SMC CD85KY20-50-A-XC6B Pneumatic Cylinder C85 T268245

( Brand: Smc ), ( Manufacturer Part Number: CD85KY20-50-A-XC6B ), ( Part Type: Pneumatic Cylinder )

Review SMC Lot Of C85 Series Pneumatic Cylinder

The **SMC CD85KY20-50-A-XC6B (T268245)** is a high-performance, double-acting pneumatic cylinder designed for demanding industrial applications where precision, reliability, and durability are paramount. Part of SMC s robust **CD series**, this cylinder is engineered to deliver consistent and powerful linear motion with minimal maintenance, making it an ideal choice for automation, material handling, and manufacturing processes. The **CD85KY20-50-A** model features a **20 mm bore diameter**, providing a stroke length of **500 mm**, which offers a balanced compromise between compact form factor and substantial force output ideal for applications requiring moderate to heavy-duty performance without excessive space requirements. The **KY20** designation indicates a **standard rod diameter of 20 mm**, ensuring compatibility with a wide range of accessories, including rod seals, wipers, and protective guards, while the **A** suffix denotes a **standard mounting style with a 100 mm flange**, allowing for versatile integration into existing machinery or custom setups.

This cylinder is equipped with **SMC s XC6B rod seal**, a high-performance elastomeric seal designed to withstand abrasive environments, extreme temperatures, and repeated cycling without premature wear. The **XC6B** seal system enhances the cylinder s longevity by reducing friction and preventing contamination ingress, which is critical in industries such as food processing, pharmaceuticals, and automotive assembly where hygiene and precision are non-negotiable. The **CD series** itself is renowned for its **rigid, high-strength aluminum housing**, which resists bending and deformation under load, ensuring consistent stroke accuracy and minimal play essential for applications requiring repeatable positioning, such as robotic arm extensions or clamping mechanisms. Additionally, the cylinder s **double-acting design** allows for controlled extension and retraction, enabling bidirectional force application with precise speed regulation via SMC s compatible proportional valves, further enhancing its versatility in automated systems.

For enhanced protection and operational efficiency, this cylinder can be paired with optional accessories such as **rod wipers, dust covers, or cushioning units**, all of which are designed to extend the life of the rod and reduce noise and wear during operation. The **T268245** model number also suggests compatibility with SMC s advanced **electronic control systems**, including **position sensors and feedback modules**, which enable real-time monitoring and integration into PLC-based automation setups. Whether deployed in a high-speed packaging line, a CNC machining center, or a material sorting system, the **CD85KY20-50-A-XC6B** delivers a harmonious blend of **force, precision, and reliability**, making it a dependable workhorse for industries where pneumatic actuation is the backbone of productivity. Its compact yet sturdy construction, combined with SMC s reputation for innovation and quality, ensures that this cylinder will perform consistently under the most rigorous conditions, reducing downtime and maximizing operational uptime.

### **Pros and Cons of buying a SMC CD85KY20-50-A-XC6B (C85) Pneumatic Cylinder (T268245)**

#### **Pros**

1. **High Performance and Reliability** The SMC CD85 series is known for its robust construction, ensuring long-term durability and consistent performance in industrial applications. SMC is a well-established brand with a reputation for quality pneumatic components.

2. **Standardized Design** This cylinder follows SMC s modular design principles, making it easy to integrate with other SMC components (valves, fittings, etc.) without compatibility issues. The C85 model is part of a widely used series, meaning spare parts and technical support are readily available.

3. **Precision Engineering** The cylinder features a **20 mm rod diameter** and a **50 mm stroke**, offering a good balance of force and travel length for applications requiring moderate to heavy-duty movement. The **XC6B** variant includes a **sealed rod end** and **double-acting operation**, which enhances efficiency and reduces wear.

4. **Compatibility with SMC s Valve Systems** Since it is part of SMC s product line, it works seamlessly with their **proportional valves, directional valves, and lubricators**, simplifying system design and maintenance.

5. **Good Maintenance Accessibility** SMC cylinders are designed for easy disassembly and servicing, allowing for quick repairs or replacements of seals, bearings, or other wear-prone components.

6. **Wide Industrial Application Range** Suitable for **packaging, material handling, automation, and light manufacturing** where a **50 mm stroke and 85 mm bore** provide adequate force (approximately **1,360 N at 6 bar**).

7. **Energy Efficiency** Double-acting cylinders like this one allow for controlled extension and retraction, reducing energy waste compared to single-acting designs.

