Product Description
Detailed Photos
Product Description
Our precision deep groove ball bearings are designed for high precision, low noise, small vibration, high reliability and long life. They are mainly used in various types of electric motors. They are also known as EMQ (Electric Motor Quality) bearings.
EMQ bearings are widely used in household appliances, toys, electric power tools, car motors and other fields. With optimal design, high reliability heat treatment, precision manufacturing processes and high-grade grease, these products perform better on reliability, vibration and noise levels than standard products making them more suitable for electric motor applications. These products can also be applied to most gearbox applications as well.
| Item | Screw Bearing Pulley | Closure type | ZZ/RS |
| OEM ODM | Technical drawing or sample is needed | d(mm) | 10 |
| Original | ZheJiang , China | D(mm) | 40 |
| Material | Chrome steel, Carbon steel, Stainless steel, etc. | B(mm) | 13 |
| Cage Material | Steel / Nylon | Number of row | single |
| Tolerance | P0 P6 P5 P2 P4 | Clearance | C0 C2 C3 C4 |
| Vibration | V1 V2 V3 | Noise | Z1 Z2 Z3 Z4 |
| MOQ | 1000 pcs | Application | Motor/electric/sliding/furniture accessories/ Skateboard/etc. |
| Feature | heavy-duty,adjustable,low noise, easy installation,sliding smoothly,long life,standard,customized,etc | Leading Time | According to the order q’ty |
Company Profile
ABOUT US
Haibite was set up in 1996 and located at HangZhou, a beautiful city in China, covering an area of 16000 square meters. Our company is bearing manufacturer&bearing distributor.
We have own factory that specialize in the production of bearings. We are in a good position to supply you high quality bearing, the finest price and customized service.
Since it was first established, CHINAMFG was dedicated in research, development and manufacture of bearings.
CHINAMFG deep groove ball bearing has numerous technical advantages, such as increased service life of bearing over a broad of operating temperature and all these combined with the highest level of cost effectiveness.
Now, CHINAMFG has become main and 1 of the first grade suppliers of all kinds of bearings. We could develop the products constructed from different materials, structures, shapes, colors etc.
1. Our bearing are in stable quality with smooth rotation, long life operation, small movement, advanced heat treatment etc.
2. The Balls with smooth and long lasting operation, higher performing features like wider adjustment ranges, long rolling life performance, easy installment. It’s adapt in multiple housing choices with any wheels to fit different aluminnum. Our bearing ensure alignment across the full adjustment ranges within built-in retention system.
3. If you need, we also could offer customized hardware service, like plastic parts, stamping patrs, cold forging steel patrs are widely applied in the window and doors, furniture, householders, transmission system, industrial drive system etc.
We are constantly improving and striving for excellent service. We hold a very high regard for our customers, the quality of our products, and our level of customer service.
Packaging & Shipping
Packaging Details
Packaging
A.Polybag +Box+Carton
B.B.Tube+Box+Carton
C.As per customer’s request
We have kinds of packages, such as plastic bags, cartons, special boxes. We use different packages based on the products and our customers’ requirements.
Port :HangZhou
Our Advantages
FAQ
If you have any other questions, please feel free to contact us as follows.
Q: Why did you choose us?
A. We provide the best quality bearings with reasonable price, low friction, low noise and long service life.
B. With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.
C. The best service provided by a well-trained international sales team.
Q: Do you accept small orders?
100% quality check, once your bearings are standard size bearings, even one, we also accept.
Q: Do you provide samples? Is it free or extra?
Yes, we can provide a small amount of free samples. Do you mind paying the freight?
Q: What should I do if I don’t see the type of bearings I need?
We have too many bearing series numbers. Sometimes we can’t put them all on web. Just send us the inquiry and we will be very happy to send you the bearing details.
