UNICO 704-483 Regal Rexnord

( Brand: Unico ), ( Manufacturer Part Number: 704-483 )

Review UNICO Regal Rexnord 704483 Used

The **Regal Rexnord 704-483** is a high-performance, heavy-duty gearmotor designed for demanding industrial applications where reliability, precision, and durability are paramount. Part of Rexnord s renowned **704 Series**, this gearmotor combines robust construction with advanced engineering to deliver exceptional torque, efficiency, and longevity in challenging environments. Built with a **compact yet robust frame**, the 704-483 is engineered to handle continuous operation under heavy loads, making it an ideal choice for material handling systems, conveyor belts, packaging machinery, and other industrial automation processes where smooth, consistent motion is critical.

At its core, the Rexnord 704-483 features a **high-efficiency helical gear train**, meticulously machined to minimize backlash and reduce wear over extended periods. The helical gears provide superior load distribution and smoother operation compared to traditional spur gears, while the **hardened and ground teeth** ensure resistance to pitting and fatigue, even under fluctuating torque conditions. The gearmotor is housed in a **cast iron or steel housing**, depending on the specific model variant, which absorbs vibrations and provides structural integrity to withstand harsh operating conditions, including exposure to dust, moisture, and temperature variations.

Powered by a **standard NEMA or IEC motor**, the 704-483 is available in multiple frame sizes and voltage ratings to accommodate a wide range of applications, from low-speed, high-torque scenarios to moderate-speed, high-efficiency drives. The **sealed bearing design** incorporates precision ball or roller bearings, often lubricated for life or with replaceable grease fittings, ensuring minimal friction and extended bearing life. For applications requiring enhanced protection, the gearmotor can be equipped with **IP65 or higher ingress protection**, making it suitable for washdown environments or outdoor installations where contamination is a concern.

One of the standout features of the Rexnord 704-483 is its **modular flexibility**, allowing for easy integration with various input and output shaft configurations, including keyed, splined, or taper-lock bushings. This adaptability simplifies system design and reduces downtime during maintenance, as components can be quickly swapped or upgraded without extensive reconfiguration. Additionally, the gearmotor s **low noise and vibration output** contribute to a quieter, more stable operation, which is particularly beneficial in applications where precision and operator comfort are priorities.

Rexnord s reputation for quality extends to the **704-483**, which undergoes rigorous testing to meet or exceed industry standards such as ISO, NEMA, and UL certifications. Whether deployed in a manufacturing plant, food processing facility, or material transport system, this gearmotor is engineered to deliver consistent performance with minimal maintenance, helping operators maximize productivity and reduce operational costs. With its blend of **durability, efficiency, and adaptability**, the Regal Rexnord 704-483 remains a trusted workhorse in industrial automation, proving that superior engineering can drive long-term reliability in even the most demanding applications.

### **Pros and Cons of buying a Rexnord UNICO 704-483 (704483) Coupling**

1. **High Torque Capacity** The UNICO 704-483 is designed to handle high torque loads, making it suitable for heavy-duty applications such as industrial machinery, conveyors, and power transmission systems.

2. **Durable Construction** Rexnord couplings are known for their robust build quality, often featuring forged steel components, hardened springs, and precision-machined parts that resist wear and fatigue over time.

3. **Flexible Design** The flexible nature of this coupling allows for misalignment compensation, reducing stress on connected shafts and extending the lifespan of associated equipment.

4. **Low Maintenance** As a non-lubricated (dry-running) coupling, it eliminates the need for frequent greasing or lubrication, reducing downtime and maintenance costs.

5. **Wide Compatibility** The 704 series is designed to fit various shaft sizes and configurations, making it versatile for different applications.

6. **Reliability in Harsh Environments** Rexnord couplings are often used in demanding conditions, including high-temperature, dusty, or corrosive environments, where other couplings may fail.

7. **Backed by Rexnord s Reputation** Rexnord (now part of Emerson) is a well-established manufacturer with a strong track record in power transmission components, ensuring quality and availability of spare parts.

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1. **Higher Initial Cost** Compared to some generic or lower-end couplings, the Rexnord UNICO 704-483 may have a higher upfront purchase price.

2. **Limited Availability of Aftermarket Parts** While Rexnord parts are reliable, finding exact replacements or aftermarket alternatives may be more difficult than for more common coupling brands.

3. **Potential for Overkill in Light-Duty Applications** If the application does not require high torque or misalignment compensation, a simpler (and cheaper) coupling might suffice.

4. **Sensitivity to Overloading** While durable, excessive torque beyond the coupling s rated capacity can still cause premature failure, so proper sizing is critical.

5. **Installation Complexity** Some users may find the installation slightly more involved due to its precision-machined components, requiring proper alignment and torque specifications.

6. **Noise in Some Cases** Flexible couplings can sometimes generate slight operational noise, though this is usually minimal in well-maintained systems.

7. **Potential for Misalignment Fatigue** If the coupling is subjected to excessive or uncompensated misalignment over time, it may experience wear in the flexible elements.

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### **Conclusion**

The **Rexnord UNICO 704-483 (704483)** is a high-quality, durable coupling ideal for **heavy-duty, high-torque applications** where reliability and misalignment compensation are critical. Its low-maintenance design and robust construction make it a strong choice for industrial environments, though its higher cost may not be justified for lighter-duty uses.

If your application involves **conveyors, pumps, compressors, or other machinery requiring precise torque transmission and flexibility**, this coupling is a **recommended purchase**. However, if budget constraints or simpler requirements exist, alternatives like **grid couplings, gear couplings, or elastomeric couplings** may be more cost-effective without sacrificing performance.

- Your application demands high torque capacity and misalignment tolerance.

- You operate in a high-durability environment where reliability is paramount.

- You can justify the higher initial cost with long-term operational benefits.

- Your application is low-torque or does not require flexible coupling features.

- Cost efficiency is a priority, and a simpler coupling would suffice.

- You need easier availability of aftermarket parts or lower maintenance complexity.

Details:

Sells new and surplus product develops channels to purchase such. 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. All products are guaranteed to be working but may show signs of use if purchasing a used product.

REGAL REXNORD 704-483 / 704483 USED CONVERTER I/O INVERTER MODULE.

part #: 704483 prices

• $140.00-$150.00

specifications sensoindustria:

• brand: Unico
• mpn: 704-483

payments sensoindustria:

• credit card: Discover
• wallet: Apple-pay
• other

seller sensoindustria:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 202303
• rating: 99.7%

offer sensoindustria:

• started: May 3, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock

returns sensoindustria:

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

general sensoindustria:

• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
• condition: Used

shipping sensoindustria:

• service: Standard
• class: Standard
• type: Fixed
• transit: 31-35 Days
• cost: $12.90

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