BOSTON GEAR FSP5A Planetary Motor Multiplier T267746

( Brand: Boston Gear ), ( Manufacturer Part Number: FSP5A ), ( Part Type: Motor )

Review BOSTON GEAR Planetary Motor Multiplier

The **Boston Gear FSP5A Planetary Motor Multiplier (Part #T267746)** is a high-performance, precision-engineered power transmission solution designed to deliver exceptional torque multiplication and efficiency in demanding industrial applications. Part of Boston Gear s robust **FSP series**, this compact yet powerful planetary gearmotor multiplier is engineered to enhance the output of electric motors by converting lower-speed, higher-torque input into a slower, significantly more powerful rotational force. With a **5:1 gear ratio**, it ensures reliable and consistent performance across a wide range of industries, including material handling, robotics, automation, and conveyor systems, where space constraints and high torque requirements demand a versatile and durable solution.

Constructed from high-quality materials, the FSP5A features a **helical planetary gear design**, which minimizes backlash, reduces noise, and maximizes efficiency critical factors in applications requiring smooth, precise motion control. The robust housing, typically made from cast iron or steel, provides superior structural integrity, ensuring longevity even under heavy loads and continuous operation. Its **flanged output shaft** allows for easy integration with various drive systems, while the **input shaft** is designed to accommodate standard motor sizes, making installation straightforward and adaptable to existing setups.

One of the standout features of this multiplier is its **compact footprint**, which makes it ideal for applications where space is limited but high torque output is essential. The sealed design ensures protection against dust, debris, and moisture, contributing to extended operational life and reduced maintenance requirements. Additionally, the FSP5A is engineered for **high efficiency**, with minimal energy loss during power transmission, making it an economical choice for both short-term and long-term use. Whether used in automated assembly lines, conveyor systems, or precision robotics, this gearmotor multiplier delivers the reliability and performance needed to meet the most rigorous industrial demands.

### **Boston Gear FSP5A Planetary Motor Multiplier (T267746) Pros and Cons**

#### **Pros**

1. **High Torque Output** Planetary gear systems are known for their ability to deliver high torque at low speeds, making this motor ideal for applications requiring substantial rotational force, such as industrial machinery, conveyors, or heavy-duty automation.

2. **Compact and Efficient Design** The planetary gear arrangement allows for a smaller footprint compared to traditional parallel-shaft gearboxes while maintaining high efficiency. This makes it suitable for space-constrained applications.

3. **Durability and Reliability** Boston Gear is a well-established manufacturer with a reputation for robust, long-lasting gearboxes. The FSP5A series is designed for continuous duty, reducing maintenance needs in industrial settings.

4. **Wide Speed Reduction Range** The gear ratio (likely around 5:1, depending on configuration) allows for precise speed control, enabling the motor to match the requirements of various mechanical systems without needing additional gearing.

5. **Backlash Control** Planetary gearboxes generally offer lower backlash compared to other designs, which is beneficial for applications requiring precise positioning or smooth operation.

6. **Compatibility with Standard Motors** The FSP5A is designed to be mounted directly to standard NEMA or IEC motors, simplifying integration into existing systems.

7. **Good Efficiency** Planetary gearboxes typically have higher mechanical efficiency (often 95% or higher) compared to some other gear types, reducing energy loss in power transmission.

8. **Versatile Applications** Suitable for a range of industries, including material handling, robotics, medical equipment, and automation, due to its balance of torque, speed, and compactness.

---

#### **Cons**

1. **Higher Initial Cost** Compared to simpler gearboxes or direct-drive motors, planetary gearboxes like the FSP5A tend to be more expensive upfront. This may be a barrier for budget-sensitive applications.

2. **Complexity in Maintenance** While durable, planetary gearboxes require proper lubrication and occasional inspection. Improper maintenance can lead to premature wear or failure, especially in dusty or contaminated environments.

3. **Sensitivity to Overloading** Exceeding the rated torque or operating outside specified parameters (e.g., temperature, speed) can damage the gear teeth or bearings, leading to costly repairs or replacement.

4. **Limited Customization** Unlike some gearbox manufacturers, Boston Gear may offer fewer options for non-standard configurations, ratios, or mounting styles, which could restrict flexibility in certain designs.

5. **Noise and Vibration** While generally quiet, planetary gearboxes can produce some noise and vibration, particularly at high speeds or under heavy loads. This may require additional damping or isolation in sensitive applications.

6. **Dependence on Motor Matching** The performance of the gearbox is directly tied to the motor it s paired with. Mismatching motor torque or speed ratings can lead to inefficiencies or mechanical stress.

7. **Potential for Backlash in Some Configurations** While planetary gearboxes minimize backlash, certain setups or wear over time can introduce it, affecting precision in applications like CNC machines or robotic arms.

8. **Limited Availability of Spare Parts** As a specialized component, finding replacement parts or service providers may be more difficult than for more common gearbox types.

---

### **Conclusion**

The **Boston Gear FSP5A Planetary Motor Multiplier** is a high-performance gearbox well-suited for applications demanding **high torque, compactness, and reliability**. Its strengths lie in its efficiency, durability, and precision, making it ideal for industrial automation, material handling, and robotics. However, its **higher cost, maintenance requirements, and sensitivity to overloading** may pose challenges for cost-sensitive or low-torque applications.

