Product Description

Low Noise MR31 MR41X ZZ MR52 ZZ Miniature Ball Bearing For Power Tool
 

Bearing Specification :

Model Number MR31ZZ
Part Name Deep Groove Ball Bearing
Brand FSK / KBE / SKB / OEM
Material Gcr15 Chrome Steel
Number of Row Single Row
Dimensions(mm)(d*D*b) 1*3*1.5mm
Weight / Mass ( KG ) 0.002kg
HS Code  8482800000
Original Country Show CHINA

Bearings Drawing :

Bearings Detailed Pictures:

Same Series Bearings We Offer:

           
Bearing Numnber ID OD Width  Basic Dynamic Load Cr(N)  Basic Static Load Cor(N)  Limited Speed
OPEN ZZ Grease Oil
*1000rpm
681 1 3 1 96 26 130 150
691 4 1.6 141 37 100 120
681x ZZ 1.5 4 1.2 2 112 33 100 120
691xZZ 5 2 2.6 169 50 85 100
601xZZ 6 2.5 3 330 99 75 90
682ZZ 2 5 1.5 2.3 169 50 85 100
MR52ZZ 5 2 2.5 169 50 85 100
692ZZ 6 2.3 3 330 99 75 90
MR62ZZ 6 2.5 2.5 330 99 75 90
MR72ZZ 7 2.8 3 386 129 63 75
602ZZ 7 2.8 3.5 386 129 60 71
682XZZ 2.5 6 1.8 2.6 209 74 71 80
692XZZ 7 2.5 3.5 386 129 63 75
MR82X 8 2.5 558 180 60 67
602XZZ 8 2.8 4 552 177 60 71
MR63ZZ 3 6 2 2.5 209 74 71 80
MR73ZZ(683) 7 2 3 311 112 63 75
MR83ZZ 8 2.5 3 395 141 60 67
693ZZ 8 3 4 558 180 60 67
MR93ZZ 9 2.5 4 571 189 56 67
603ZZ 9 3 5 571 189 56 67
623ZZ 10 4 4 631 219 50 60
633ZZ 13 5 5 1301 488 40 48
MR74ZZ 4 7 2 2.5 255 108 60 67
MR84ZZ 8 2 3 395 141 56 67
684ZZ 9 2.5 4 641 227 53 63
MR104ZZ 10 3 4 711 272 48 56
694ZZ 11 4 4 957 350 48 56
604ZZ 12 4 4 957 350 48 56
624ZZ 13 5 5 1301 488 40 48
634ZZ 16 5 5 1340 523 36 43
MR85ZZ 5 8 2 2.5 218 90 53 63
MR95ZZ 9 2.5 3 431 169 50 60
MR105ZZ 10 3 4 431 169 50 60
MR115ZZ 11 4 716 282 45 53
685ZZ 11 3 5 716 282 45 53
695ZZ 13 4 4 1077 432 43 50
605ZZ 14 5 5 1329 507 40 50
625ZZ 16 5 5 1729 675 36 43
635ZZ 19 6 6 2336 896 32 40
MR106ZZ 6 10 2.5 3 496 218 45 53
MR126ZZ 12 3 4 716 295 43 50
686ZZ 13 3.5 5 1082 442 40 50
696ZZ 15 5 5 1340 523 40 45
606ZZ 17 6 6 2263 846 38 45
626ZZ 19 6 6 2336 896 32 40
636ZZ 22 7 7 3333 1423 30 36
MR117ZZ 7 11 2.5 3 455 202 43 50
MR137ZZ 13 3 4 541 276 40 48
687ZZ 14 3.5 5 1173 513 40 50
697ZZ 17 5 5 1605 719 36 43
607ZZ 19 6 6 2336 896 36 43
627ZZ 22 7 7 3287 1379 30 36
637ZZ 26 9 6 4563 1983 28 34
MR128ZZ 8 12 2.5 3.5 543 274 40 48
MR148ZZ 14 3.5 4 817 386 38 45
688ZZ 16 4 5 1252 592 36 43
698ZZ 19 6 6 2237 917 36 43
608ZZ 22 7 7 3293 1379 34 40
628ZZ 24 8 8 3333 1423 28 34
638ZZ 28 9 9 4563 1983 28 34
679ZZ 9 14 3 4.5 919 468 36 42
689ZZ 17 4 5 1327 668 36 43
699ZZ 20 6 6 2467 1081 34 40
609ZZ 24 7 7 3356 1444 32 38
629ZZ 26 8 8 4575 1983 28 34
639ZZ 30 10 10 4659 2080 24 30
6700zz 10 15 4 4 855 435 15 17
6800zz 19 5 5 1716 840 37 43
6900zz 22 6 6 2695 1273 34 41
6000zz 26 8 8 4550 1970 30 36
6200zz 30 9 9 5100 2390 24 30
6300zz 35 11 11 8100 3450 22 26
6701zz 12 18 4 4 926 530 13 15
6801zz 21 5 5 1915 1041 33 39
6901zz 24 6 6 2886 1466 31 36
6001zz 28 8 8 5100 2370 28 32
6201zz 32 10 10 6800 3050 22 28
6301zz 37 12 12 9700 4200 990 425
6702zz 15 21 4 4 937 582 11 13
6802zz 24 5 5 2073 1253 28 33
6902zz 28 7 7 4321 2259 26 30
6002zz 32 9 9 5600 2830 24 28
6202zz 35 11 11 7650 3750 20 24
6302zz 42 13 13 11400 5450 17 20
6703zz 17 23 4 4 1000 658 9.5 11
6803zz 26 5 5 2233 1456 26 30
6903zz 30 7 7 4588 2565 23 38
6003zz 35 10 10 6000 3250 22 26
6203zz 40 12 12 9550 4800 17 20
6303zz 47 14 14 13600 6650 15 18

