REXROTH R978059323 Bosch

( Brand: Rexroth ), ( Manufacturer Part Number: R978059323 )

Review REXROTH Bosch New

The **Bosch Rexroth R978059323** is a high-performance, compact hydraulic cylinder designed for demanding industrial applications where precision, reliability, and durability are paramount. Part of Bosch Rexroth s renowned **A4W** series, this cylinder is engineered to deliver exceptional efficiency and longevity in environments where space constraints and heavy-duty performance are critical. Its robust construction features a **double-acting, rod-end design**, ensuring smooth and controlled motion in both extension and retraction cycles, making it ideal for machinery such as presses, material handling systems, and automated assembly lines.

The cylinder incorporates a **high-strength steel housing** with precision-machined surfaces, minimizing internal leakage and maximizing hydraulic efficiency. Its **sealed rod guide** and **dual-wiper system** protect against contamination, extending the life of the seals and reducing maintenance requirements. The **integrated cushioning system** on both the rod and cap sides dampens shock loads, reducing wear on the cylinder and connected components while enhancing operational safety. This feature is particularly beneficial in applications involving rapid acceleration or deceleration, where hydraulic hammering can otherwise cause premature failure.

Bosch Rexroth s reputation for **cutting-edge hydraulic technology** is evident in the **R978059323**, which employs **low-friction piston seals** and **optimized internal geometry** to minimize energy loss and improve overall system efficiency. The cylinder s **standardized mounting options**, including flange, trunnion, or clevis ends, allow for flexible integration into various mechanical setups, while its **compact profile** makes it suitable for applications where space is limited. Additionally, the **high-pressure capability** (up to **350 bar**) ensures robust performance in demanding hydraulic circuits, where consistent force output is essential.

For enhanced reliability, the **R978059323** is equipped with **Bosch Rexroth s proprietary seal technology**, which resists abrasion, temperature fluctuations, and chemical exposure, making it suitable for both indoor and outdoor industrial environments. Its **modular design** also allows for easy customization, including the addition of **position sensors, magnetic rod indicators, or custom rod coatings** to meet specific application needs. Whether used in **automotive manufacturing, packaging machinery, or heavy-duty material processing**, this cylinder exemplifies Bosch Rexroth s commitment to **precision engineering and long-term performance**, ensuring seamless operation and reduced downtime in even the most rigorous industrial settings.

### **Pros and Cons of buying a Rexroth R978059323 (Bosch) Hydraulic Pump**

The **Bosch Rexroth R978059323** is a **gerotor-type hydraulic pump** commonly used in mobile and industrial hydraulic systems. Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros**

1. **Reliability and Durability**

- Rexroth (Bosch) is a well-established brand known for high-quality hydraulic components. The R978059323 is designed for heavy-duty applications, offering long service life with proper maintenance.

- The gerotor design is robust and less prone to internal wear compared to some piston-type pumps, making it suitable for continuous operation in demanding environments.

2. **Compact and Lightweight**

- The pump is relatively compact for its flow capacity, making it easier to integrate into tight spaces in machinery such as excavators, forklifts, or agricultural equipment.

- Its lightweight design reduces overall system weight, improving fuel efficiency in mobile applications.

3. **Wide Flow Range and Adjustability**

- The R978059323 is available in multiple flow rate variants (typically 10 30 L/min, depending on the exact model variant), allowing it to be matched to different hydraulic system requirements.

- Some versions feature **pressure-compensated or load-sensing control**, which helps optimize energy efficiency by adjusting flow based on system demand.

4. **Compatibility with Common Hydraulic Fluids**

- It is designed to work with standard hydraulic oils (HLP, HVLP, or mineral-based fluids), reducing the need for specialized lubricants.

- Compatible with **Rexroth s own hydraulic fluids**, ensuring optimal performance and longevity.

5. **Easy Maintenance and Serviceability**

- The gerotor design has fewer moving parts than piston pumps, simplifying maintenance tasks such as seal replacement and internal inspections.

- Many Rexroth pumps include **quick-disconnect fittings** and **modular components**, making repairs and replacements faster.

6. **Noise and Vibration Reduction**

- Gerotor pumps generally operate with lower noise levels compared to some piston pumps, contributing to a quieter hydraulic system.

- The smooth operation reduces mechanical stress on connected components, extending the life of the entire hydraulic circuit.

7. **Aftermarket Availability and Support**

- As a Bosch Rexroth product, it benefits from a **global network of distributors, service centers, and spare parts availability**.

- Many third-party manufacturers produce compatible or direct replacements, reducing downtime in case of failure.

8. **Cost-Effective for Mid-Range Applications**

- While not the cheapest pump on the market, it offers a **good balance between performance and price**, making it a cost-effective choice for medium-duty hydraulic systems.

- Lower initial cost compared to high-end piston pumps (e.g., some A4V or A6V series) while still delivering reliable performance.