If your project requires **precise speed reduction, space efficiency, and long-term reliability** particularly in heavy-duty or continuous-operation environments the FSP5A is a strong choice. For applications where **cost, simplicity, or low torque** are prioritized, alternatives like helical or worm gearboxes may be more appropriate.

### **Recommendation**

- You need **high torque at low speeds** in a compact form factor.

- Your application involves **industrial automation, conveyors, or robotics** where durability and efficiency are critical.

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

- Your budget is tight, and a simpler gearbox (e.g., helical or parallel-shaft) will suffice.

- The application requires **extreme precision with minimal backlash**, and you may need to invest in additional damping systems.

- You anticipate **frequent motor or load changes**, making the FSP5A s fixed ratio less flexible.

For most **industrial or high-torque applications**, the FSP5A is a **reliable and efficient choice**, provided proper installation, lubrication, and maintenance are followed. Always verify the specific gear ratio, motor compatibility, and environmental conditions to ensure optimal performance.

Details:

Glad you stopped by. 30 Day Warranty. Open to Making Bulk Deals. We proudly sell hard-to-find parts, components, and machines to makers manufacturers.

Extra Information:: The Boston Gear FSP5A also known as the FSP-5-A is a Planetary Motor Multiplier. Reference Number:T267746. This is a specialized Gear head designed to be sandwiched between NEMA 56C motor and standard reducer like the Boston Gear 700 Series. Rush Orders Ship Same Day.

part #: fsp5a prices

• $204.36-$800.00

specifications oelemot:

• brand: Boston Gear
• mpn: Fsp5a
• part type: Motor

seller oelemot:

• # reviews: 21223
• city: El Paso, Texas
• rating: 99.7%

returns oelemot:

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

payments oelemot:

• other
• credit card: Mastercard
• wallet: Google-pay

offer oelemot:

• best offers: True
• started: February 24, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home

shipping oelemot:

• class: Standard, Expedited, One-day
• type: Calculated
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• cost: $15.29
• transit: 4-8 Days
• carrier: UPS

general oelemot:

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

Boston Gear FSP5A Is Similar To:

• 33-921-675 Boston Gear Motor (42.5% similar) Items include only what you see in the photo, if need an accessory that is not pictured ask. If are looking to combine shipping, please send a note through. Shipping costs are based on rate, packaging material, etc. This item is to be installed and maintained by qualified individuals...(August 24th, 2017)
• 34f47-883 Boston Gear Cat New Older Dp (44.4% similar) New, older stock. Boston Gear 34F47-883 cat GU-b...(July 11th, 2018)
• 35j73-87 Boston Gear Model Hp Phase Frame Motor (48.5% similar) Please as soon you can to resolve any problems. They come here from factories that have been closed or other similar situations...(September 9th, 2018)
• 45050 Boston Gear Cbc56-12 Clutch (32.9% similar) Marketing, listing apps, application. Boston Gear CBC56-12 clutch brake CBC5612 new manufacturer: Gear model: 45050 type: new, in working condition. This item is new...(November 6th, 2017)
• 5kh32dn454g General Electric Used Ge Boston Gear Hp Motor Shaft (36.5% similar) Used ge Boston Gear 5KH32DN454G 1/6 hp, 1P, electric motor Cr-g, 5/8 shaft. I take pictures of all my own items, and don't just use stock. So I have not used everything on a daily basis. I try to describe everything as best can. So I am selling it now. I try to test most of the items, but might miss...(December 3rd, 2018)
• 66246 Baldor Boston Gear Ac Motor (42.4% similar) After the return period has ended, you can no longer product. Temp degree c: 40 Norma Nome eff:: 78. 15 rating: cont insulation class: b ABM. We choose the carrier. Need it urgently. Next day second air services are available. We get hundreds of items in daily, if don't have it today check back ...(September 26th, 2018)
• Bfkwa726100ktb5h Boston Gear Motor New In Box (41.2% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(May 19th, 2018)
• Boston Gear Pm950atf-i Variable Speed Dc Motor Rpm Varm Type Ph (48.7% similar) Shaft extends out from housing 2 inches. No other parts or accessories. Shaft diameter. Used shelf spare. Boston Gear PM950ATF-I variable speed dc motor 1725 rpm, 1/2 hp, arm 90, type pH recheck model number please this offer is for. Please for shipping quote. Please scroll down for large photos. ...(August 18th, 2018)
• Ertf-b Boston Gear Motor Spec Frame New (46.2% similar) 3 bearings DE 6203 ode 6203ENCL TEFL Sn w sofa 1725FRAME 56CHZ 60PH 1SER. 25CODE jades class enema Nome. Frat-b 66219SPEC. 34K35-5422HP 1/2 volts 115 230AMPS 66 rating 40C ABM-cont usable at 208V PO...(June 15th, 2018)
• F326-15-j1 Boston Gear Flanged Reducer Nnb (46.8% similar) Part: F326-15-J1 prices...(April 27th, 2018)
• F713-30-b5-g Boston Gear Speed Reducer (40% similar) Clearance priced. New old stock. Boston Gear F713-30-B5-G speed reducer. See photos for specs and cad drawings...(August 8th, 2017)