REXROTH R978705175 Bosch

( Brand: Rexroth ), ( Manufacturer Part Number: R978705175 )

Review REXROTH Bosch New

The **Bosch Rexroth R978705175** 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**, this hydraulic cylinder is engineered to deliver exceptional efficiency and longevity in environments where extreme conditions such as high pressures, frequent cycling, or exposure to contaminants are common. Constructed from high-grade materials, including **tempered steel for the rod and housing**, this cylinder ensures superior resistance to wear, corrosion, and fatigue, making it ideal for heavy-duty machinery in manufacturing, material handling, construction, and automotive assembly lines.

The **R978705175** features a robust **double-acting design**, allowing for precise bidirectional control of hydraulic force, which is critical in applications requiring both extension and retraction movements with minimal energy loss. Its **sealed piston rod** incorporates advanced **lip seals and wiper seals**, providing excellent protection against dust, moisture, and debris infiltration, thereby extending the cylinder s operational lifespan and reducing maintenance requirements. The **hydraulic end caps** are securely fastened with **high-strength bolts**, ensuring leak-proof performance under high-pressure conditions, typically up to **350 bar (5,076 psi)**, depending on the specific configuration.

One of the standout features of this cylinder is its **modular design**, which allows for easy customization to fit various mounting configurations, stroke lengths, and attachment options. The **flanged or trunnion mounting** provides flexibility in installation, accommodating different structural layouts in machinery. Additionally, the **integrated cushioning system** helps mitigate shock loads and hydraulic hammering, reducing wear on both the cylinder and connected components while enhancing operational smoothness. For applications requiring enhanced precision, the **R978705175** can be paired with Bosch Rexroth s **proportional or servo valves**, enabling seamless integration into advanced control systems for optimized performance.

Built to Bosch Rexroth s stringent quality standards, this cylinder undergoes rigorous testing to ensure **consistent performance, minimal leakage, and reliable operation** over extended service intervals. The **grease-filled rod seals** further enhance durability by preventing corrosion and reducing friction, while the **high-pressure-rated piston seals** maintain efficiency even under fluctuating load conditions. Whether deployed in **press systems, material handling equipment, or industrial automation**, the **R978705175** delivers a balance of strength, precision, and adaptability, making it a trusted choice for engineers and operators seeking long-term reliability in their hydraulic applications.

### **Pros and Cons of buying a Rexroth R978705175 (Bosch) Hydraulic Pump**

The **Rexroth R978705175** (a variant of the Bosch Rexroth A4VM series) is a high-performance axial piston hydraulic pump commonly used in industrial machinery, mobile hydraulics, and heavy equipment. Below is a detailed analysis of its advantages and disadvantages.

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### **Pros**

1. **High Efficiency and Performance**

- The pump is designed with advanced internal geometry, including swashplate and piston-cup mechanisms, ensuring high volumetric efficiency (up to 95% or higher in optimal conditions).

- It delivers consistent flow rates with minimal internal leakage, making it suitable for precision applications.

2. **Wide Operating Range**

- Capable of handling variable displacement, allowing for adjustable flow rates depending on system demands.

- Works effectively across a broad pressure range (typically 210 420 bar, though exact specs depend on the exact model variant).

3. **Durability and Reliability**

- Built with high-quality materials, including hardened steel components and precision-machined parts, which extend the pump s lifespan under heavy loads.

- The A4VM series is known for robustness in harsh environments, such as construction, mining, and agricultural machinery.

4. **Low Maintenance Requirements**

- Features sealed internal components, reducing contamination risks and extending oil change intervals.

- Many variants include integrated suction filters and pressure compensators to minimize wear.

5. **Compatibility with Advanced Control Systems**

- Often integrated with electronic control modules (e.g., Rexroth s **ECOS** or **ECON** systems), enabling precise flow and pressure regulation.

- Suitable for use with proportional or servo valves in modern hydraulic circuits.

6. **Global Availability and Support**

- Part of Bosch Rexroth s extensive product line, ensuring easy access to spare parts, technical support, and aftermarket service.

- Widely used in OEM applications, making replacements and upgrades straightforward.

7. **Energy Efficiency**

- The pump s design minimizes hydraulic losses, reducing energy consumption in large-scale applications.

