SMC MY3M25TN-400 Pneumatic Mechanically Jointed Rodless Cylinder

( Brand: Smc ), ( Manufacturer Part Number: MY3M25TN-400 ), ( Type: Straight Square Rail With Slide/carriage ), ( Country Of Origin: Japan )

Review SMC My3m Pneumatic Mechanically Jointed Rodless Cylinder

The **SMC MY3M25TN-400 MY3M Pneumatic Mechanically Jointed Rodless Cylinder** is a high-performance, precision-engineered pneumatic actuator designed to deliver exceptional reliability, efficiency, and versatility in demanding industrial applications. Part of SMC s advanced MY3M series, this rodless cylinder features a **mechanically jointed design**, eliminating the need for traditional piston rods while maintaining robust structural integrity and smooth operation. The **25mm bore diameter** provides a balanced power-to-size ratio, ensuring optimal force output for tasks ranging from light-duty material handling to medium-heavy automation processes. With a **400mm stroke length**, this cylinder offers ample travel distance for applications requiring precise positioning, repetitive motion, or continuous linear movement, such as in packaging machinery, assembly lines, or robotic systems.

What sets this cylinder apart is its **mechanically jointed construction**, which replaces conventional rod seals with a durable, low-friction joint mechanism. This innovative design eliminates common issues associated with rodless cylinders, such as rod wear, seal failure, and maintenance-related downtime, while still providing the same level of force and precision as traditional rod-type cylinders. The **MY3M series** incorporates SMC s proprietary **Dual Seal Technology**, which enhances seal longevity and reduces energy loss, contributing to improved efficiency and lower operating costs over time. Additionally, the cylinder s **compact yet sturdy housing** is crafted from high-grade aluminum alloy, offering a lightweight yet rigid structure that minimizes vibration and maximizes durability in harsh environments.

The **MY3M25TN-400** is equipped with **SMC s advanced magnetic position feedback system**, allowing for real-time monitoring and precise control of the cylinder s position, speed, and force. This feature is particularly valuable in automated systems where accuracy and repeatability are critical, enabling seamless integration with PLCs, CNC controls, or other industrial automation platforms. The cylinder s **standardized mounting flanges** and **quick-connect fittings** simplify installation and alignment, reducing setup time and ensuring compatibility with a wide range of frame designs and mounting configurations. Whether used in **pick-and-place operations, clamping systems, or linear indexing applications**, this cylinder delivers consistent performance under high-cycle conditions, withstanding millions of actuations without compromising reliability.

For applications requiring enhanced protection against contaminants, the **MY3M series** is available with optional **IP65-rated sealing**, making it suitable for environments exposed to dust, moisture, or light corrosion. The cylinder s **low-friction mechanical joint** also reduces the risk of rod damage from external impacts or abrasive materials, further extending its operational lifespan. SMC s reputation for **precision engineering and quality assurance** ensures that every MY3M25TN-400 cylinder undergoes rigorous testing to meet or exceed industry standards for performance, safety, and durability. Whether deployed in **food processing, automotive manufacturing, or material handling**, this pneumatic actuator represents a smart investment for industries seeking **high-speed, low-maintenance, and ultra-reliable linear motion solutions**.

### **Pros and Cons of buying a SMC MY3M25TN-400 (Mechanically Jointed Rodless Cylinder)**

1. **High Load Capacity** The MY3M series is designed for heavy-duty applications, with a bore size of 25 mm and a maximum force of 2,500 N (at 6 bar), making it suitable for industrial tasks requiring significant force.

2. **Mechanically Jointed Design** Unlike standard rodless cylinders, this model uses a mechanically jointed system, which allows for smoother and more precise movement without the need for a guide rod. This reduces friction and wear, improving efficiency and longevity.

3. **Compact and Space-Efficient** Rodless cylinders eliminate the need for a piston rod, allowing for more compact machine designs and easier integration into tight spaces.

4. **High Speed and Precision** The MY3M series is optimized for fast, accurate linear motion, making it ideal for automated systems, conveyor belts, and pick-and-place applications.

5. **Durability and Reliability** SMC is a well-known brand in pneumatic automation, known for producing high-quality, long-lasting components. The MY3M25TN-400 is built with robust materials and precise engineering for extended operational life.

6. **Easy Maintenance** The absence of a piston rod reduces potential points of failure, and the mechanically jointed design simplifies servicing compared to traditional rodless cylinders with magnetic or roller systems.

