The introduction of the development of the Backward Centrifugal Fan For Hutch, EC Low Noise Exhaust Fan, shaded pole single phase induction motor and sophisticated equipment has resulted in an unparalleled product sales situation. The spirit of innovation is the essence of our culture, and learning is the power source of innovation. Our company has established good partnership with enterprises all over the world with our excellent reputation in long-term management, and our import and export volume has been growing rapidly. These professionals work in close coordination with each other to offer our clients an effective range of products. We take the market as the guidance, firmly establish the concept that the customer is the life of the enterprise, and start everything from the customer demand.
Design Features That Enhance Durability
A. High-Quality Ball Bearings
Ball bearings reduce friction and wear between moving parts, enhancing smooth rotation. Made from durable materials like steel or ceramics, they offer high strength, rust resistance, and long-lasting performance. Their design minimizes loosening and heat generation, extending service life. In contrast, sleeve bearings rely on lubricant to reduce friction but wear out over time, leading to increased heat and faster wear. Although ball bearings are more expensive initially, they are energy-efficient, generate less heat, and require less maintenance, making them ideal for high-speed, precision applications. Sleeve bearings are cheaper but need more frequent replacements, making them suitable for simpler, lower-performance machines.
B. Advanced Shaft and Rotor Design
An advanced shaft design minimizes mechanical stress with high-strength materials, optimized shapes, and precision manufacturing. Features like surface treatments and low-friction coatings increase hardness, reduce friction, and prevent wear, extending the shaft's life. External rotor designs improve motor performance by enhancing cooling, reducing inertia, and evenly distributing load. This reduces stress on internal components like the shaft and bearings, improving stability, durability, and performance, especially in high-load applications.
Type | 25-50W Cast Iron Double feet Unit bearing motor |
Shaft | ¼" x 20 thread standard, Optional features include flatted end, smooth end, 5/16″diameter shaft. And rear shaft extension. |
Material | Cast Iron |
Bearing | Unit bearing |
Mounting | Five .150" diameter cored holes on rear (aluminum), three #8-36 drilled through and tapped (cast iron), and optional 2 side mounting bosses for pedestal mounting |
Operating Position | Horizontal shaft (+/- 15°), optional all-angle, or vertical shaft up |
Leads | Standard 18 gauge, 2 conductor. Lead cord may be terminated with 1/2" stripped wire, in-house molded plugs, eyelets, ¼" quick connects, or special terminals. Other customized lead options are available. |
Rotation | Clockwise as viewed from back or lead end of motor. Counter clockwise is available to meet client's requirements. |
Approvals | UL approval(E256488 and E221116), SASO approval |
Operating temperature | -20℃ to 50℃ |
Service life | More than 60000 hours |
Advantage | 25-50W Cast Iron Double feet Unit bearing motor will fit existing brackets used by GE, Morrill and A.O.Smith designed for quiet, efficient fan duty operation. The unit bearing motor significantly outperforms traditional shaded pole motor. With efficiencies three times higher than shaded pole motors, in addition to the reliable and quiet unit bearing design, our company provides users the most reliable and best energy savings solution for their applications. |
Performance parameter
MODEL | VOLTAGE V | FREQUENCY | OUTPUT W | CURRENTA | SPEED RPM | ROTATION Rot |
YJ25-115-C21 | 115 | 50/60 | 25 | 1.1 | 1300/1550 | CW |
YJ25-115-C22 | 115 | 50/60 | 25 | 1.1 | 1300/1550 | CCW |
YJ25-230-C21 | 230 | 50/60 | 25 | 0.6 | 1300/1550 | CW |
YJ25-230-C22 | 230 | 50/60 | 25 | 0.6 | 1300/1550 | CCW |
YJ35-115-C21 | 115 | 50/60 | 35 | 1.5 | 1300/1550 | CW |
YJ35-115-C22 | 115 | 50/60 | 35 | 1.5 | 1300/1550 | CCW |
YJ35-230-C21 | 230 | 50/60 | 35 | 0.76 | 1300/1550 | CW |
YJ35-230-C22 | 230 | 50/60 | 35 | 0.76 | 1300/1550 | CCW |
Product feature and application
(1) Product feature:
●Reliability
●Diversification of installation
●Specialized structure design
●A wide range of applications
●low noise
●Long service life
(2)Application
Our cast iron double feet unit bearing motors are primarily used in commercial refrigeration, condensing unit and unit heater, ice machine. They can be used in many applications demanding high efficiency and dependability with output ratings between 2-16 watts.
