REXROTH 5351400300 Bosch

( Brand: Rexroth ), ( Manufacturer Part Number: 5351400300 )

Review REXROTH Bosch Used

The **Bosch Rexroth 5351400300** is a high-performance hydraulic cylinder designed for demanding industrial applications where precision, durability, and reliability are paramount. Part of Bosch Rexroth s renowned **A4F** series of hydraulic cylinders, this model is engineered to deliver exceptional performance in heavy-duty machinery, including presses, injection molding systems, material handling equipment, and automated manufacturing processes. The cylinder features a robust **tubular design** with a seamless, high-strength steel housing, ensuring superior resistance to bending stresses and fatigue, even under extreme operating conditions. Its **double-acting** configuration allows for bidirectional force application, making it ideal for applications requiring both extension and retraction cycles with consistent power output.

The **5351400300** incorporates Bosch Rexroth s advanced **hydraulic sealing technology**, utilizing high-quality elastomeric and composite materials to minimize internal leakage and extend service life. The cylinder is equipped with **dual-welded rod ends**, providing enhanced structural integrity and resistance to wear, while the **precision-machined piston rod** ensures smooth operation and reduces friction. For added protection against contamination, the cylinder includes **sealed rod guides** and **wipe-off rings**, which help maintain cleanliness and prevent debris from entering the hydraulic circuit. The **flanged mounting** design allows for flexible integration into various system configurations, accommodating different installation orientations and load requirements.

One of the standout features of this cylinder is its **adjustable cushioning system**, which can be fine-tuned to control the speed and force of the cylinder s end-of-stroke movement, reducing shock and wear on both the cylinder and connected machinery. The **hydraulic end caps** are designed for easy maintenance, allowing for quick access to internal components such as seals, piston rings, and return springs without requiring disassembly of the entire unit. Additionally, the cylinder is compatible with Bosch Rexroth s **hydraulic control systems**, including proportional and servo valves, enabling precise motion control for applications requiring high levels of automation and repeatability.

Built to meet stringent industry standards, the **5351400300** is suitable for operation in environments with moderate to high temperatures and pressures, typically within a range of **-20 C to 100 C** and pressures up to **350 bar**, depending on the specific configuration. Its **corrosion-resistant coatings** and **galvanized finishes** further enhance its longevity in harsh or corrosive conditions, making it a dependable choice for industries such as automotive manufacturing, plastics processing, and metalworking. Whether used in a continuous production line or intermittent heavy-duty applications, this cylinder exemplifies Bosch Rexroth s commitment to innovation, reliability, and engineering excellence, ensuring optimal performance and minimal downtime for industrial operations.

### **Pros and Cons of Buying a Rexroth 5351400300 (Bosch) Hydraulic Component**

The **Rexroth 5351400300** is a hydraulic **piston pump** (likely a **4-cylinder axial piston pump**) commonly used in industrial machinery, mobile hydraulics, and construction equipment. Below is a detailed analysis of its advantages and disadvantages.

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### **Pros**

1. **High Reliability and Durability**

- Rexroth (now part of Bosch) is a well-established brand with decades of experience in hydraulic components. This pump is designed for heavy-duty applications, offering long service life under demanding conditions.

- High-quality materials and precision engineering reduce wear and tear, lowering maintenance frequency.

2. **Efficient Performance**

- Axial piston pumps like this one provide **high flow rates and pressure capabilities**, making them suitable for high-power applications (e.g., excavators, cranes, and industrial presses).

- Variable displacement models (if applicable) allow for energy-efficient operation by adjusting flow based on demand.

3. **Wide Compatibility**

- Designed to work with standard hydraulic fluids (mineral-based, biodegradable, or synthetic oils), ensuring flexibility in system integration.

- Often interchangeable with other major brands (e.g., Parker, Moog) in similar applications, reducing downtime during replacements.

4. **Aftermarket Support and Availability**

- As a Bosch/Rexroth product, it benefits from a **global distribution network**, making parts and service readily available.

- Many authorized dealers and independent hydraulic specialists can provide maintenance, repairs, or replacements.

5. **Energy Efficiency**

- Modern Rexroth pumps incorporate **low-friction designs and advanced sealing technologies**, improving overall system efficiency.

- Some models feature **pressure-compensated or load-sensing controls**, reducing wasted energy.

6. **Modular and Customizable Options**

- Depending on the variant, this pump may offer **adjustable displacement, multiple mounting configurations, or integrated controls**, allowing for tailored solutions.

- Compatible with **electronic control systems** for precise hydraulic management.

7. **Lower Long-Term Costs (If Maintained Properly)**

- While the upfront cost may be higher than some generic brands, the **reduced downtime and extended lifespan** often lead to lower total cost of ownership (TCO) over time.

