SMC CDRB1BW30-90S Vane Pneumatic Rotary Actuator T269245

( Brand: Smc ), ( Manufacturer Part Number: CDRB1BW30-90S ), ( Part Type: Pneumatic Actuator )

Review SMC Vane style Pneumatic Rotary Actuator

The **SMC CDR-B1BW30-90S Vane-Style Pneumatic Rotary Actuator (Part #T269245)** is a high-performance, precision-engineered pneumatic actuator designed to deliver reliable and efficient rotational motion in industrial automation applications. Part of SMC s renowned **CDR series**, this compact yet robust actuator features a **vane-style mechanism**, ensuring smooth and consistent 90-degree rotation with minimal friction and wear. Constructed from durable materials, including a **cast aluminum housing** and **stainless steel components** where necessary, the CDR-B1BW30-90S is built to withstand demanding environments, including exposure to dust, moisture, and temperature fluctuations within its operational range of **-10 C to 60 C**. Its **double-acting design** allows for precise bidirectional control, enabling the actuator to rotate in both clockwise and counterclockwise directions with equal force, making it ideal for applications requiring alternating motion, such as valve actuation, indexing tables, or automated positioning systems.

The actuator operates on compressed air, delivering **high torque output** (up to **30 Nm at 0.6 MPa**) while maintaining exceptional positional accuracy and repeatability, thanks to its **gear-driven vane mechanism**. This design eliminates the need for external springs, reducing complexity and improving reliability. The **standard mounting configuration** includes a **flanged base** for secure installation, along with a **screw-type shaft connection** that accommodates various coupling methods, including keyed or splined shafts for seamless integration with load-bearing equipment. Additionally, the actuator is equipped with **sealed bearings and a robust piston rod**, ensuring longevity and resistance to contamination, even in harsh industrial settings.

For enhanced safety and operational efficiency, the CDR-B1BW30-90S is compatible with SMC s **standard pneumatic fittings (M5 or M8)** and can be easily integrated into existing control systems via **3/8" NPT or metric connections**. Its **compact footprint** (with an overall length of approximately **120 mm**) makes it suitable for applications where space is limited, while its **lightweight yet sturdy construction** minimizes inertia, allowing for faster response times in dynamic systems. Whether used in **packaging machinery, material handling, or automated assembly lines**, this actuator provides a dependable solution for applications demanding **precise, repeatable, and high-torque rotational motion** with minimal maintenance requirements. With SMC s reputation for quality and innovation, the CDR-B1BW30-90S represents a versatile and cost-effective choice for engineers and operators seeking a reliable pneumatic actuator for their automation needs.

### **Pros and Cons of buying a SMC CDR-B1BW30-90S Vane-Style Pneumatic Rotary Actuator (T269245)**

#### **Pros**

1. **High Torque and Precision Control** The vane-style design provides smooth, accurate rotational movement, making it suitable for applications requiring precise positioning, such as industrial automation, robotics, or valve actuation.

2. **Compact and Space-Efficient** Compared to other rotary actuators, this model is relatively compact, allowing for installation in tight spaces where larger linear or rack-and-pinion actuators might not fit.

3. **Reliable and Durable Construction** SMC is a well-known brand in pneumatic automation, known for high-quality, long-lasting components. The sealed vane mechanism reduces wear and extends operational life, especially in clean environments.

4. **Versatile Mounting Options** The actuator can be mounted in multiple orientations (flange, foot, or shaft-mounted), offering flexibility in system integration.

5. **Good Repeatability and Consistency** Pneumatic actuators like this one are known for consistent performance over repeated cycles, which is critical in automated processes.

6. **Compatibility with SMC s Pneumatic Systems** If you already use SMC components (valves, cylinders, etc.), this actuator will integrate seamlessly with minimal compatibility issues.

7. **Moderate Cost-Effectiveness** While not the cheapest option, it offers a balance between performance and price, especially for mid-range industrial applications.

8. **Low Maintenance Requirements** The vane design minimizes friction and wear, reducing the need for frequent lubrication or adjustments compared to some alternative rotary actuators.