- Some variants include **load-sensing** capabilities, further optimizing power usage.

8. **Versatility in Applications**

- Used in excavators, cranes, presses, injection molding machines, and other industrial hydraulics.

- Available in different displacement sizes (e.g., 20 200 cm /rev), allowing selection based on specific flow requirements.

---

### **Cons**

1. **High Initial Cost**

- As a premium hydraulic component, the upfront purchase price is significantly higher than generic or lower-end pumps.

- Replacement costs can be prohibitive for small businesses or budget-conscious operators.

2. **Complex Installation and Setup**

- Requires proper alignment, pressure testing, and calibration, often necessitating trained hydraulic technicians.

- Incorrect installation (e.g., improper suction line sizing or oil filtration) can lead to premature failure.

3. **Sensitivity to Contamination**

- While robust, the pump s precision components are vulnerable to particulate contamination, which can cause internal wear or failure.

- Mandates strict filtration (typically 10 15 microns) and regular oil analysis to prevent damage.

4. **Limited Lifespan Under Extreme Conditions**

- In applications with frequent extreme pressure spikes, cavitation, or poor lubrication, the pump may degrade faster than expected.

- Overloading or operating outside specified parameters (e.g., temperature or pressure limits) can reduce longevity.

5. **Dependence on High-Quality Hydraulic Fluid**

- Requires **mineral-based or synthetic hydraulic oil** meeting specific viscosity and cleanliness standards (e.g., ISO 40 68 for most variants).

- Using inferior or degraded oil accelerates wear and reduces efficiency.

6. **Potential for Leakage**

- Seals and gaskets may degrade over time, leading to external or internal leaks, especially if the system is not properly maintained.

- Requires periodic inspection of shaft seals and connection points.

7. **Training and Expertise Required**

- Troubleshooting issues (e.g., noise, reduced flow, or pressure drops) often demands specialized knowledge of hydraulic systems.

- Inexperienced operators may struggle with diagnostics or adjustments.

8. **Weight and Space Considerations**

- The pump is relatively heavy (typically 10 30 kg depending on size), which can impact installation logistics in space-constrained systems.

- Requires adequate mounting and support to prevent vibration-induced stress.

---

### **Conclusion**

The **Rexroth R978705175 (Bosch A4VM series)** is a **superior choice** for applications demanding high performance, reliability, and efficiency. Its advanced design, durability, and compatibility with modern control systems make it ideal for industrial, mobile, and heavy-duty hydraulics. However, the **high cost, maintenance sensitivity, and complexity** of installation and operation may not justify its purchase for low-budget or simple applications.

For **OEMs, large-scale machinery, or precision hydraulic systems**, this pump is a **strong recommendation** due to its longevity and performance. For **small-scale or cost-sensitive users**, alternatives like **lower-cost axial piston pumps (e.g., Parker, Moog, or generic brands)** or **radial piston pumps** (if flow requirements are lower) might be more practical.

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### **Final Recommendation**

- You require **high efficiency, durability, and precision** in a hydraulic system.

- Your application involves **heavy loads, variable flow demands, or integration with electronic controls**.

- You can afford the **higher upfront cost** and commit to **proper maintenance and oil management**.

- You need **long-term reliability** with minimal downtime, justifying the investment.

- Your budget is **limited**, and a lower-cost pump (e.g., a reliable radial piston or entry-level axial piston) suffices.

- Your application is **simple or low-pressure**, where a basic pump would work adequately.

- You lack **technical expertise** to install, maintain, or troubleshoot the pump effectively.

- The operating environment is **extremely harsh** (e.g., high contamination risk, frequent extreme pressure swings), which could shorten the pump s lifespan.

For most **industrial and mobile hydraulic systems requiring performance**, the **Rexroth R978705175 remains a top-tier selection**, but careful consideration of cost, application, and maintenance capabilities is essential.

Details:

Part Number R978705175. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such.

All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: r978705175 prices

• $89.99-$4249.99

specifications hydraulimoto:

• brand: Rexroth
• mpn: R978705175

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• availability: In Stock
• started: January 31, 2026
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• quantity: 1

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

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• policy: Returns Accepted

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• # reviews: 9714
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 95.9%

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