
( Brand: Parker ), ( Manufacturer Part Number: BB2-ANU19A ), ( Country Of Origin: United States ), ( Cylinder Action: Double-acting ), ( Cylinder Type: Compact Cylinder ), ( Maximum Pressure: 250 Psi ), ( Suitable Media: Compressed Air ), ( Mounting Style: Tie Rod ), ( Rod End Thread Size: 3/8-16 Unc ), ( Port Size: 1/4 Npt ), ( Material: Aluminum ), ( Seal Material: Buna-n ), ( Minimum Operating Pressure: 10 Psi ), ( Type: Air Cylinder )
The **Parker Hannifin BB2-ANU19A 0.250" Tie Rod Air Cylinder (Model BB-2ANU19A-25)** is a robust, high-performance pneumatic actuator designed for demanding industrial applications requiring precision, durability, and reliability. Part of Parker s renowned **BB2 series**, this tie-rod cylinder features a **2-inch (0.250") bore diameter** and a **19-inch stroke length**, making it well-suited for medium-duty tasks such as clamping, positioning, indexing, and material handling in manufacturing, packaging, and automation systems. Constructed with a **high-strength steel tie-rod design**, the cylinder provides exceptional rigidity and resistance to bending or deflection under heavy loads, ensuring consistent performance even in high-cycle applications. The **ANU19A** model incorporates Parker s **standard single-acting design**, utilizing compressed air for extension while relying on an external spring or mechanical return mechanism for retraction, which simplifies system integration and reduces complexity in applications where a single-acting function is sufficient.
The cylinder s **aluminum alloy body** offers an optimal balance of strength and weight, contributing to energy efficiency and ease of installation, while the **stainless steel rod** ensures corrosion resistance in harsh environments, including those exposed to moisture, chemicals, or temperature fluctuations. Sealing is handled by Parker s **high-performance elastomeric seals**, including a **U-cup piston seal and rod wiper**, which minimize air leakage, prevent contamination, and extend the cylinder s operational lifespan. The **hardened steel guide bushings** integrated into the cylinder body further enhance stability, reducing friction and wear during repeated extension and retraction cycles. For added protection, the cylinder is equipped with **end-of-stroke cushions** on both the rod and cap sides, which dampen impact forces and reduce noise, prolonging the life of the cylinder and connected machinery.
Compatibility with Parker s **standard air fittings (e.g., M5 or M8 ports)** ensures seamless integration with existing pneumatic systems, while the **quick-connect or threaded rod end options** allow for flexible mounting configurations, including side-mount, top-mount, or custom orientations. The **BB2 series** is engineered for **cleanroom and controlled-environment applications**, as it features **low-outgassing materials** and minimal maintenance requirements, making it ideal for industries such as semiconductor manufacturing, pharmaceutical production, and food and beverage processing. Additionally, the cylinder s **modular design** allows for easy customization, including the addition of **position sensors, magnetic feedback devices, or custom rod attachments** for specialized applications. With a **working pressure rating of up to 150 psi (10 bar)**, this cylinder delivers consistent force output while maintaining operational safety, making it a versatile choice for automation engineers seeking a reliable, long-lasting pneumatic solution.
### **Pros and Cons of buying a Parker BB2-ANU19A 0.250" Tie Rod Air Cylinder (0.200" BB-2ANU19A 25)**
#### **Pros:**1. **High Quality and Reliability** Parker Hannifin is a well-established manufacturer known for producing durable, precision-engineered pneumatic components. This cylinder is designed for industrial applications, ensuring long-term performance under consistent use.
2. **Standardized Design** The BB2 series is a widely used tie-rod cylinder, meaning replacement parts, accessories, and technical support are readily available. This reduces downtime and maintenance costs in the long run.
3. **Adjustable Stroke Length** The 0.250" tie rod version (BB-2ANU19A) allows for customization of the stroke length (up to 25 inches in this case), making it versatile for different applications where space or movement requirements vary.
