic Cylinder (5614 Series)**

The **SSD-KL-50-140-N** is a standard single-acting pneumatic cylinder from the **5614 series** manufactured by **SSD (Standard Sanitary Design)**. It is commonly used in industrial applications, including food processing, packaging, and general automation. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the SSD-KL-50-140-N Pneumatic Cylinder**

1. **Standardized Design (SSD Compliance)**

- Follows the **Standard Sanitary Design (SSD) standards**, making it compatible with most food-grade and hygienic applications.

- Easier to integrate into existing systems that already use SSD components.

- Simplifies maintenance and replacement due to widespread availability of compatible parts.

2. **Reliability and Durability**

- Built for **high-cycle applications**, suitable for continuous operation in demanding environments.

- High-quality materials (typically stainless steel) resist corrosion, making it ideal for washdown environments.

- Sealed internal components reduce wear and extend operational life.

3. **Single-Acting Operation with Spring Return**

- Simpler and more cost-effective than double-acting cylinders for applications where only one direction requires power.

- The spring return eliminates the need for an external return line, reducing complexity in plumbing.

4. **Modular and Customizable Mounting Options**

- Available in various **mounting styles** (clevis, trunnion, rod end, etc.), allowing flexibility in application design.

- Can be easily retrofitted into existing machinery with minimal modifications.

5. **Energy Efficiency**

- Single-acting cylinders consume less air compared to double-acting cylinders when only one direction is actively powered.

- Lower operational costs due to reduced air consumption.

6. **Wide Availability of Accessories**

- Compatible with a range of **SSD-standard accessories**, including cushions, seals, and mounting brackets.

- Easy to find replacement parts from multiple suppliers.

7. **Good Stroke Length (140mm)**

- The **140mm stroke** provides sufficient travel for many standard industrial applications without being overly large.

8. **Low Maintenance Requirements**

- Fewer moving parts compared to some specialized cylinders, reducing the likelihood of mechanical failure.

- Sealed internal components minimize the need for frequent lubrication or adjustments.

---

### **Cons of the SSD-KL-50-140-N Pneumatic Cylinder**

1. **Limited Force Output for Larger Applications**

- With a **50mm bore**, the maximum force generated is relatively modest ( 2,500 N at 6 bar).

- May require multiple cylinders or larger models for heavy-duty applications (e.g., high-force pressing, heavy lifting).

2. **Spring Return Limitations**

- The spring return can introduce **backlash or inconsistent positioning** in precision applications.

- Not ideal for applications requiring **exact repeatability** or high-speed cycling where spring fatigue could be an issue.

3. **Potential for Leakage Over Time**

- Like all pneumatic cylinders, **seals degrade** with prolonged use, leading to air leaks.

- Requires periodic inspection and maintenance to prevent efficiency loss.

4. **Higher Initial Cost Compared to Non-SSD Cylinders**

- SSD-compliant cylinders are generally more expensive than standard industrial cylinders due to material and certification standards.

- May not be cost-effective for non-food or non-hygienic applications where SSD is unnecessary.

5. **Size and Weight Constraints**

- The **50mm bore and 140mm stroke** may be too small for applications requiring longer strokes or larger forces.

- Bulkier than some compact alternatives if space is a critical constraint.

6. **Dependence on External Air Supply**

- Performance is directly tied to **air pressure and quality**; poor filtration or inconsistent pressure can affect reliability.

- Requires a **compressor and air treatment system**, adding to overall system costs.

7. **Limited Customization Beyond Standard Options**

- While SSD offers modularity, significant deviations from standard specifications (e.g., non-standard strokes, materials) may require custom orders, increasing lead times and costs.

8. **Potential for Noise in High-Speed Applications**

- Rapid extension/retraction can generate **air exhaust noise**, which may be an issue in noise-sensitive environments.

---

### **Conclusion**

The **SSD-KL-50-140-N** pneumatic cylinder is an excellent choice for **food processing, packaging, and other hygienic industrial applications** where **SSD compliance, reliability, and ease of maintenance** are priorities. Its **single-acting design, standardized mounting, and corrosion-resistant construction** make it well-suited for environments requiring frequent cleaning and high operational uptime.

- **High-force output** (consider larger bore sizes or multiple cylinders).

- **Precision positioning** (double-acting cylinders or servo-driven alternatives may be better).

- **Extreme space constraints** (smaller cylinders or linear actuators could be more appropriate).

- **Non-food applications** where SSD certification is unnecessary (standard cylinders may suffice).

If the application aligns with its strengths **hybrid environments, moderate force requirements, and SSD compatibility** this cylinder offers a **reliable, low-maintenance solution**. For other use cases, evaluating alternatives (e.g., double-acting cylinders, electric actuators) may yield better results.

---

### **Recommendation**

You need a **food-grade, hygienic cylinder** for applications like packaging, filling, or processing.

Your system already uses **SSD-compatible components**, ensuring seamless integration.

You require a **single-acting, spring-return cylinder** for cost and simplicity.

The **50mm bore and 140mm stroke** meet your force and travel requirements.

You prioritize **durability and ease of maintenance** in a washdown environment.

You need **higher force output** (e.g., 70mm bore or double-acting cylinders).

Precision positioning is critical (e.g., CNC-like accuracy).

Space is extremely limited (smaller cylinders or linear guides may work better).

The application is **non-food**, and SSD compliance is not required (standard cylinders may be cheaper).

For most **standard industrial food processing applications**, this cylinder is a **solid, cost-effective choice** with minimal long-term issues. Always verify **air supply compatibility, mounting requirements, and load calculations** before finalizing the purchase.

Details:

Variation: Double acting, single rod. Most items are in stock when they listed. 2-Year MRO Shield Protection Plan Included. CKD SSD-KL-50-140-N Pneumatic Cylinder Pneumatic Size: 50mm.

Type: Pneumatic Cylinder. CKD SSD-KL-50-140-N Pneumatic Cylinder Manufactured by. The product must be the original item shipped, with matching serial numbers if applicable. Special Instructions.

Manufacturer Part Number: SSD-KL-50-140-N. Used - Has clevis and two auto switches attached. Option: Rod end male thread.

part #: ssdkl50140 price

• $11.28

specifications hydraulicylind:

• brand: Ckd
• mpn: Ssd-kl-50-140-n
• part type: Pneumatic Cylinder

returns hydraulicylind:

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

seller hydraulicylind:

• # reviews: 25493
• city: Mount Sterling, Kentucky
• rating: 99.8%

payments hydraulicylind:

• other
• credit card: Visa
• wallet: Paypal

general hydraulicylind:

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

shipping hydraulicylind:

• type: Calculated
• carrier: USPS, UPS
• cost: $21.05
• service: USPS Ground Advantage, USPS Priority Mail, UPS Ground, UPS Next Day Air
• transit: 6-11 Days
• class: Standard, Expedited, One-day

offer hydraulicylind:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: May 15, 2026
• best offers: True

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