REXROTH R978886647 Bosch

( Brand: Rexroth ), ( Manufacturer Part Number: R978886647 )

Review REXROTH Bosch New

The **Bosch Rexroth R978886647** is a high-performance, precision-engineered hydraulic cylinder designed for demanding industrial applications where reliability, durability, and consistent performance are paramount. Part of Bosch Rexroth s renowned **A4 series** of hydraulic cylinders, this model is engineered to deliver exceptional efficiency and longevity in environments where harsh conditions, frequent cycling, or heavy loads are the norm. The cylinder features a robust **tubular design** with a seamless, high-strength steel housing, ensuring structural integrity and resistance to bending or deformation under extreme pressure and load conditions. Its **double-acting** configuration allows for bidirectional force generation, making it ideal for applications requiring precise control in both extension and retraction phases, such as in material handling, press systems, or heavy-duty machinery.

At the core of its performance is the **Rexroth s proprietary hydraulic technology**, which integrates advanced sealing systems to minimize internal leakage and wear, thereby extending the operational lifespan of the cylinder. The **piston rod** is constructed from high-grade, corrosion-resistant steel and is treated with a durable chrome plating to prevent pitting, galling, or premature fatigue, even in wet or abrasive environments. The **sealing arrangement** incorporates **Bosch Rexroth s UHMW-PE (ultra-high-molecular-weight polyethylene) wiper seals** and **nitrile rubber lip seals**, which provide superior resistance to contaminants, moisture, and temperature fluctuations, typically operating effectively within a range of **-20 C to 100 C**. For added protection, the cylinder is equipped with **end caps** that are securely fastened with **high-strength bolts**, ensuring no hydraulic fluid leakage and maintaining system integrity under high-pressure conditions.

The **mounting options** for the R978886647 are versatile, accommodating **clevis, flange, or trunnion mounts**, which allow for flexible integration into various machinery configurations. The **hydraulic ports** are designed with **threaded connections** (typically M27x2 or customizable per application) to ensure a secure and leak-proof interface with the hydraulic system, while the **internal rod guide** prevents lateral rod deflection, reducing wear on the seals and extending the cylinder s service life. This model also incorporates **Bosch Rexroth s patented rod guide system**, which enhances smooth operation and reduces friction, making it particularly suited for applications requiring high-speed cycling or precise positioning.

For enhanced safety and operational monitoring, the cylinder can be equipped with **optional position sensors, pressure switches, or magnetic rod sensors**, allowing for real-time feedback on cylinder position, speed, or force. These features are particularly valuable in automated systems where precise control and fault detection are critical. The **R978886647** also adheres to strict **ISO 6022 and ISO 15552 standards**, ensuring compatibility with global hydraulic systems and compliance with industry regulations for safety and performance. Whether deployed in **automotive manufacturing, construction equipment, or industrial automation**, this cylinder exemplifies Bosch Rexroth s commitment to delivering a product that balances **high efficiency, minimal maintenance, and uncompromising durability**, making it a trusted choice for engineers and operators seeking long-term reliability in their hydraulic applications.

### **Pros and Cons of buying a Rexroth R978886647 (Bosch) Hydraulic Pump**

#### **Overview**

The **Bosch Rexroth R978886647** is a high-performance **axial piston hydraulic pump** commonly used in industrial machinery, mobile hydraulics, and heavy equipment applications. It is known for its reliability, efficiency, and durability, but like any specialized component, it has advantages and limitations depending on the use case.

---

### **Pros**

1. **High Efficiency and Performance**

- The R978886647 is designed for **high-pressure applications** (typically up to **420 bar**), making it suitable for demanding hydraulic systems.

- Its **axial piston design** provides smooth operation and excellent flow rates, reducing energy loss compared to gear or vane pumps.

- **Variable displacement models** (if applicable) allow for precise flow control, improving system efficiency.

2. **Durability and Longevity**

- Bosch Rexroth is a well-established brand with a reputation for **high-quality manufacturing**, ensuring robust construction and resistance to wear.

- The pump is built with **precision-engineered components**, including hardened shafts, sealed bearings, and corrosion-resistant materials, extending its operational life.

- Many users report **minimal maintenance requirements** compared to lower-quality alternatives.

3. **Compatibility and Integration**

- Designed to work seamlessly with **Bosch Rexroth hydraulic systems**, including valves, motors, and control units, ensuring optimal performance in integrated setups.

- Available in **multiple displacement sizes** (e.g., 25 cm , 30 cm , 40 cm ), allowing selection based on specific flow requirements.

- Often **OEM-approved**, meaning it is trusted in original equipment applications (e.g., construction, agriculture, marine).

4. **Energy Efficiency**

- The **swashplate mechanism** (in variable models) minimizes internal leakage, improving overall system efficiency.