4. **High Load Capacity** The tie-rod construction provides excellent strength, making it suitable for heavy-duty applications where stability and resistance to side loads are critical.
5. **Compatibility with Existing Systems** Since Parker components are industry standards, this cylinder can often be integrated into existing pneumatic systems without major modifications.
6. **Good Sealing Performance** The cylinder likely features high-quality seals (such as Viton or polyurethane) that resist wear, contamination, and temperature fluctuations, improving efficiency and longevity.
7. **Wide Range of Accessories** Parker offers a variety of end-of-stroke cushions, mounts, and mounting kits, allowing for customization based on specific application needs.
8. **Energy Efficiency** Modern Parker cylinders are designed to minimize air leakage, reducing operational costs over time.
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#### **Cons:**1. **Higher Upfront Cost** Compared to generic or lower-end pneumatic cylinders, Parker products are premium-priced. For budget-sensitive applications, this may be a significant investment.
2. **Potential Overkill for Light-Duty Use** If the application does not require the robust build of a tie-rod cylinder (e.g., very light loads or low-speed movements), a simpler rodless or piston rod cylinder might suffice at a lower cost.
3. **Maintenance Requirements** While durable, tie-rod cylinders require periodic inspection of tie rods, seals, and lubrication points. Neglecting maintenance can lead to premature failure.
4. **Space Constraints** The tie-rod design is bulkier than some alternatives (e.g., rodless cylinders), which may limit installation options in compact machinery.
5. **Specialized Knowledge Needed** Proper installation, calibration, and troubleshooting may require technical expertise, increasing dependency on trained personnel.
6. **Potential for Misalignment Issues** If not properly mounted, tie-rod cylinders can experience binding or uneven wear due to side loads, requiring precise alignment during setup.
7. **Limited Customization Beyond Stroke Length** While the stroke can be adjusted, other specifications (e.g., rod diameter, port size) are fixed, which may not align perfectly with every application.
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### **Conclusion:**The **Parker BB2-ANU19A 0.250" tie-rod air cylinder** is an excellent choice for **industrial, heavy-duty, or high-reliability applications** where durability, load capacity, and long-term performance are critical. Its standardized design, compatibility with existing systems, and customizable stroke length make it a practical investment for manufacturers, automation systems, or machinery requiring precise and robust actuation.
However, if the application involves **light loads, space constraints, or budget limitations**, a simpler or more compact cylinder (e.g., a rodless cylinder or a standard piston rod cylinder) might be a more cost-effective alternative. Additionally, users should ensure they have the **technical expertise or support** to maintain the cylinder properly to avoid premature wear or failure.
### **Recommendation:** **Buy the Parker BB2-ANU19A if:**- You need a **high-performance, durable cylinder** for industrial or heavy-duty use.
- Your application requires **adjustable stroke length** or **high load capacity**.
- You prioritize **long-term reliability and ease of maintenance** (given Parker s reputation).
- You already have a **Parker-compatible system** or plan to integrate it with other Parker components.
**Avoid or consider alternatives if:**- The application is **light-duty or low-speed**, where a simpler cylinder would suffice.
- **Space is extremely limited**, and a bulkier design is not feasible.
- **Budget constraints** make a premium cylinder impractical, and a lower-cost alternative (e.g., a generic tie-rod cylinder) could meet requirements.
- You lack **technical expertise** for installation and maintenance, as improper handling could reduce lifespan.
For most **industrial automation, material handling, or machinery applications**, the Parker BB2-ANU19A is a **strong, well-supported choice** that justifies its cost with performance and longevity.
Guaranteed Working. Used does not mean untested. Changed your mind or it just does not work out. We price aggressively and accept reasonable best offers.
Parker 02.00 BB2ANU19A All Photos 6 images thumbnail to view This is a CBB2ANU14C Pneumatic Air Cylinder 2 Bore x .25 Stroke 2AN Series in good condition. A pelleting/crating fee may apply for very large items. Priced to Move. Pulled from working equipment.
LOCATION: B 0303. Why Motion Constrained.