Q: What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW;
Accepted Payment Currency: USD, EUR, JPY, CNY;
Accepted Payment Type: T/T, L/C, D/P, D/A
Language Spoken: English, Chinese;
Purchase Notice
1. Please send us an inquiry or leave us a message, there will be a dedicated staff to serve you within 1 hours.
2. You can ask us to take actual photos of the products for you, and free samples would be provide.
3. Welcome to visit our factory to negotiate orders, we will do our best to protect the safety of your business journey.
4. Packaging can be customized according to customer requirements.
Finally, please be sure to click “Contact Supplier” to contact us, or “call us” with any questions that you may have.
Welcome to contact me anytime!
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| Aligning: | Aligning Bearing |
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| Separated: | Unseparated |
| Rows Number: | Single |
| Samples: |
US$ 0.67/Piece
1 Piece(Min.Order) | Order Sample |
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Available
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about shipping cost and estimated delivery time. |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can worm screws be used for high torque applications?
Yes, worm screws can be used for high torque applications. The design of a worm screw mechanism allows for efficient torque transmission and multiplication, making it suitable for applications that require high torque output. Here are some key points to consider regarding the use of worm screws in high torque applications:
- Gear Reduction: One of the primary advantages of a worm screw mechanism is its ability to provide a significant gear reduction in a single stage. The helical threads of the worm screw and the meshing teeth of the worm wheel create a high reduction ratio, which results in a lower output speed and higher output torque. This gear reduction capability allows worm screws to generate and transmit substantial torque, making them well-suited for high torque applications.
- Efficiency: While worm screws can provide high torque output, it’s important to consider the mechanical efficiency of the system. The efficiency of a worm screw mechanism can vary depending on factors such as the materials used, lubrication, and design parameters. However, compared to other gear systems, worm screw mechanisms tend to have lower efficiency due to inherent friction between the threads and teeth. It’s crucial to ensure that the efficiency of the worm screw mechanism meets the requirements of the specific high torque application.
- Load Holding: Another advantage of worm screws is their self-locking property. Due to the helical shape of the threads, the worm screw has a wedging effect on the worm wheel, which provides resistance against backward rotation. This self-locking feature allows worm screws to hold loads in a fixed position without the need for additional braking mechanisms. In high torque applications where load holding is required, worm screws can provide reliable and secure positioning.
- Material Selection: The materials used for the worm screw and worm wheel should be carefully selected to withstand high torque loads. Both components should have sufficient strength and wear resistance to handle the transmitted torque without deformation or premature failure. Depending on the specific application requirements, materials such as hardened steel, bronze, or other alloys may be chosen to ensure the durability and performance of the worm screw assembly.
- Lubrication and Maintenance: Proper lubrication is crucial for the smooth operation and longevity of a worm screw mechanism, especially in high torque applications. Adequate lubrication helps reduce friction, wear, and heat generation between the contacting surfaces, ensuring efficient torque transfer. Regular maintenance, including monitoring lubricant levels and replenishing or replacing the lubricant as needed, is essential to maintain optimal performance and prevent premature wear or failure.
Overall, worm screws can be effectively used in high torque applications, thanks to their gear reduction capabilities, load-holding properties, and efficient torque transmission. However, it’s important to carefully consider factors such as mechanical efficiency, material selection, lubrication, and maintenance to ensure that the worm screw mechanism can meet the specific requirements and demands of the high torque application.
How do environmental factors affect the lifespan and performance of worm screws?
Environmental factors can have a significant impact on the lifespan and performance of worm screws. Here are some ways in which different environmental conditions can affect worm screw operation:
- Temperature: Extreme temperatures can affect the material properties of worm screws. High temperatures can cause thermal expansion, leading to increased clearances and reduced efficiency. It can also accelerate wear and degradation of lubricants, leading to increased friction and potential damage. Conversely, extremely low temperatures can make lubricants less effective and increase the risk of brittle fracture or reduced flexibility in materials.
- Humidity and Moisture: Exposure to high humidity or moisture can lead to corrosion and rusting of worm screws, especially when they are made of materials that are not resistant to moisture. Corrosion can cause surface pitting, reduced strength, and accelerated wear, ultimately compromising the performance and lifespan of the worm screw.
