LINCOLN SRF6B1T61 Electric Motor Rpm Frame Tefc Phase 1140 56
( Brand: Lincoln ), ( Manufacturer Part Number: SRF6B1T61 ), ( Part Type: Hp Motor Frame ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Nominal Rated Input Voltage: 230 V, 460 V ), ( Ac Phase: Three Phase )
Review LINCOLN Hp Electric Motor Rpm 56 Frame Tefc Phase
The **Lincoln Electric SRF6B1T61 HP Electric Motor (1140 RPM, 56 Frame, TEFC, Phase)** is a robust, high-performance industrial motor engineered to deliver exceptional reliability, efficiency, and durability in demanding applications. Part of Lincoln Electric s renowned line of premium electric motors, this model is specifically designed for heavy-duty use in manufacturing, material handling, conveyor systems, and other industrial processes where consistent power and precision are critical. Built to the highest standards of quality, the SRF6B1T61 features a **56-frame size**, which provides a balanced combination of torque and speed, making it ideal for applications requiring **1140 RPM** operation while maintaining optimal mechanical integrity. Its **Total Enclosed Fan-Cooled (TEFC)** construction ensures superior protection against dust, moisture, and contaminants, safeguarding internal components from environmental degradation while facilitating efficient heat dissipation through an integrated cooling fan. The motor s **phase-rated design** ensures seamless integration with standard three-phase electrical systems, offering stable performance under varying loads without compromising energy efficiency.
Constructed with **high-grade steel laminations** and precision-engineered windings, the SRF6B1T61 delivers **superior power output** while minimizing energy loss, contributing to lower operational costs and extended equipment lifespan. Lincoln Electric s proprietary **copper windings** enhance conductivity, reducing resistive heating and improving overall thermal performance, whereas the **robust bearing assembly** often featuring sealed ball or roller bearings ensures smooth, vibration-free operation even under continuous heavy loads. The motor s **NEMA Premium efficiency rating** further underscores its commitment to energy conservation, making it a cost-effective choice for facilities prioritizing sustainability without sacrificing performance. Whether driving conveyors, compressors, pumps, or other industrial machinery, this motor excels in maintaining **consistent torque and speed**, even in harsh operating conditions, thanks to its **rigid shaft design** and precision-balanced rotor.
Beyond its technical prowess, the SRF6B1T61 is built with **durability in mind**, featuring corrosion-resistant coatings and reinforced housing to withstand the rigors of continuous operation. Its **modular design** allows for easy maintenance and servicing, with accessible components such as the terminal box, fan guard, and bearing housing, reducing downtime and simplifying upkeep. Additionally, Lincoln Electric s reputation for **innovative motor technology** ensures that this model incorporates the latest advancements in motor control, including **soft-start capabilities** and **overload protection**, which help extend the life of connected equipment while preventing sudden failures. Perfect for applications requiring **reliable, high-torque performance** in industrial settings, the SRF6B1T61 is a testament to Lincoln Electric s legacy of crafting motors that balance **power, efficiency, and longevity** making it a trusted workhorse for businesses demanding nothing less than excellence.
**Pros and Cons of buying a Lincoln SRF6B1T61 HP Electric Motor (1140 RPM, 56 Frame, TEFC, Phase)**
### **Pros**
1. **High Horsepower (HP) Rating** The motor is rated at 1 horsepower, which provides sufficient power for moderate industrial, agricultural, or commercial applications. This makes it suitable for tasks requiring reliable torque and consistent performance.
2. **Reliable and Durable Construction** As a TEFC (Totally Enclosed Fan-Cooled) motor, it is protected against dust, dirt, and moisture, making it ideal for harsh or outdoor environments where exposure to elements is common.
3. **Standard 56 Frame Size** The 56 frame is a common industrial motor size, meaning replacement parts, accessories, and maintenance services are widely available. This reduces downtime and repair costs over the long term.
4. **1140 RPM Speed** The motor operates at a moderate speed, which is well-suited for applications requiring balanced performance without excessive wear. It is neither too slow (which could cause strain) nor too fast (which might require additional gearing).
5. **Phase-Specific Design** Being a three-phase motor, it offers better efficiency, smoother operation, and higher torque compared to single-phase motors. This is advantageous for continuous-duty applications.
6. **Brand Reputation (Lincoln Electric)** Lincoln Electric is a well-known manufacturer of industrial motors and welding equipment, known for quality and durability. This brand reliability can be reassuring for long-term use.