 

Other Bearings We Offer:

Deep groove ball bearings Linear ball bearings Pillow block bearings Clutch release bearings
Cylindrical roller bearings Needle roller bearings Thrust ball bearings Thrust roller bearings
Spherical roller bearings Ball joint bearings Conveyor roller bearings Angular contact ball bearings

Our Advantage:

About FSK Factory Condition :

FAQ:
1.How can I get the bearing price?
Mike: You can leave your message on Alibaba, or conact us directly by email, , SkYPE, Viber. Tell us your quantity, usually 2-5 hours you will get the price.
2.How can I buy them?
Mike: You can place order on Alibaba, or pay the payment by Western Union, Paypal, T/T and L/C.
3. How long I can get these bearings?
Mike: for small order, we will delivery the bearings in 1-2 days after recive your payment. usually 3-5 days will arrive in your place by international express, such as DHL, TNT, UPS and so on. For big order, please contact us.
4.How to protect the bearing quality?
Mike: All procudts passed ISO9001:2008 and ISO14000 certificates. we can accept small sample order, you can check the quality.
5. Other service.
Mike: We can offer OEM service according to your demand.
 
FSK Bearing Company Advantages:
(1) We have first-class testing equipment to detect bearing various data parameters and control the quality of the bearing.
Whenever bearings must first detected whether the quality is qualified and the unqualified bearing will be eliminated directly.
So we can get the trust of a large number of customers, and supply them for several years.
(2) We have our own R & D capabilities, to help customers solve the problem of non-standard bearings.
We can also according to customer requirements change their own mark.
(3) Price, our manufacture ensure that our prices across China are quite competitive.
It is better for you to compare prices and quality among suppliers.
But everyone knows you can not buy the highest quality products with the lowest price,
but our product is the best quality if you use equal price.
 
FSK Cooperation Details
Delivery:
For Small weight or ungent ,we send by express UPS,DHL,FEDEX, or EMS,china post with Thracking number
For max production , we will ship by sea/air.
Payment Item:
TT, 30% deposit , 70% before shippment.
L/C At Sight
Paypal Or Western Union In advance
Service:
Trade Assurance
Payment Protection
Timely Delivery Guaranteed
Product Qualtity Protection

 

Low Noise MR31 MR41X ZZ MR52 ZZ Miniature Ball Bearing For Power Tool, Get Cheap Price from China Bearing Factory Now !

 

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Contact Angle: 15°
Aligning: Non-Aligning Bearing
Separated: Separated
Samples:
US$ 0.5/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
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

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

  • Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

  • Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

  • Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

  • Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

  • Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

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 Custom Low Noise Mr31 Mr41xzz Mr52zz Miniature Ball Bearing for Power Tool   supplierChina Custom Low Noise Mr31 Mr41xzz Mr52zz Miniature Ball Bearing for Power Tool   supplier
editor by CX 2024-05-15

Steel Ball Bearings

As one of the leading steel ball bearings manufacturers, suppliers, and exporters of mechanical products, We offer steel ball bearings and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of steel ball bearings.

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