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China best Auto Parts Chrome Steel Ball Bearing Car Tensioner Pulley Bearing Automotive Water Pump Bearing bearing and race

Product Description

Auto Parts Chrome Steel Ball Bearing Car Tensioner Pulley Bearing

Product Parameters

Product Name: Tensioner Bearing
Model Number: 805714B
Inner Diameter(mm) 11
Outer Diameter(mm) 40
Height(mm) 42
Material Chrome steel
Sealed type OPEN,RZ,2RS,4RS
Tolerance P0,P6,P5,P4,P2
Clearance C2,C0,C3,C4,C5
Noize level Z,Z1,Z2,Z3
Application Automotive Car
OEM Service Accept

Product Description

Tensioner Bearing:

-The bearings are adopted optimized structure designing so that can attain the traits of high temperature resistant, high speed resistant, long life, high speed rotation,impact resistant,high radial load,etc.

-Sealing structure and seals have the traits of high sealing ability, heat-resistant, abrasiveness and also can prevent the leakage of the grease, as they are helpful for lengthening the bearings’ using life.

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Company Profile

ZHangZhouG SHENG YA BEARING TECHNOLOGY CO,LTD.was founded in 1996, covering an area of more than 10,000 square meters, with as sets of more than 50 million yuan, and more than 80 employees, including more than 10 professional and technical personnel with intermediate and senior professional titles. lt specializes in the production of automotive bearings motorcycle bearings, general machine bearings, precision machine tool bearings and home appliance bearings, with an annual production capacity of 10 million sets of small and medium-sized bearings.

Our company undertakes various types of non-standard special-shaped bearings, with a wide variety and fine workmanship. lt is located in Wen.ling, HangZhou City, an important industrial, commercial and tourist city in ZHangZhoug Province, with superior geographical location and convenient transportation.


Q1:ls your company factory or Trade Company?
A:We have our own factory, our type is factory +trade.

Q2: Could you accept OEM and customize?
A:Yes, we can customize it for you according to the sample or drawing.

Q3: What is the MOQ of your company?
A:Our MOQ is normally 10pcs, anyway lower MOQ is also acceptable with a little higher cost, as the more you purchase the cheaper cost you could get.


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After-sales Service: One Year Warranty
Warranty: One Year Warranty
Type: Tensioner Bearing
Material: Chrome Steel
Tolerance: P6
Certification: ISO9001
US$ 2/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

What is a Ball Bearing and How does it Function in Various Applications?

A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:

  • Reduction of Friction:

Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.

  • Radial and Axial Load Support:

Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.

  • Smooth Rotational Movement:

Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.

  • Applications in Machinery:

Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.

  • Automotive Industry:

Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.

  • Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

  • High-Speed Applications:

Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.

  • Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

  • Variety of Sizes and Types:

Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.

In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.

China best Auto Parts Chrome Steel Ball Bearing Car Tensioner Pulley Bearing Automotive Water Pump Bearing   bearing and raceChina best Auto Parts Chrome Steel Ball Bearing Car Tensioner Pulley Bearing Automotive Water Pump Bearing   bearing and race
editor by CX 2024-04-23

in San Francisco United States sales price shop near me near me shop factory supplier Car Bearing Cost Drive Timing Belt Tensioner Pulley Assembly for BMW 11281482489 manufacturer best Cost Custom Cheap wholesaler

  in San Francisco United States  sales   price   shop   near me   near me shop   factory   supplier Car Bearing Cost Drive Timing Belt Tensioner Pulley Assembly for BMW 11281482489 manufacturer   best   Cost   Custom   Cheap   wholesaler

Ever-Electrical power Team CO., LTD. IS Specialist IN Producing ALL Varieties OF MECHANICAL TRANSMISSION AND HYDRAULIC TRANSMISSION LIKE: PLANETARY GEARBOXES, WORM REDUCERS, IN-LINE HELICAL Gear Pace REDUCERS, PARALLEL SHAFT HELICAL Equipment REDUCERS, HELICAL BEVEL REDUCERS, HELICAL WORM Equipment REDUCERS, AGRICULTURAL GEARBOXES, TRACTOR GEARBOXES, Auto GEARBOXES, PTO Travel SHAFTS, Particular REDUCER & Connected Gear Elements AND OTHER Related Merchandise, SPROCKETS, HYDRAULIC System, VACCUM PUMPS, FLUID COUPLING, Gear RACKS, CHAINS, TIMING PULLEYS, UDL Speed VARIATORS, V PULLEYS, HYDRAULIC CYLINDER, Equipment PUMPS, SCREW AIR COMPRESSORS, SHAFT COLLARS Low BACKLASH WORM REDUCERS AND SO ON. If you require any info or samples, you should speak to us and you will have our shortly reply. The new merchandise incorporate a sequence of large-tech and substantial quality chains and sprockets and gears, such as chains and gearboxes for agricultural machineries, metallurgical chains, escalator phase-chains, high-pace tooth chains, timing chains, self-lubrication chains, among which have variety high velocity tooth chain for automobile department dynamic box and aerial chains fill in the blanks of chain in China.