7. **Compatibility with SMC s Ecosystem** If you already use SMC components, this cylinder integrates seamlessly with their control systems, valves, and other pneumatic elements, reducing compatibility issues.

8. **Versatile Mounting Options** The cylinder can be mounted in various orientations (horizontal, vertical, or angled) depending on application requirements, offering flexibility in system design.

9. **Energy Efficiency** Pneumatic systems are generally energy-efficient compared to hydraulic alternatives, and SMC s cylinders are optimized for minimal air consumption.

10. **Quick Delivery and Support** SMC has a global distribution network, ensuring availability of spare parts and technical support, which is crucial for minimizing downtime.

---

1. **Higher Initial Cost** Compared to standard pneumatic cylinders, rodless cylinders especially high-performance models like the MY3M are more expensive upfront. The mechanically jointed design adds to the cost.

2. **Limited Stroke Length Options** The MY3M25TN-400 has a standard stroke of 400 mm. If your application requires a longer stroke, you may need to consider a different model or custom modifications, which could increase costs.

3. **Specialized Installation Requirements** Rodless cylinders often require precise alignment and mounting to ensure smooth operation. Improper installation can lead to misalignment, increased wear, or premature failure.

4. **Potential for Higher Maintenance Costs in Some Cases** While the mechanically jointed design reduces friction, the absence of a guide rod means that the system relies on the cylinder s internal components (e.g., seals, bearings) for stability. If not properly maintained, these can wear out over time, requiring replacement.

5. **Noise and Vibration** Pneumatic cylinders can generate noise and vibration, especially at high speeds. The MY3M25TN-400 may produce more noise than hydraulic or electric alternatives, which could be a concern in noise-sensitive environments.

6. **Dependence on Air Supply Quality** Pneumatic systems are sensitive to air quality. Poor filtration or lubrication in the compressed air can lead to premature wear of the cylinder s internal components, reducing its lifespan.

7. **Limited Customization for Non-Standard Applications** While the MY3M series is versatile, highly specialized applications (e.g., extreme temperatures, corrosive environments, or very high precision requirements) may require additional modifications or alternative solutions.

8. **Potential for Higher Energy Consumption at Startup** Pneumatic cylinders require a burst of air to initiate movement, which can temporarily increase energy consumption during operation cycles.

9. **Training Requirements** Proper operation and maintenance of pneumatic systems require specialized knowledge. If your team lacks experience with SMC or rodless cylinders, training may be necessary to avoid operational errors.

10. **Potential for Higher Wear in Dirty Environments** If the application involves dust, debris, or contaminants, the mechanically jointed system may be more susceptible to damage unless additional protective measures (e.g., seals, guards) are implemented.

---

The **SMC MY3M25TN-400 mechanically jointed rodless cylinder** is a high-performance, durable, and efficient solution for industrial applications requiring precise linear motion, high force, and compact design. Its mechanically jointed system reduces friction and wear compared to traditional rodless cylinders, while its compatibility with SMC s ecosystem makes it a reliable choice for automated systems. However, the higher upfront cost, specialized installation requirements, and potential maintenance needs must be carefully considered.

- Automated material handling (e.g., conveyor systems, palletizing).

- Pick-and-place applications in manufacturing.

- Heavy-duty assembly lines where space is limited.

- Applications requiring high speed and repeatability.

If your application demands **high force, precision, and space efficiency** and you can justify the initial investment, the MY3M25TN-400 is an excellent choice. However, if budget constraints or non-standard requirements (e.g., extreme strokes, harsh environments) are a concern, you may need to evaluate alternative solutions, such as standard rodless cylinders, hydraulic cylinders, or electric linear actuators.

---

- Your application requires **high force (up to 2,500 N) and precise linear motion** in a compact space.

- You are already using **SMC components**, ensuring seamless integration.

- Your team has experience with **pneumatic systems** or is willing to invest in training.

- The **initial cost is justified** by long-term reliability and reduced maintenance needs.

- The **stroke length (400 mm) meets your requirements**, or you can accommodate a custom solution if needed.

- Your budget is tight, and a **lower-cost standard rodless cylinder** (e.g., SMC s MY series without mechanical jointing) would suffice.

- Your application requires **extreme stroke lengths** or **non-standard mounting**, which may necessitate a different model.

- The environment is **extremely dirty or corrosive**, and additional protective measures would be required.

- **Noise or vibration sensitivity** is a critical factor, and you may need to explore quieter alternatives (e.g., electric linear actuators).