- Dust and Contaminants: Dust, dirt, and other contaminants present in the environment can enter the worm gear system and cause abrasive wear on the worm screw. These particles can act as abrasives, accelerating the wear of the contacting surfaces and potentially leading to premature failure or reduced performance. Regular cleaning and maintenance are essential to mitigate the effects of dust and contaminants.
- Chemical Exposure: Exposure to chemicals, such as acids, solvents, or corrosive substances, can have a detrimental effect on worm screws. Chemicals can corrode the surfaces, degrade lubricants, and affect the material properties, leading to reduced lifespan and compromised performance. Choosing materials and coatings that are resistant to specific chemicals present in the environment is crucial for long-term performance.
- Load and Overloading: Environmental conditions, such as heavy loads or overloading, can significantly impact the lifespan and performance of worm screws. Excessive loads can lead to increased stress levels, deformation, and accelerated wear on the worm screw. It is important to operate worm gear systems within their specified load capacities and avoid overloading to ensure optimal performance and longevity.
- Operating Speed: The operating speed of the worm screw can also be influenced by environmental factors. High-speed applications may generate more heat due to friction, necessitating effective cooling mechanisms. On the other hand, low-speed applications may exhibit reduced lubrication effectiveness, requiring specific lubricants or maintenance practices to ensure proper lubrication and prevent excessive wear.
To mitigate the effects of environmental factors, proper maintenance, regular inspection, and suitable protective measures are essential. This includes using appropriate lubricants, implementing effective sealing mechanisms, applying protective coatings, and considering environmental factors during the design and material selection process. By considering and addressing environmental factors, the lifespan and performance of worm screws can be optimized, ensuring reliable operation in various operating conditions.
What are the advantages of using a worm screw in gear systems?
Using a worm screw in gear systems offers several advantages that make it a preferred choice in certain applications. Here are some of the advantages of using a worm screw:
- High Gear Reduction: One of the primary advantages of a worm screw is its ability to provide a high gear reduction ratio in a single stage. The helical threads of the worm screw and the meshing teeth of the worm wheel create a significant reduction in rotational speed. This allows for efficient torque multiplication, enabling the transmission of high torque output from the worm screw to the worm wheel. The high gear reduction is beneficial in applications that require slow and powerful movements, such as lifting heavy loads or controlling conveyor systems.
- Compact Design: Worm screw mechanisms are known for their compact design. Compared to other gear systems, such as spur gears or helical gears, a worm screw setup can achieve a similar gear reduction with fewer components. This makes it a space-saving solution, especially in applications where limited space is available or where a compact design is desired.
- Self-Locking: The self-locking property of a worm screw is a significant advantage in many applications. Due to the helical shape of the threads, the worm screw has a natural tendency to hold its position and prevent backward rotation of the worm wheel. This self-locking feature eliminates the need for additional braking mechanisms or external locking devices, simplifying the overall system design and improving safety and stability in applications that require load holding or position locking.
- Right-Angle Transmission: Worm screw mechanisms provide motion transmission at a right angle, allowing for the transfer of motion between non-parallel shafts. This makes them suitable for applications where the input and output shafts are oriented perpendicular to each other. Examples include automotive steering systems, where the rotational motion from the steering wheel needs to be converted into lateral motion for steering the vehicle.
- Quiet Operation: Worm screw gear systems tend to operate quietly compared to other gear configurations. The helical threads of the worm screw and the meshing teeth of the worm wheel engage gradually, resulting in smoother and quieter operation. This can be advantageous in applications where noise reduction is desirable, such as in office equipment, appliances, or environments where low noise levels are required.
It’s important to note that while worm screw mechanisms offer these advantages, there are also some considerations to keep in mind. For instance, worm screws can have lower mechanical efficiency compared to other gear systems due to inherent friction between the threads and teeth, leading to energy losses. Additionally, they may exhibit a certain amount of backlash, which can affect precision and introduce a small amount of lost motion in the system. Nevertheless, the unique characteristics of worm screws make them a valuable choice in various applications where high gear reduction, self-locking, compactness, and right-angle transmission are essential.
editor by Dream 2024-04-26