Enhanced Performance Characteristics
Unit bearing fan motors are designed for improved performance with features that reduce heat buildup, enhance efficiency, and extend motor life. They minimize vibrations and noise, lowering stress on components and improving reliability. The motor ensures stable electrical performance, protecting against power fluctuations, while steady torque reduces strain, leading to smoother operation and greater durability.
Corrosion-Resistant Materials
Corrosion-resistant materials such as stainless steel, aluminum, and special alloys are used in the motors to prevent rust and ensure durability. Protective coatings and sealed components offer additional defense against moisture and corrosive elements, which is crucial in humid or coastal environments. These materials help motors remain reliable, lower maintenance costs, and extend their lifespan.
The Manufacturing Process
The manufacturing process of high-performance motors relies on precision engineering, strict quality control, and continuous design innovations to ensure durability and reliability. High-precision manufacturing techniques reduce defects, improve component fit, and extend motor lifespan. Rigorous quality control measures, including detailed testing and inspections, ensure consistency and identify potential weaknesses before motors reach the market, enhancing overall durability. Innovations in motor design, such as optimized cooling systems, the use of durable materials, and smarter components, further enhance motor performance, reduce wear, and increase service life, ensuring reliable operation in various conditions.
Environmental Factors and Durability
Unit bearing fan motors are built to handle tough operating conditions, including high temperatures and variable loads, with heat-resistant components and advanced cooling systems. They are designed to withstand humidity, dust, and corrosion, thanks to sealed bearings and protective coatings. Motor protection features like overload and thermal protection prevent damage from excessive stress and overheating, extending the motor's life and ensuring reliable performance. These combined features improve the motor's durability and efficiency, even in harsh environments.
Maintenance and Longevity
Unit bearing fan motors offer significant maintenance advantages, requiring less upkeep than other motor types due to their sealed bearings, self-lubricating systems, and durable components. These features extend service intervals, reducing downtime and maintenance costs. Predictive maintenance systems, such as sensors and smart monitoring, help identify potential issues before they cause failure, enabling proactive repairs. Compared to sleeve bearing motors, unit bearing fan motors have a longer lifespan, often exceeding 20,000 hours of operation with minimal maintenance. Case studies in HVAC and industrial applications demonstrate their reliability and cost-effectiveness over time, making them a preferred choice for long-term performance.
Production details
Company profile
Founded in 1980, Ningbo lionball Ventilation Co., Ltd. is a key high-tech enterprise of the National Torch Program, which integrates product research and development, manufacturing and sales.Our company has passed ISO9001 quality management system certification and ISO14001 environmental management system certification.
"Lionball" brand after 40 years of precipitation, was awarded as a well-known trademark in Zhejiang Province.Our fan and motor products in the international industry has a high reputation and good reputation.Products are exported to the United States, Germany, Italy and other European and American countries as well as Brazil, Russia, other emerging industrial countries and other parts of the world.The main partners are Emerson, Panasonic and other world top 500 industry famous companies.The main products have passed the German VDE, the United States UL, Europe CE and RoHS and China CCC certification.
We are a professional Kitchen Extractor Fan Shaded Pole AC Motor with Ce Certificate manufacturing company integrating production, management, wholesale and retail. Our company has always been committed to pragmatic and efficient, pioneering, customer first principle, we will be a good reputation, quality products, reasonable prices, perfect service, dedicated to serving customers at home and abroad. We take the initiative to step out of our comfort zone, continue to learn and refine.
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