- Lower heat generation compared to some competitors, reducing the need for extensive cooling systems.

5. **Aftermarket Support and Availability**

- As a **Bosch Rextho product**, it benefits from a **global supply network**, making spare parts and service easier to obtain.

- Many **authorized service centers** and hydraulic specialists can perform repairs or replacements.

- **Remanufactured options** are available, offering cost savings without sacrificing performance.

6. **Versatility in Applications**

- Suitable for **mobile hydraulics** (e.g., excavators, loaders, agricultural machinery) and **industrial hydraulics** (e.g., presses, injection molding machines).

- Can be paired with **electronic control systems** for advanced hydraulic management.

---

### **Cons**

1. **High Initial Cost**

- Compared to **generic or aftermarket pumps**, the Rexroth R978886647 is **more expensive**, both in purchase price and installation.

- The premium pricing reflects its **high-quality components and precision engineering**, which may not be justified for low-demand applications.

2. **Complexity in Installation and Maintenance**

- Requires **proper alignment, lubrication, and pressure settings** during installation; improper setup can lead to premature failure.

- **Specialized knowledge** may be needed for maintenance, increasing labor costs if in-house expertise is lacking.

- Some users report **sensitivity to contamination**, requiring **high-quality hydraulic fluid and filtration systems**.

3. **Limited Availability of Aftermarket Parts**

- While Bosch Rexroth has a strong supply chain, **third-party compatibility** can be an issue some replacement parts may only be available directly from Bosch or authorized dealers.

- **Remanufactured units** may not always match the performance of new ones, depending on the refurbishment quality.

4. **Potential for Overkill in Low-Demand Systems**

- If the application does not require **high pressure or precise flow control**, a simpler (and cheaper) pump (e.g., a gear pump) may suffice.

- **Variable displacement models** add complexity and cost; fixed-displacement versions may be unnecessary for constant-load applications.

5. **Noise and Vibration in Some Models**

- Axial piston pumps can generate **more noise and vibration** compared to gear or piston pumps, which may require **additional damping solutions** in sensitive environments.

6. **Dependence on Bosch Rexroth Ecosystem**

- If the system is **not fully integrated with Bosch components**, performance may not reach its full potential.

- **Compatibility issues** can arise when mixing Rexroth parts with non-Bosch hydraulics, requiring careful system design.

---

### **Conclusion**

The **Bosch Rexroth R978886647** is a **superior choice for high-performance, precision-driven hydraulic applications** where reliability, efficiency, and longevity are critical. Its **superior engineering, durability, and compatibility with Bosch systems** make it ideal for **industrial, mobile, and heavy-duty applications** where downtime cannot be tolerated.

However, the **higher upfront cost, maintenance complexity, and sensitivity to system setup** mean it is **not the best fit for budget-conscious or low-demand applications**. If the application requires **consistent high pressure, variable flow control, or long-term reliability**, the R978886647 is a **strong recommendation**. For simpler or cost-sensitive applications, a **lower-cost alternative** (e.g., a reliable gear or piston pump) may be more practical.

---

### **Final Recommendation**

You need **high-pressure, high-efficiency hydraulics** (e.g., construction, industrial presses, marine systems).

Your system is **fully integrated with Bosch Rexroth components** (valves, motors, controls).

You prioritize **long-term durability and minimal maintenance** over short-term cost savings.

You have access to **proper installation, training, and maintenance support**.

Your application requires **low pressure or simple flow control** (a gear or radial piston pump may suffice).

Budget constraints make the **higher initial cost prohibitive**.

You lack **expertise in hydraulic system setup and maintenance**.

The system will operate in **extremely contaminated environments** without proper filtration.

For most **high-performance hydraulic applications**, the **Rexroth R978886647 remains one of the best choices** due to its **proven reliability and industry-leading performance**. However, a **cost-benefit analysis** should always be conducted to ensure it aligns with the specific requirements of the project.

Details:

Part Number R978886647. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use if purchasing a used product. Sells new and surplus product develops channels to purchase such.

Call to use a shipping service other than the ones listed.

part #: r978886647 prices

• $274.00-$4249.99

specifications hydraulimoto:

• brand: Rexroth
• mpn: R978886647

shipping hydraulimoto:

• transit: 32-37 Days
• class: Standard
• cost: $12.90
• service: Standard
• type: Fixed

returns hydraulimoto:

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

general hydraulimoto:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Motors
• condition: New

offer hydraulimoto:

• quantity: 1
• started: January 31, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0

payments hydraulimoto:

• other
• credit card: Diners-club
• wallet: Apple-pay

seller hydraulimoto:

• rating: 95.9%
• # reviews: 9715
• city: 1 Millennium Dr, Willingboro, NJ 08046

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