RELIANCE ELECTRIC 0820-02-045 Splined Shaft Motor E660 0660-02-045

( Brand: Reliance Electric ), ( Manufacturer Part Number: 0820-02-045 ), ( Model: E660 ), ( Part Type: Shaft Motor ), ( Current Type: Dc ), ( Rated Load: Hp ), ( Shaft Type: Splined ), ( Nominal Rated Input Voltage: 90 V )

Review RELIANCE ELECTRIC Splined Shaft Motor Industrial

The **Reliance Electric 0820-02-045 E660 Splined Shaft Motor (Model 0660-02-045)** is a robust, high-performance electric motor designed for demanding industrial applications requiring precision, durability, and reliable torque transmission. Part of Reliance Electric s trusted E660 series, this motor combines advanced engineering with a compact yet sturdy construction, making it ideal for machinery where space efficiency and performance are critical. Featuring a **splined shaft output**, this motor ensures seamless integration with gearboxes, couplings, or other mechanical components, reducing alignment issues and enhancing overall system efficiency. The splined design also allows for quick and secure attachment, minimizing downtime during maintenance or installation.

Built with a **TEFC (Totally Enclosed Fan-Cooled)** enclosure, the motor is engineered to operate in harsh environments, protecting internal components from dust, debris, and moisture while maintaining optimal thermal performance. The robust housing, typically constructed from high-grade cast iron or steel, provides exceptional resistance to mechanical stress and vibration, ensuring longevity even under continuous heavy loads. Reliance Electric s reputation for precision engineering is evident in the motor s tight tolerances and high-quality bearings, which contribute to smooth operation and extended service life.

The **0660-02-045** model is part of the E660 series, known for its versatility and adaptability to various industrial applications, including conveyors, pumps, compressors, and material handling systems. With a **NEMA 4 or 4X-rated** enclosure (depending on the specific variant), this motor is well-suited for environments exposed to corrosive elements, such as chemical plants, food processing facilities, or outdoor installations. The motor s efficient cooling system, featuring an integrated fan, ensures consistent performance even under prolonged operation, reducing the risk of overheating and thermal degradation.

One of the standout features of this motor is its **splined shaft design**, which eliminates the need for additional coupling mechanisms, simplifying the mechanical interface and reducing potential points of failure. The splines provide a secure, non-slip connection to driven equipment, improving torque transfer and operational reliability. Additionally, the motor s **standardized mounting dimensions** align with common industry practices, making it compatible with a wide range of gear reducers and mechanical assemblies without requiring custom modifications.

Reliance Electric s commitment to quality is reflected in the motor s **high-efficiency motor design**, which minimizes energy consumption while delivering optimal power output. This makes the **0820-02-045 E660** an economical choice for facilities looking to reduce operational costs without compromising performance. The motor s **low-maintenance construction** further enhances its appeal, as it requires minimal upkeep compared to traditional motors, reducing labor costs and downtime.

Whether integrated into a conveyor system, a packaging machine, or an industrial pump, this motor delivers **consistent, high-torque performance** with minimal vibration and noise. Its **durable construction, precise engineering, and reliable operation** make it a preferred choice for engineers and maintenance teams seeking a dependable power solution. With Reliance Electric s reputation for innovation and durability, the **0660-02-045 splined shaft motor** stands as a testament to the brand s commitment to delivering motors that meet the rigorous demands of modern industrial applications.

### **Pros and Cons of buying a Reliance Electric 0820-02-045 (E660 Splined Shaft Motor 0660-02-045)**

1. **Compatibility and Fit** This motor is specifically designed for the **E660 series** of Reliance Electric gearmotors, ensuring a seamless fit with splined shaft connections. It is a direct replacement for the **0660-02-045** model, reducing compatibility issues.

2. **Reliability and Brand Reputation** Reliance Electric (now part of Emerson) has a long-standing reputation for manufacturing high-quality industrial motors. These motors are built to withstand heavy-duty applications, offering durability and consistent performance.

3. **Energy Efficiency** Modern Reliance Electric motors are designed with efficiency in mind, often incorporating advanced winding and insulation technologies to reduce energy consumption while maintaining power output.

4. **Aftermarket Availability** Since this is a widely used industrial component, replacement parts, technical support, and service manuals are relatively easy to find. This makes maintenance and troubleshooting more straightforward.

