SMC CDM2B40-200 Pneumatic Air Cylinder 40MM 200MM

( Brand: Smc ), ( Manufacturer Part Number: CDM2B40-200 ), ( Country Of Origin: Japan ), ( Stroke Length: 200 Mm ), ( Type: Pneumatic Cylinder ), ( Sub-type: Round Body Cylinder ), ( Bore Size: 40 Mm ), ( Action: Double Acting ), ( Body Style: Round Body ), ( Material: Stainless Steel ), ( Series: Cm2 )

Review SMC Pneumatic Stainless Air Cylinder 40mm Bore 200mm Stroke

The **SMC CDM2B40-200** is a high-performance, single-acting pneumatic air cylinder designed for precision applications requiring reliable, consistent motion in industrial and automation environments. Part of SMC s renowned **CDM2B series**, this compact yet robust cylinder features a **40mm bore diameter** and a **200mm stroke length**, delivering a balanced combination of force and travel for efficient operation in machinery, packaging, clamping, and material handling systems. Engineered with SMC s signature **high-quality stainless steel construction**, the cylinder ensures durability and resistance to corrosion, making it ideal for cleanroom environments, food processing, and other applications where hygiene and longevity are critical. Its **single-acting design** leverages compressed air for extension while relying on an internal spring return for retraction, simplifying system integration by eliminating the need for an external spring or dual-port control. The cylinder s **sealed rod end** prevents contamination from entering the cylinder, while its **standard ISO mounting** (with optional flanged or clevis end mounts) ensures seamless compatibility with existing automation frameworks. With a **quick-exhaust valve** for rapid retraction and a **low-friction piston rod** coated in wear-resistant material, the CDM2B40-200 minimizes energy consumption and extends operational lifespan, reducing maintenance downtime. Its **compact footprint** and **lightweight yet sturdy build** make it suitable for applications where space is limited, such as in robotic arms, conveyor systems, or automated assembly lines. Backed by SMC s reputation for precision engineering, this cylinder delivers **consistent, repeatable performance** with minimal air consumption, making it a cost-effective solution for demanding industrial applications. Whether used in manufacturing, logistics, or specialized automation, the **SMC CDM2B40-200** exemplifies reliability, efficiency, and adaptability in pneumatic actuation.

### **Pros and Cons of buying a SMC CDM2B40-200 Pneumatic Air Cylinder (40mm Bore, 200mm Stroke)**

1. **Reliability and Durability** SMC is a well-established manufacturer known for producing high-quality pneumatic components. This cylinder is designed for industrial use, ensuring long-term performance with proper maintenance.

2. **Standardized Design** The CDM2B series follows SMC s modular design, making it easy to integrate with other SMC components (valves, fittings, etc.) without compatibility issues.

3. **Precision Engineering** The 40mm bore provides a balanced force output (typically around 200 250 kgf at 6 bar), suitable for moderate to heavy-duty applications like assembly lines, packaging, or clamping.

4. **Compact and Lightweight** At 200mm stroke, it is relatively compact for its force capacity, making it ideal for space-constrained applications.

5. **Low Maintenance** Pneumatic cylinders generally require minimal upkeep compared to hydraulic systems, with only occasional lubrication and seal checks needed.

6. **Energy Efficiency** Air-powered systems are energy-efficient when compared to electric actuators, especially in applications requiring high force or rapid cycling.

7. **Quick Exhaust Option** The "B" variant in the model number indicates it has a quick exhaust port, reducing cycle time by allowing faster retraction.

8. **Global Availability** SMC has a widespread distribution network, ensuring easy access to spare parts and technical support.

9. **Compatibility with Standard Air Supply** Works with typical compressed air systems (5 10 bar), requiring no specialized infrastructure.

10. **Cost-Effective for High-Volume Use** While the upfront cost may be moderate, its durability and efficiency can reduce long-term operational expenses.

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1. **Higher Initial Cost Compared to Generic Brands** SMC cylinders are premium-priced, which may be a drawback for budget-sensitive projects unless reliability is a priority.

2. **Dependence on Compressed Air Supply** Requires a stable air source, which may not be available in all environments (e.g., remote or off-grid locations).