---

### **Cons**

1. **Lower Pressure Capability Compared to Piston Pumps**

- The R978059323 is typically rated for **pressure ranges of 210 350 bar**, which is sufficient for many mobile and industrial applications but **lower than high-performance piston pumps** (which can exceed 400 bar).

- If the application requires **very high pressures** (e.g., heavy-duty presses, some mining equipment), a piston pump may be a better choice.

2. **Flow Rate Limitations**

- While the pump offers a decent flow range, **larger systems (e.g., heavy construction equipment)** may require multiple pumps or a higher-capacity unit.

- For applications needing **very high flow rates (e.g., 50 L/min)**, a multi-pump setup or a different pump type (e.g., axial piston) may be necessary.

3. **Sensitivity to Contamination**

- Like all hydraulic pumps, the R978059323 is **vulnerable to fluid contamination**, which can accelerate wear on the gerotor and internal seals.

- Requires **proper filtration (ISO 4406:17/14 or better)** and regular fluid analysis to maintain performance.

4. **Limited Temperature Range**

- While it performs well in standard operating temperatures (typically **-20 C to 100 C**), **extreme cold or high-temperature environments** may require additional precautions (e.g., heated reservoirs, special fluids).

- Prolonged operation at high temperatures can reduce fluid life and increase wear.

5. **Higher Initial Cost Than Basic Pumps**

- Compared to **basic gear pumps or simpler gerotor pumps**, the Rexroth R978059323 is more expensive due to its **higher quality, precision engineering, and brand reputation**.

- For very low-budget applications, cheaper alternatives (e.g., some Chinese or generic gerotor pumps) may be considered, though with trade-offs in reliability.

6. **Specialized Installation Requirements**

- The pump may require **specific mounting orientations** (e.g., shaft alignment, suction side considerations) to prevent cavitation or air entrapment.

- Incorrect installation (e.g., improper suction line design) can lead to **reduced efficiency or premature failure**.

7. **Limited Customization Options**

- Unlike some piston pumps, the R978059323 has **fewer customization options** in terms of pressure, flow, or mounting configurations.

- If exact specifications are needed, alternative models or modifications may be required.

8. **Potential for Higher Maintenance Costs Over Time**

- While maintenance is relatively simple, **seals, gerotor sets, and bearings** are wear items that will eventually need replacement.

- In high-demand applications, **consumable costs** (seals, filters, fluids) can add up over time.

---

### **Conclusion**

The **Bosch Rexroth R978059323** is a **well-engineered, reliable, and efficient gerotor pump** that excels in **mid-range hydraulic applications** where **durability, compactness, and moderate pressure requirements** are prioritized. It is an excellent choice for:

- **Mobile hydraulic systems** (e.g., excavators, forklifts, agricultural machinery).

- **Industrial equipment** requiring **steady flow without extreme pressure demands**.

- **Applications where brand reliability and aftermarket support** are important.

- **High-pressure applications** (e.g., heavy-duty presses, some mining equipment).

- **Very high-flow systems** that require multiple pumps or alternative designs.

- **Extreme temperature or heavily contaminated environments** without additional safeguards.

If the application **matches its specifications** (e.g., 210 350 bar, 10 30 L/min, clean fluid, moderate temperatures), the R978059323 offers **a strong balance of performance, longevity, and cost-effectiveness**.

---

### **Recommendation**

You need a **reliable, compact, and efficient gerotor pump** for a **mobile or industrial hydraulic system**.

Your application requires **pressures between 210 350 bar** and **flow rates up to 30 L/min**.

You prioritize **brand reputation, aftermarket support, and ease of maintenance**.

The system can **ensure proper fluid filtration and contamination control**.

Your application needs **higher pressures (above 350 bar)** opt for a **piston pump (e.g., Rexroth A4V, Parker D7)**.

You require **very high flow rates (above 30 L/min)** consider a **multi-pump setup or axial piston pump**.

The environment is **extremely dirty or high-temperature** evaluate **specialized pumps or additional filtration systems**.

Budget is a **major constraint** explore **lower-cost gerotor pumps** (e.g., some Chinese brands) with caution regarding reliability.

For **most mid-range hydraulic applications where reliability and efficiency are key**, the **Rexroth R978059323 is a strong, well-supported choice**. However, always **verify the exact model variant s specifications** (flow, pressure, shaft type) against your system requirements before purchasing. Pair it with **proper filtration, regular maintenance, and compatible hydraulic fluid** to maximize its lifespan.

Details:

Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Part Number R978059323. 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.

part #: r978059323 prices

• $89.99-$4249.99

specifications hydraulimoto:

• brand: Rexroth
• mpn: R978059323

returns hydraulimoto:

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

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offer hydraulimoto:

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

general hydraulimoto:

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

shipping hydraulimoto:

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

seller hydraulimoto:

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

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