China best DC12025 12V Ball Bearings Are Suitable for Cooling Fans of Small Household Appliances double row ball bearing

Product Description

120X120X25mm Industrial High Cfm Thermal Take Frameless Air Conditional DC 1225 Fan

Product Parameters

 

 

ITEM STHangZhouRD
Place of Origin HangZhou China
Brand Name XuHongXiang
Condition New
Product Name DC Cooling Fan
Model Number XD12571S12L
Dimensions (L x W x H) 120x120x25MM
Rated Voltage DC 12V
Current 0.35A
Operation Voltage Range 10.8 -13.2 VDC
Bearing Type Sleeve Bearing
Rated Speed 2000RPM ± 10% at rated voltage
Air Flow 66.05 CFM
Static Pressure 2.01 Inch-H2O
Acoustic Noise 28 dB(A)
Weight 140 g
Materials of Fan Frame Thermoplastic PBT engineering plastics
Materials of Fan Blade Thermoplastic PBT engineering plastics
Direction of Rotation Counter-clockwise viewed from front of fan blade
Certification EMC/CE/RoHS/GS
Power Source Electric
Cooling/Heating Cooling Only
After-sales Service Provided Return and Replacement
Warranty 1 Year
Application Hotel, Car, Outdoor, Garage, RV, Commercial, Household
Operation Temperature Range -10 to + 70 deg. C
Storage Temperature Range -40 to + 80 deg. C
Life Expectancy 30,000 Hours at 40 deg. C, 65% humidity, 90% CL.

  

Certifications

 

Company Profile

More Models

 

Type Model Size Type Model Size
DC Axial Fan XD2571 25x25x10mm(0.78″x0.78″x0.39″) DC Axial Fan XD6015 60x60x15mm(2.36″x2.36″x0.59″)
XD2507 25x25x7mm(0.98″x0.98″x0.27″) XD6571 60x60x20mm(2.36″x2.36″x0.78″)
XD2510 25x25x10mm(0.98″x0.98″x0.39″) XD6571 60x60x25mm(2.36″x2.36″x0.98″)
XD3007 30x30x7mm(1.18″x1.18″x0.27″) XD6038 60x60x38mm(2.36″x2.36″x1.5″)
XD3571 30x30x10mm(1.18″x1.18″x0.39″) XD7571 70x70x10mm(2.75″x2.75″x0.39″)
XD3510 35x35x10mm(1.37″x1.37″x0.39″) XD7015 70x70x15mm(2.75″x2.75″x0.59″)
XD4007 40x40x7mm(1.57″x1.57″x0.27″) XD8571 80x80x10mm(3.15″x3.15″x0.39″)
XD4571 40x40x10mm(1.57″x1.57″x0.39″) XD8015 80x80x15mm(3.15″x3.15″x0.59″)
XD4015 40x40x15mm(1.57″x1.57″x0.59″) XD8571 80x80x20mm(3.15″x3.15″x0.78″)
XD4571 40x40x20mm(1.57″x1.57″x0.78″) XD8571 80x80x25mm(3.15″x3.15″x0.98″)
XD4571 40x40x28mm(1.57″x1.57″x1.10″) XD8038 80x80x38mm(3.15″x3.15″x1.5″)
XD5571 50x50x10mm(1.96″x1.96″x0.39″) XD9571 92x92x25mm(3.62″x3.62″x0.98″)
XD5015 50x50x15mm(1.96″x1.96″x0.59″) XD9238 92x92x38mm(3.62″x3.62″x1.5″)
XD5571 50x50x20mm(1.96″x1.96″x0.78″) XD12571 120x120x25mm(4.72″x4.72″x0.98″)
XD5571 50x50x25mm(1.96″x1.96″x0.98″) XD12038 120x120x38mm(4.72″x4.72″x1.5″)
XD6571 60x60x10mm(2.36″x2.36″x0.39″) XD14571 140x140x25mm(5.51″x5.51″x0.98″)

Packaging & Shipping

 

FAQ

Q1. How can we know the product quality?
A1: We suggest you to order a sample. Also, you can send us email for detail photos for checking if you cannot get enough information in the product page.

Q2. Is it the final price in the price list?
A2:No, there still have some negotiated room. It is depends on the order you placed, the more you placed, the lower price you will get.

Q3.Can you offer OEM/ODM service?
A3:YES. The OEM/ODM is welcomed, we can printing any logo on the sample as your require.

Q4. How can I send inquiry?
A4:When you find something you are interested, you can click “chat now”, or you can leave your information to us.

Q5.What is your payment?
A5:We usually accept payment based on L / C, T / T, Western Union and PayPal

 

Q6:If I place an order, how long will it take to delivery it?
A:It usually takes about only 2-3 days on receipt of payment, depends on the quantity ordered and the stock status.

 

Q7What can I do if I can not find the suitable fan model in the fan list?
A7:Please contact us for customized fans.If you want other high performance or other requirements, please contact me for more details, thanks.

 

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
A:2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.If you want to get more information about our company,pls contact us immediately.

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Material: Plastic
Blade Material: Plastic
Type: Axial Fan
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US$ 2/Piece
1 Piece(Min.Order)

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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

  • Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

  • Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

  • Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

  • Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

  • Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

  • Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

  • Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

  • Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

  • Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

ball bearing

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:

  • Material Composition:

Ceramic Ball Bearings:

Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.

Traditional Steel Ball Bearings:

Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.

  • Friction and Heat:

Ceramic Ball Bearings:

Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.

Traditional Steel Ball Bearings:

Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.

  • Weight:

Ceramic Ball Bearings:

Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.

Traditional Steel Ball Bearings:

Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.

  • Corrosion Resistance:

Ceramic Ball Bearings:

Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.

Traditional Steel Ball Bearings:

Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.

  • Speed and Precision:

Ceramic Ball Bearings:

Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.

Traditional Steel Ball Bearings:

Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.

  • Cost:

Ceramic Ball Bearings:

Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.

Traditional Steel Ball Bearings:

Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.

In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

ball bearing

How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?

Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:

  • Design:

Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.

Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.

  • Friction and Efficiency:

Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.

Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.

  • Load Capacity:

Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.

Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.

  • Variability:

Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.

Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.

  • Speed Capability:

Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.

Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.

  • Applications:

Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.

Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.

In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.

China best DC12025 12V Ball Bearings Are Suitable for Cooling Fans of Small Household Appliances   double row ball bearingChina best DC12025 12V Ball Bearings Are Suitable for Cooling Fans of Small Household Appliances   double row ball bearing
editor by CX 2024-04-16