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

4. **Limited Customization** Unlike some hydraulic cylinders, pneumatic cylinders have fewer options for stroke length, force adjustments, or mounting configurations.

5. **Potential for Air Leaks** Seals and fittings can wear over time, leading to air leaks that may reduce efficiency or require maintenance.

6. **Sensitivity to Contaminants** Compressed air must be filtered and dried to prevent moisture or debris from damaging the cylinder internals.

7. **Lower Precision Than Electric Actuators** While adequate for many industrial tasks, pneumatic cylinders may lack the fine control offered by servo-driven electric actuators.

8. **Energy Loss in Compression** Compressed air systems inherently lose some energy during expansion, which can reduce overall efficiency compared to direct-drive systems.

9. **Limited Stroke Adjustability** Unlike hydraulic cylinders, pneumatic cylinders typically have a fixed stroke length; extending or reducing it may require purchasing a different model.

10. **Environmental Considerations** Compressed air systems contribute to greenhouse gas emissions (if powered by non-renewable energy sources), though this is less of an issue than with electric motors in some cases.

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The **SMC CDM2B40-200 pneumatic cylinder** is an excellent choice for applications requiring **reliable, moderate to heavy-duty linear motion** with **minimal maintenance**. Its **modular design, precision engineering, and compatibility with SMC s ecosystem** make it a strong option for industrial automation, packaging, or assembly tasks. However, if **cost sensitivity, noise concerns, or the need for ultra-precise control** are critical, alternative solutions such as electric linear actuators or hydraulic cylinders may be worth considering.

For most **general-purpose industrial applications**, this cylinder delivers **superior performance and longevity** compared to lower-cost alternatives, justifying its higher upfront cost over time.

- You need a **durable, high-performance pneumatic cylinder** for industrial automation.

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

- You prioritize **reliability, force consistency, and low maintenance**.

- Your application involves **moderate to heavy-duty tasks** (e.g., clamping, pressing, or material handling).

- **Budget constraints** are severe, and a lower-cost generic cylinder meets your needs.

- **Noise reduction** is critical, and you can implement additional soundproofing.

- **Ultra-precise positioning** is required, making an electric actuator more suitable.

- **Off-grid or portable applications** lack a reliable compressed air source.

**Final Verdict:** For most industrial users, the **SMC CDM2B40-200 is a well-engineered, high-quality cylinder** that offers a strong balance of performance, reliability, and ease of integration. Ensure your compressed air system is properly filtered and maintained to maximize its lifespan.

Details:

The travel is very smooth over the full range without issues. SMC CDM2B40-200 All Photos 6 images thumbnail to view Here is an stainless air cylinder. Technical Specifications, make Smc, model cdm2b40-2 stroke200mm, bore40mm. Item condition: Used Shipping Primary Shipping:Free USPS Ground Advantage.

LOCATION: ; C 1506 BIN: C-1506-E 15-2ListC. This has a 40mm bore and 200mm stroke. Its in excellent functional shape. The body has a few light scratches, but the piston is clean without damage.

part #: cdm2b40200 prices

• $91.99-$335.25

specifications hydraulicylind:

• brand: Smc
• mpn: Cdm2b40-200
• country of origin: Japan
• stroke length: 200 Mm
• type: Pneumatic Cylinder
• sub-type: Round Body Cylinder
• bore size: 40 Mm
• action: Double Acting
• body style: Round Body
• material: Stainless Steel
• series: Cm2

payments hydraulicylind:

• credit card: Visa
• wallet: Paypal
• other

returns hydraulicylind:

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

shipping hydraulicylind:

• cost: $0.00
• type: Calculated
• service: USPS Ground Advantage, UPS Ground, UPS Next Day Air
• transit: 4-7 Days
• class: Standard, One-day
• carrier: USPS, UPS

general hydraulicylind:

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

offer hydraulicylind:

• availability: In Stock
• started: June 11, 2026
• quantity: 1
• best offers: True
• sold: 0
• options: Ship-to-home

seller hydraulicylind:

• city: Laporte, Colorado
• # reviews: 21843
• rating: 100.0%

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