For most **industrial automation applications** where **force, precision, and space efficiency** are priorities, the MY3M25TN-400 is a **strong recommendation**. Ensure proper installation, maintenance, and air quality management to maximize its lifespan and performance.

Details:

MENU Store Pages. Please for pricing. Guaranteed to be in good working order. The uniquely designed piston shape enables reduction of the height and length as well practical arrangement common piping passages, cushion mechanism positioning.

Sparks, NV 89441. This fee will vary depending on the size of item. Please with any questions. The use of this packaging is included in most higher end and heavier / fragile items.

Mechanically jointed rodless cylinder series MY3 provides high functionality with reduced height and length . This has achieved drastic miniaturization and weight reduction. Please for next day shipping options. This will aide in providing a more accurate quote.

Depending on the size of item there may be a pelleting/crating fee. Recently removed from larger automation cell that saw little to no use before being parted out.

part #: my3m25tn400 prices

• $254.99-$850.00

specifications linactuat:

• brand: Smc
• mpn: My3m25tn-400
• type: Straight Square Rail With Slide/carriage
• country of origin: Japan

payments linactuat:

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

shipping linactuat:

• carrier: FedEx
• class: Standard, One-day
• service: FedEx Ground / FedEx Home Delivery, FedEx Standard Overnight
• type: Calculated
• transit: 3-9 Days
• cost: $31.97

returns linactuat:

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

general linactuat:

• condition: Used
• Industrial Automation Motion Controls > Rotary Linear Motion > Slides, Rails Carriages

seller linactuat:

• rating: 100.0%
• # reviews: 11394
• city: Sparks, Nevada

offer linactuat:

• availability: In Stock
• options: Ship-to-home
• started: March 31, 2026
• quantity: 4
• sold: 0
• best offers: True

Smc MY3M25TN-400 Is Similar To:

• Ac-x1-80-9f Smc Flange Acnl Cylinder Fnip (32.7% similar) The item may be missing original packaging. Join our subscribe to news letter for exclusive discounts and special offers. Special instructions. Smc AC-X1-80-9F flange, acne tie-rod cylinder nip manufactured by manufacturer part number: a new, unused item with no signs of wear...(February 26th, 2019)
• C85n25-80c Smc Cylinder New No Box (23.3% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(October 14th, 2018)
• Cda2g40-200 Smc Pneumatic Cylinder New No Box (43.9% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(September 17th, 2018)
• Cdbq2b32-50dc Smc Compact Cylinder Sensor (27.3% similar) Smc CDBQ2B32-50DC compact cylinder w JA20 D-A93 sensor new condition. We determine the best method of shipping based upon item and location. From custom late model equipment never put in production...(October 23rd, 2018)
• Cdg1dn50-125-h7bw Smc Cylinder New No Box (21.8% similar) If another carrier such as DHL or ups is required to ship due certain shipping requirements, then the costs and requested may change...(February 11th, 2019)
• Cdg1ln40-200-g59wl Smc Pneumatic Cylinder Actuator New No Box (33.8% similar) Heres the specs: model: CDG1LN40-200-G59WLMAX press: 150PSI9. I have 3 available and if purchasing more than one will combine shipping. These are in nice unused condition with only light shelf wear. Is per unit. The pictures show all 3 units. Location: H2...(October 28th, 2018)
• Cdg1ra25-100 Smc New Pneumatics Bore Air Cylinder (40.7% similar) Warranty this item is guaranteed to be as described. Shipping buyer pays for all costs. Home contact about technology industrial lab test electrical semiconductor new Smc pneumatic CDG1RA25-100 double-acting single-rod 25MM bore air cylinder manufacturer: model: condition: other price. Comes in non-...(October 17th, 2018)
• Cdj2l10-15-m9b Smc Cylinder Used (23.8% similar) If another carrier such as DHL or ups is required to ship due certain shipping requirements, then the costs and requested may change...(December 29th, 2018)
• Cdlm2b20-10-d-g59w Smc Pneumatic Cylinder Actuator New (35.8% similar) The item available here is a new Smc pneumatic cylinder w sensor. I have 4 available, is per unit. If purchasing more than one I will combine shipping...(October 1st, 2018)
• Cdlm2b20-10-d-g59wls Smc Lot Of Pneumatic Cylinder Actuator New Old Stock (35.2% similar) They are in nice unused condition with only minimal shelf wear. The item available here is a lot of 2 Smc pneumatic cylinders...(March 10th, 2019)
• Cdlm2l20-100-e Smc Linear Actuator Cylinder (32.1% similar) ...(September 22nd, 2017)