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#### **Cons**

1. **Limited Torque Range** At 30 Nm (Newton-meters), this actuator may not be sufficient for high-load applications requiring significantly higher torque. Larger models (e.g., 50 Nm or 100 Nm) would be needed for heavy-duty tasks.

2. **Potential for Leakage Over Time** Like all pneumatic components, seals and vanes can degrade with prolonged use, leading to air leaks. Regular maintenance may be required to prevent efficiency loss.

3. **Sensitivity to Contaminants** Dust, debris, or moisture in the air supply can affect performance and longevity. Additional filtration may be necessary in dirty or unregulated environments.

4. **Speed Limitations** Pneumatic actuators generally have slower response times compared to electric or hydraulic alternatives, which could be a drawback in high-speed applications.

5. **Dependence on Air Supply Quality** Fluctuations in air pressure or inconsistent supply can lead to inconsistent actuator performance. A stable, well-regulated compressor system is essential.

6. **Higher Initial Cost Than Some Alternatives** While not excessively expensive, it may be more costly than basic rotary solenoids or simpler mechanical actuators for low-torque applications.

7. **Limited Customization** Unlike some electric servo actuators, this pneumatic model offers fewer options for fine-tuning speed, torque, or positioning without additional external controls.

8. **Potential for Backlash** Some vane-style actuators may exhibit slight backlash (play) in the mechanism, which could affect precision in critical applications unless properly compensated for.

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### **Conclusion**

The **SMC CDR-B1BW30-90S** is a well-suited choice for applications requiring **moderate torque (30 Nm), precise rotational control, and compatibility with SMC s pneumatic ecosystem**. It excels in **clean, controlled environments** where reliability and repeatability are priorities, such as in **automation, packaging, material handling, or valve actuation**.

However, it may **not be ideal** for **high-load, high-speed, or heavily contaminated** environments where alternative actuators (e.g., larger pneumatic models, electric servo actuators, or hydraulic systems) could offer better performance. Additionally, users must ensure **proper air filtration, maintenance, and system integration** to maximize longevity and efficiency.

### **Recommendation**

- You need a **compact, precise rotary actuator** for **mid-range torque applications** (up to 30 Nm).

- You are already using **SMC pneumatic components** and want seamless integration.

- Your environment is **clean and controlled**, minimizing wear risks.

- You prioritize **reliability and ease of maintenance** over maximum speed or torque.

- You require **higher torque** (opt for a larger SMC model, e.g., CDR-B2BW50-90S).

- Your application demands **faster response times** (electric servo actuators may be better).

- The environment is **dirty or unregulated** (additional filtration or a different actuator type may be needed).

- You need **extreme precision or custom speed control** (a servo-driven pneumatic or electric actuator could be preferable).

For most **standard industrial automation tasks** where **30 Nm is sufficient and clean air is available**, this SMC actuator is a **solid, cost-effective choice**. However, always verify your specific torque, speed, and environmental requirements before finalizing the purchase.

Details:

Capable of mounting auto-switches We proudly sell hard-to-find parts, components, and machines to makers manufacturers. This series CRB1 includes magnets for auto-switches, operates without lubrication non-lube, and offers high reliability through ball-bearing construction, often used in restricted, high-torque industrial environments. Glad you stopped by.

R73, R80, T79 anywhere along the circumference to match specific positional needs. Extra Information:: The SMC CDRB1BW30-90S is a single-vane, vane-style pneumatic rotary actuator designed for industrial automation, featuring 30mm bore size, 90-degree rotation angle, and double shaft. This particular item was removed from a DEK machine.

part #: cdrb1bw3090s prices

• $60.00-$129.99

specifications linactuat:

• brand: Smc
• mpn: Cdrb1bw30-90s
• part type: Pneumatic Actuator

seller linactuat:

• city: El Paso, Texas
• rating: 99.7%
• # reviews: 22177

shipping linactuat:

• class: Standard, Expedited, One-day
• cost: $9.06
• carrier: UPS
• type: Calculated
• service: UPS Ground, UPS 2nd Day Air, UPS 3 Day Select, UPS Next Day Air
• transit: 4-11 Days

returns linactuat:

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

general linactuat:

• condition: Used
• Industrial Automation Motion Controls > Rotary Linear Motion > Rotary Actuators

offer linactuat:

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

payments linactuat:

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

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