8. **Global Availability** SMC has a strong international distribution network, meaning parts and service are accessible in most industrial markets.

---

#### **Cons**

1. **Higher Upfront Cost** Compared to generic or lesser-known brands, SMC cylinders are premium-priced. While this is justified by quality, it may be a barrier for budget-conscious buyers.

2. **Limited Customization** Unlike some specialized manufacturers, SMC s standard cylinders (including this model) offer limited customization in terms of **stroke length, mounting options, or rod materials**. If non-standard requirements exist, additional costs or modifications may be necessary.

3. **Potential Overkill for Light-Duty Tasks** If the application only requires **minimal force or short strokes**, a smaller cylinder (e.g., C50 or C63 series) might suffice, reducing costs without sacrificing performance.

4. **Dependence on SMC Ecosystem** While compatibility with SMC valves is an advantage, mixing SMC components with non-SMC parts (e.g., third-party fittings or lubricators) could lead to **leakage or performance issues** due to differing standards.

5. **Maintenance Requirements** Like all pneumatic cylinders, this model requires **regular lubrication and seal checks** to prevent wear. Neglecting maintenance can lead to **reduced efficiency or premature failure**.

6. **Weight and Space Considerations** The **85 mm bore and 20 mm rod** make this cylinder relatively heavy and bulky compared to smaller alternatives. In space-constrained applications, this may require additional structural support.

7. **Potential for Over-Pressurization Risks** If the system operates at **pressures higher than recommended (typically up to 10 bar for this model)**, there is a risk of **rod bending, seal failure, or cylinder damage**. Proper pressure regulation is essential.

8. **Lead Times for Replacement Parts** While SMC parts are widely available, in some regions, **longer lead times for specialized seals or components** may cause downtime if not stocked.

---

### **Conclusion**

The **SMC CD85KY20-50-A-XC6B (C85) pneumatic cylinder** is a **reliable, high-performance choice** for industrial applications requiring **moderate to heavy-duty linear motion**. Its **seamless integration with SMC s valve systems, durability, and precision engineering** make it a strong option for automation, packaging, and material handling. However, its **higher cost, limited customization, and maintenance needs** may not justify its purchase for **light-duty or highly specialized applications**.

If **budget is a concern** and the application does not require the full specifications of this cylinder, considering a **smaller SMC model (e.g., C50 or C63 series)** or a **reputable alternative brand** (such as Festo or Bosch Rexroth) could be a cost-effective alternative without sacrificing quality.

---

### **Recommendation**

- You are already using **SMC components** in your system and need a **reliable, standardized solution**.

- Your application requires **50 mm stroke and 1,360 N of force** at standard operating pressures.

- **Long-term reliability and ease of maintenance** are priorities.

- You can justify the **premium cost** based on reduced downtime and compatibility benefits.

- The application is **light-duty**, and a **smaller cylinder (e.g., C50 or C63)** would suffice.

- You need **custom stroke lengths, special mounting, or non-standard materials**, which may require additional modifications.

- **Cost is a major factor**, and a **budget-friendly but still high-quality brand** (e.g., Festo, Parker, or a trusted local manufacturer) offers comparable performance.

- Your system **mixes SMC and non-SMC components**, and you are concerned about compatibility issues.

For most **industrial automation, packaging, or material handling applications** where **SMC integration is desired**, this cylinder is an **excellent choice**. However, a **detailed cost-benefit analysis** against alternatives should be conducted to ensure it meets the specific requirements without unnecessary expense.

Details:

Extra Information:: The SMC CD85KY20-50-A-XC6B is a 20mm bore, 50mm stroke ISO 6432 round body pneumatic cylinder from the C85 series. We proudly sell hard-to-find parts, components, and machines to makers manufacturers. This unit features a built-in magnet, rubber bumpers, and stainless-steel rod. It is double-acting, non-rotating, and designed with abrasion-resistant seals suitable for extremely dusty environments.

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part #: cd85ky2050axc6b price

• $47.00

specifications hydraulicylind:

• brand: Smc
• mpn: Cd85ky20-50-a-xc6b
• part type: Pneumatic Cylinder

general hydraulicylind:

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

seller hydraulicylind:

• rating: 99.7%
• # reviews: 21635
• city: El Paso, Texas

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• paid by: Seller
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• availability: In Stock
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• started: March 25, 2026
• sold: 0
• quantity: 1
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• type: Calculated

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