---

### **Cons**

1. **High Initial Cost**

- Rexroth/Bosch components are **premium-priced** compared to generic or no-name brands. The 5351400300 may cost significantly more upfront.

- This can be a barrier for small businesses or budget-conscious operators.

2. **Complexity in Maintenance**

- Axial piston pumps require **regular servicing**, including fluid changes, seal inspections, and valve adjustments.

- Improper maintenance can lead to **premature failure**, voiding warranties or causing costly repairs.

- Some models may require **specialized tools or trained technicians** for servicing.

3. **Sensitivity to Contamination**

- Hydraulic pumps are highly sensitive to **particulate contamination**, which can accelerate wear on internal components (e.g., pistons, swashplate, bearings).

- Requires **high-quality filtration systems** and strict fluid management protocols.

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

- If the pump is **oversized for the application**, it may waste energy and increase operating costs without providing benefits.

- For example, using a high-flow pump in a small machine may lead to **excessive heat and inefficiency**.

5. **Limited DIY Repairability**

- Unlike simpler pumps, the **5351400300 may not be easily repairable by untrained personnel**. Disassembling and reassembling it requires **specialized knowledge** to avoid damage.

- Some repairs may necessitate **original equipment manufacturer (OEM) service**, increasing costs.

6. **Warranty and Service Dependence on Authorized Dealers**

- Voiding warranties by using **non-OEM parts or unauthorized repairs** can lead to unexpected expenses.

- Some regions may have **limited authorized service centers**, causing delays in maintenance.

7. **Potential for Counterfeit or Low-Quality Replacements**

- Due to its popularity, the **5351400300 may be targeted by counterfeiters**. Purchasing from **unverified sellers** can result in faulty or incompatible parts.

- Always buy from **authorized distributors or reputable hydraulic suppliers** to avoid this risk.

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

- Axial piston pumps can generate **higher noise and vibration levels** compared to radial or gear pumps, which may be a concern in **sensitive environments**.

---

### **Conclusion**

The **Rexroth 5351400300** is a **high-performance, reliable hydraulic pump** well-suited for **industrial, mobile, and heavy-duty applications** where durability and efficiency are critical. Its **premium build quality, extensive aftermarket support, and energy-efficient operation** make it a strong choice for operators who prioritize **long-term performance and reduced downtime**.

However, the **higher upfront cost, complexity in maintenance, and sensitivity to contamination** mean it is **not the best fit for budget-conscious or low-demand applications**. Additionally, **proper training and strict fluid management** are essential to maximize its lifespan and efficiency.

For **new installations in critical machinery** (e.g., construction equipment, industrial presses, or marine systems), the **5351400300 is a recommended choice** due to its **proven track record and reliability**. For **small-scale or cost-sensitive applications**, a **less expensive but well-maintained alternative** (e.g., a high-quality generic pump) may be more practical.

---

### **Final Recommendation**

You are replacing an existing Rexroth/Bosch pump in a **high-demand, heavy-duty system**.

Your application requires **high flow rates, precision control, or energy efficiency**.

You have access to **proper maintenance and authorized service support**.

You are willing to invest in **high-quality hydraulic fluid and filtration** to prevent contamination.

Your budget is **strictly limited**, and you can find a **reliable generic pump** with similar specs.

The pump is **oversized for your application**, leading to inefficiency.

You lack **expertise in hydraulic maintenance** and cannot ensure proper servicing.

- **Use only OEM or high-quality aftermarket parts** for repairs.

- **Follow strict fluid maintenance schedules** (filter changes, fluid analysis).

- **Train operators on basic hydraulic troubleshooting** to catch issues early.

- **Purchase from authorized distributors** to avoid counterfeit parts.

In summary, the **5351400300 is a superior choice for professional hydraulic systems** where reliability and performance are non-negotiable, but it requires **proper care and investment** to justify its cost.

Details:

All products are guaranteed to be working but may show signs of use. BOSCH / USED DISCONTINUED BY MANUFACTURER, PNEUMATIC REGULATOR, C4, 1-3 BA. Part Number. Call to use a shipping service other than the ones listed.

The product is used surplus. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

part #: 5351400300 price

• $22.73

specifications generapneumati:

• brand: Rexroth
• mpn: 5351400300

seller generapneumati:

• rating: 99.6%
• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 1996 14

returns generapneumati:

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

offer generapneumati:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• started: April 15, 2026

payments generapneumati:

• credit card: Discover
• other
• wallet: Paypal

shipping generapneumati:

• service: Standard
• transit: 2-5 Days
• class: Standard
• type: Fixed
• cost: $12.90

general generapneumati:

• condition: Used
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics

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