
303039M Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $155.49 | Condition is New, PEMS 303039M 115V 1/20HP 1100RPM 1PH CWSE, FREE SHIPPING | 99.7% |
![]() | $155.50 | Condition is New, 303039M PEMS Motor 1100 RPM 115V 60hz for Greenheck SP-216 SP-A12 Exhaust Fan, FREE SHIPPING | 99.8% |

The PEMs 303039M 1100 RPM CW Shaft Rotation Sleeve Bearing Exhaust Fan Motor is a high-performance, reliable solution for your exhaust ventilation needs. This motor is designed with a sleeve bearing, which allows for continuous operation with minimal maintenance. The bearing is specifically engineered to reduce friction and wear, ensuring the motor operates smoothly and efficiently.
The motor has a rated power of 1100 watts and a shaft rotation of counterclockwise (CW). It operates at a constant speed of 1100 RPM, making it suitable for applications where a consistent airflow is required. The motor's sleeve bearing design also allows for easy installation and replacement, as the bearing does not need to be pressed onto the shaft.
The PEMs 303039M 1100 RPM CW Shaft Rotation Sleeve Bearing Exhaust Fan Motor is constructed from high-quality materials, including a cast aluminum housing and a copper-wound stator. The housing is designed to dissipate heat efficiently, keeping the motor cool during operation. The copper-wound stator ensures optimal power transfer from the electrical supply to the rotor, resulting in maximum motor efficiency.
This motor is also designed with a robust shaft and a reinforced impeller, ensuring it can handle the demands of exhaust ventilation applications. The motor's durable construction and sleeve bearing design make it a reliable and long-lasting solution for your exhaust fan needs.
In summary, the PEMs 303039M 1100 RPM CW Shaft Rotation Sleeve Bearing Exhaust Fan Motor is a high-performance, reliable, and easy-to-install solution for your exhaust ventilation requirements. Its sleeve bearing design reduces friction and wear, ensuring smooth and efficient operation. The motor's robust construction, including a cast aluminum housing, copper-wound stator, and reinforced impeller, make it a durable and long-lasting solution. With a rated power of 1100 watts and a constant speed of 1100 RPM, this motor is suitable for applications where consistent airflow is required.
The PEMs 303039M 1100 RPM CW Shaft Rotation Sleeve Bearing Exhaust Fan Motor is a common type of motor used in various industrial applications, particularly for exhaust fans. Here are some potential pros and cons of buying this motor:
Pros:1. Reliable Performance: Sleeve bearing motors are known for their robustness and reliability. They can handle heavy loads and operate in tough environments, making them suitable for exhaust fan applications.
2. Easy Maintenance: The sleeve bearing design allows for easy maintenance since the bearing is exposed and can be lubricated without disassembling the motor.
3. Cost-Effective: Compared to other types of bearings, sleeve bearings are generally less expensive, making this motor a cost-effective option for many industrial applications.
Cons:1. Higher Friction: The sleeve bearing design has higher friction compared to other types of bearings, which can lead to increased energy consumption and potential overheating if not properly maintained.
2. Shorter Lifespan: The sleeve bearing design is subject to wear and tear, particularly in applications with high loads or contaminated environments. This can result in a shorter lifespan for the motor compared to other types.
3. Noise: Sleeve bearings can be noisier than other types of bearings due to the increased friction and wear. This can be a concern for applications where noise levels need to be minimized.
Conclusion:The PEMs 303039M 1100 RPM CW Shaft Rotation Sleeve Bearing Exhaust Fan Motor is a reliable and cost-effective option for many industrial exhaust fan applications due to its robust design and easy maintenance. However, it comes with some potential drawbacks, including higher friction, shorter lifespan, and increased noise levels. If noise levels are a major concern or if the application involves heavy loads or contaminated environments, it may be worth considering other types of motors with more advanced bearing designs.
Recommendation:If you are looking for a reliable and cost-effective option for an industrial exhaust fan application, the PEMs 303039M 1100 RPM CW Shaft Rotation Sleeve Bearing Exhaust Fan Motor is a solid choice. However, if noise levels are a major concern or if the application involves heavy loads or contaminated environments, it may be worth considering other types of motors with more advanced bearing designs, such as ball bearings or roller bearings. Consult with a motor expert or the motor manufacturer to determine the best option for your specific application.
Details:
With a 0.05 hp motor running at 1100 rpm, this operates on 115 volts , 60 hz, and draws only 0.60 amps perfect for compact or energy-efficient systems.it features 5/16in diameter shaft 4-3/8in length with flat, counterclockwise cw rotation when viewed from the end. Rotation: clockwise cw facing shaft end. Key features bearings: sleeve type. Application: exhaust fans, ventilation equipment.
The foot mounts are positioned 3-1/4 inches from the shaft for straightforward installation into compatible exhaust fan systems. 303039M 1100 rpm cw shaft rotation sleeve bearing exhaust fan motor, the 303039 green heck motor is designed for reliable, efficient performance in ventilation and exhaust fan applications. Built with sleeve bearings and 22-inch leads, this motor offers easy wiring smooth operation.
specifications maxohvac:
- brand: Pems
- mpn: 303039m
- part type: Fan Motor
- compatible equipment type: Exhaust Fans, Ventilation Equipment
- custom bundle: No
- warranty: 1 Year
- horsepower: 0.05 Hp
- voltage: 115 V
- amperage: 0.60 Amps
- frequency: Hz
- speed: Rpm
- rotation direction: Clockwise
- diameter: 0.31 In
- length: 4.37 In
- shaft type: Flat Shaft
- bearing type: Sleeve Bearings
- mounting type: Foot Mount
- mounting distance: 3.25 In
- phase: Single Phase
payments maxohvac:
- other
- wallet: apple-pay
- credit card: diners-club
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- # reviews: 9253
- city: middleton, michigan
- rating: 99.0%
shipping maxohvac:
- transit: 6-9 days
- class: standard
- type: fixed
- service: standard
returns maxohvac:
- time: 30 days
- method: money back
- policy: returns accepted
- paid by: seller
offer maxohvac:
- sold #: 15
- options: ship-to-home
- started: august 28, 2025
- in stock #: 2
- availability: in stock
- prices: $155.49–$155.50
- item condition: New