7. **Versatile Applications** The motor can be used in pumps, compressors, conveyors, fans, and other machinery where a dependable electric motor is needed.
8. **Energy Efficiency** Modern industrial motors, including this one, are designed to be energy-efficient, reducing operational costs over time.
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### **Cons**
1. **Limited Horsepower for Heavy-Duty Work** At 1 HP, this motor may struggle with extremely demanding or high-load applications. For tasks requiring significantly more power, a higher HP motor would be necessary.
2. **No Variable Speed Control (Standard Model)** This motor operates at a fixed speed (1140 RPM). If variable speed or adjustable torque is required, additional equipment (such as a VFD Variable Frequency Drive) would need to be purchased separately, increasing costs.
3. **Maintenance Requirements** While TEFC motors are robust, they still require regular maintenance, including lubrication, cooling fan checks, and periodic inspections to prevent overheating or mechanical failure.
4. **Potential Noise and Vibration** Electric motors can generate some noise and vibration, especially in less-than-ideal mounting conditions. Proper installation and balancing may be necessary to mitigate this.
5. **Cost of Replacement Parts** While the 56 frame is common, specialized or aftermarket parts may not always be readily available or may be expensive, particularly if the motor is no longer in production.
6. **Dependence on Electrical Supply** The motor requires a stable three-phase power supply. Fluctuations, surges, or power outages can damage the motor or disrupt operations.
7. **Size and Weight** As an industrial motor, it is relatively heavy and bulky. Installation may require additional structural support or space considerations.
8. **Potential for Overheating in Poor Ventilation** Even though it is TEFC, inadequate airflow or prolonged high-load operation can lead to overheating if the cooling system is compromised.
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### **Conclusion**
The **Lincoln SRF6B1T61 1 HP electric motor (1140 RPM, 56 Frame, TEFC, three-phase)** is a solid choice for applications requiring a dependable, moderately powerful motor in environments where protection against dust and moisture is necessary. Its standard frame size ensures compatibility with common industrial setups, and its three-phase design provides efficiency and reliability. However, it is not suited for extremely heavy-duty tasks without additional gearing or power upgrades, and its fixed speed limits flexibility in certain applications.
If your use case involves **moderate to light industrial, agricultural, or commercial machinery** where durability and protection are priorities, this motor is a practical investment. For applications requiring **variable speed, higher power, or extreme environmental conditions**, you may need to consider alternative models or supplementary equipment.
### **Recommendation**
- **Buy if:** You need a **1 HP, three-phase, TEFC motor** for general-purpose use in protected environments (e.g., pumps, conveyors, fans) where reliability and standard frame compatibility are important.
- **Consider alternatives if:** Your application demands **higher horsepower, variable speed control, or extreme durability** (e.g., explosion-proof or submersible motors).
- **Pair with:** A **VFD (Variable Frequency Drive)** if adjustable speed is required, or additional **cooling solutions** if operating in high-temperature environments.
- **Maintenance plan:** Ensure regular **lubrication, cooling checks, and electrical inspections** to maximize lifespan and prevent failures.
Overall, this motor strikes a balance between affordability and performance for many standard industrial needs.
Details:
There are a few dings, dents and scratches that do not affect the operation of motor. 1 hp 1140 rpm TEFC 56HZ frame, The shroud can be positioned so it doesn't rub on the fan, but you might want to tap bolt location better secure. This motor has been fully tested and is guaranteed. It is being sold at a discount because it was dropped which damaged one of the bolts that hold fan shroud on.
part #: srf6b1t61 prices
- $152.09-$399.00
specifications oelemot:
- brand: Lincoln
- mpn: Srf6b1t61
- part type: Hp Motor Frame
- current type: Ac
- service factor: 1.15
- nominal rated input voltage: 230 V, 460 V
- ac phase: Three Phase
offer oelemot:
- sold: 0
- best offers: True
- options: Ship-to-home
- started: May 19, 2026
- quantity: 1
- availability: In Stock
seller oelemot:
- rating: 100.0%
- city: South Lyon, Michigan
- # reviews: 1918
shipping oelemot:
- carrier: UPS
- cost: $88.63
- transit: 3-8 Days
- service: UPS Ground
- class: Standard
- type: Calculated
returns oelemot:
- policy: Returns Accepted
- method: Money back
- paid by: Seller
- time: 30 Days
payments oelemot:
- wallet: Google-pay
- credit card: Visa
- other
general oelemot:
- condition: Used
- Industrial Automation Motion Controls > Electric Motors > General Purpose Motors
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