Vehicle Component EPTelt Tensioner Assembly for EPTMW 11281482489

gt gtProduct description

Merchandise Name EPTelt Tensioner Assembly
EPT Sortech EPT or as customer’s requirement
Shipping and delivery 7daEPTfor stock item, 30-45daEPTfor producing
Shipment EPTy sea, air or categorical
Warranty 24 months or 60000km

gt gtProduct specifics
A travel belt tensioner assembly is created up of four principal parts – a base, tensioner arm, EPT and loafer pulley. The base is the mounting for all the other components, even though the tensioner EPT makes certain that the belt is kept pulled tight. The idler pulley then ensures that the belt moves as it should, while the tensioner arm, discovered on the bottom of the tensioner, is created to counter the EPT, and so enable the drive belt by itself to be taken off or modified.

Benefits of making use of Sortech belt tensioner substitution components:

1.The overall design of belt tensioner makes certain appropriate belt pressure, alignment, and damping for exceptional functionality
two.The tensioner EPT is created with 55CrSi, which supplies constant pressure and does not permit contamination, and improves longevity, with excellent efficiency in corrosion resistance with the Dacromet.
three.The oil seal inside the tensioner is produced with ACM (Acrylic rubber), which has better overall performance in elasticity and friction resistance.
four.Sortech belt tensioner is backed by a two many years/60,000 EPT of use guarantee.

gt gtCar manufacturers we offer

Sortech Auto Components LLC major products line:
1.Suspension areas: control arms, ball joint , tie rod finish,stabilizer website link, EPT absorber, air suspension strut
two.EPTrake parts:brake pads, brake disc, wheel cylinder
three.Car rubber bushing: motor mount, EPT mount, handle arm bushing, stabilizer bushing
four.Motor method: camshaft,crankshaft, ignition coil
5.Oil filter, air filter, EPT filter,air conditioner filter, cabin air filter

gt gtCompany Profile
Sortech Vehicle Elements LLC is a leading proviEPTof spare areas for luxurious brand name vehicles
With functions in North The us and EPT. With far more than 20 a long time of market
We have skilled skilled at our design and style and engineering crew constantly
DeveXiHu (West Lake) Dis.Hu (West Lake) Dis.ing revolutionary new merchandise and refining our eXiHu (West Lake) Dis.sting solution line to preserve inside
The industry trends and EPT stXiHu (West Lake) Dis.Hu (West Lake) Dis.rds.

gt gtFAQ

1. What are your packages?
The stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd SORTECH branded merchandise are packed with brand plastic baggage and/or boxes, then in carton bins. However we give goods in neutral containers or plastic luggage as nicely. If you have additional requirements on customized package deal, make positive talk about with the product sales agent for specifics.

2. What are your payment phrases?
TT 50% deposit of solution whole is needed to place purchase. EPTalance in complete is thanks upon completion. Once the stability is paid out, we will timetable shipping and delivery.

3. How about your delivery time?
In EPT, it takes 15 to thirty daEPTafter getting your deposit. The correct supply time may possibly range on merchandise and the portions.

4. Can you create according to the samples?
Yes, we can generate by your samples or complex drawings. We can create the molds and fixtures.

five. What is your sample policy?
We can offer sample if we have inventory, but our customer will have to shell out the sample as properly as the courier charges. We will return the sample cost in your potential buy.

six. Do you check all your items just before shipping?
Indeed, our products are 100% tested ahead of shipping and delivery.

seven. Do you offer you any warranties for your goods?
For a lot more than 20 years Sortech has been giving high quality areas for European automobile consumers across the planet and we are very proEPTto announce that Sortech elements will be backed by an business major 24 months or 60,000 EPT of use guarantee. Please check with the product sales for much more details.

eight. Do you supply after sales services?
We provide our customers with assistance and assistance around the globe, no issue whether or not they are EPTsalers, specific elements retailers or impartial XiHu (West Lake) Dis.Hu (West Lake) Dis.ages. Our productive client portal assures simplicity of use and ordering to gain our customers.

We source all types of chassis and engine vehicle spare parts for Mercedes and EPTMW.
If you can not locate the areas for your automobile model, remember to never wait to speak to with us.

  in San Francisco United States  sales   price   shop   near me   near me shop   factory   supplier Car Bearing Cost Drive Timing Belt Tensioner Pulley Assembly for BMW 11281482489 manufacturer   best   Cost   Custom   Cheap   wholesaler

  in San Francisco United States  sales   price   shop   near me   near me shop   factory   supplier Car Bearing Cost Drive Timing Belt Tensioner Pulley Assembly for BMW 11281482489 manufacturer   best   Cost   Custom   Cheap   wholesaler