5. **Compatibility with Control Systems** Reliance Electric motors are often designed to work seamlessly with their own control systems (e.g., variable frequency drives, VFDs). If you already have a Reliance control setup, this motor will integrate smoothly.

6. **Long Lifespan** With proper maintenance, these motors can last **20 years**, making them a cost-effective long-term investment for industrial applications.

7. **Technical Support and Warranty** Reliance Electric (Emerson) provides technical documentation, warranties, and customer support, which can be valuable for troubleshooting or replacement claims.

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1. **Cost** As a **brand-name industrial motor**, this part can be **more expensive** than generic or aftermarket alternatives. Prices may range from **$500 to $1,500 **, depending on availability and supplier.

2. **Lead Times** Due to their specialized nature, these motors may not be in stock immediately. Ordering from authorized distributors (e.g., Grainger, McMaster-Carr, or Emerson s official channels) could result in **weeks-long wait times**.

3. **Obsolescence Risk** While still in production, some older Reliance Electric models may eventually be discontinued. If you need spares for an older machine, ensure the motor is still supported before purchasing.

4. **Complex Installation** If you lack experience with **splined shaft motors**, installation (especially alignment with the gearbox) can be tricky. Improper installation may lead to premature wear or failure.

5. **Maintenance Requirements** Like all industrial motors, this unit requires **regular lubrication, cooling checks, and electrical inspections** to prevent downtime. Neglecting maintenance can reduce its lifespan.

6. **Potential Counterfeit Risks** When buying from third-party sellers (e.g., eBay, Alibaba), there is a risk of receiving **fake or refurbished parts** that may not meet original specifications. Always verify the seller s reputation and authenticity.

7. **Limited Customization** Unlike some OEM motors, Reliance Electric s standard models offer **few customization options** in terms of voltage, speed, or mounting configurations. If you need non-standard specifications, you may need to explore alternative brands.

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### **Conclusion**

The **Reliance Electric 0820-02-045 (E660 splined shaft motor 0660-02-045)** is a **high-quality, reliable replacement motor** ideal for industrial applications where **durability, efficiency, and compatibility** with existing systems are critical. Its **long lifespan and brand support** make it a strong choice for maintenance-replacement scenarios.

However, the **higher cost, potential lead times, and installation complexity** may be drawbacks for smaller operations or budget-conscious buyers. If you are working with an **older machine that requires exact-fit replacement**, this motor is likely the best option. For cost-sensitive applications, **comparing with aftermarket alternatives** (e.g., some ABB or Siemens equivalents) may be worth exploring.

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### **Recommendation**

- **Buy from an authorized distributor** (e.g., Grainger, Emerson s website, or a trusted industrial supplier) to ensure **authenticity and warranty coverage**.

- **Verify compatibility** with your existing gearbox and control system before purchasing.

- **Consider refurbished or remanufactured options** if budget is a concern, but ensure they come from a reputable source.

- **Budget for installation labor** if you lack experience with splined shaft motors misalignment can cause premature failure.

- **Check for newer alternatives** (e.g., Emerson s updated E660 series) if your application allows for minor modifications.

**Final Verdict:** If you need a **direct, high-performance replacement** for a Reliance Electric E660 system, this motor is a **solid choice**. For cost-sensitive or non-critical applications, explore **alternative brands or refurbished units** to balance quality and expense.

Details:

Tested on bench top power supply with good torque in both directions, no slop or play. TESTED brushed DC motor from the Z axis of a CNC lathe. Very smooth with no unusual noises.

part #: 082002045 prices

• $250.00-$899.94

specifications oelemot:

• brand: Reliance Electric
• mpn: 0820-02-045
• model: E660
• part type: Shaft Motor
• current type: Dc
• rated load: Hp
• shaft type: Splined
• nominal rated input voltage: 90 V

returns oelemot:

• policy: No Returns

shipping oelemot:

• transit: 5-12 Days
• carrier: USPS
• cost: $54.89
• type: Calculated
• service: USPS Ground Advantage
• class: Standard

general oelemot:

• condition: Used
• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors

seller oelemot:

• rating: 0.0%
• # reviews: 3
• city: McCall, Idaho

offer oelemot:

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

payments oelemot:

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

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