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Ball-Bearing Size Chart: Everything to Know 

Bearings are highly relevant elements in differing applications, enabling uninterrupted and efficient functioning of devices by minimizing friction between components. Therefore, learning more about different ball bearing sizes is important to know which is ideal to use in a given situation. Bearing size charts decode the dimensions of the bearings, such as inner diameter (ID), outer diameter (OD), and width, to ensure the right ball-bearing choice.


They usually provide standard dimensions of the bolt holes according to universal standard measurements such as the ISO, JIS, and ANSI, among others. They include small-size bearings for miniatures like instruments and big-size bearings suitable for use in large machinery. Moreover, size charts tend to use details about bearings, including deep grooves, angular contact, and thrust bearings, all built for specific loads and speeds.


Whether you are an engineer, a technician, or just a hobbyist, it is impossible to overestimate the importance of the ball-bearing size chart to guarantee the efficiency of the corresponding machines.


Ball bearing – What are those?

Ball bearings are indispensable hardware parts that implement countless uses and ease the rotary or translative motion of elements within machinery. As discussed below, they comprise an inner and outer ring divided by spherical balls that turn on a raceway channel. This design helps in the passage of loads and prevents resistance, such as friction, from affecting the overall performance of the structure.

Ball bearing
Ball bearing

Deep groove, angular contact, thrust, and self-aligning bearings all fall under the ball bearings category, which has specific capabilities in operations based on their type. Many types are relatively easier for one to get, but the most popular type is the deep groove ball bearings. These are good for both radial and axial loads. Angular contact ball bearings are good for high-speed operations and provide accurate control of axial loads, while thrust ball bearings provide control of higher axial loads.


Applicable to the automotive, aerospace, domestic appliances, and medical sectors, ball bearings are critical in increasing the quality, output, and durability of scientific instruments and equipment.


Ball bearing size chart: Key Points


Standardized Dimensions: Some information that might be found on ball bearing size charts include inner diameter, outer diameter, and width. These dimensions are important for matching the shape of the nuts and bolts for easy use in various mechanical systems. Standardizing ES makes it easier to ensure that all different manufacturers and/or applications are comparable.


Bearing Types: Several types of bearings are available, as shown by the size charts, and each bearing has its specifications for specific use. Some typical bearings include deep groove ball bearings, angular contact ball bearings, and thrust ball bearings. This is useful because it enables one to determine from the chart the specific type of application required for an organization's needs.


Load Ratings and Speed: The size charts can encompass additional information on load ratings and maximum permissible velocity. Limiting load values specify the larger axial and radial loads that are permissible on the bearing, and limiting speeds depict the highest operating speeds. These specifications are essential for assessing the bearing’s ability to function under performance stresses encountered during operations.


Material and Coatings: Certain ball-bearing size charts include additional details on the materials and coatings used in the garment. These include stainless steel, ceramic, and some made from both stainless steel and ceramic material. Sealants like Teflon or zinc provide additional protection against corrosion and are adaptable to the environment within which the material is used.


Applications and Industries: Ball-bearing size charts are designed for various uses or applications, such as automotive, aerospace, industrial electronics, etc. These charts can be helpful for engineers or designers involved with bearing selection since each industry may need bearings of certain sizes and kinds.


Ball-bearing size chart in inches


Here’s a fundamental ball-bearing size chart. For detailed applications, always refer to detailed manufacturer catalogs and standards.

Designation

Bore Diameter (in)

Outer Diameter (in)

Width (in)

6000

0.394

1.024

0.315

6001

0.472

1.024

0.315

6002

0.591

1.181

0.354

6003

0.787

1.378

0.433

6004

0.984

1.575

0.512

6005

1.181

1.772

0.591

6200

0.394

1

0.315

6201

0.472

1

0.315

6202

0.591

1.181

0.354

6203

0.787

1.378

0.433

6204

0.984

1.575

0.512

6205

1.181

1.772

0.591

16000

0.1875

0.5

0.1875

16001

0.1969

0.5469

0.1875

16002

0.25

0.625

0.1875

16003

0.3125

0.75

0.25

16004

0.375

0.875

0.25

16005

0.5

1

0.3125

Ball bearing price 


Ball bearings are classified according to their type, size, and material used, and manufacturers price them differently. Here is a rough average price scale for the most frequently used and standard sizes of ball bearings. Prices are estimated and may change depending on supply and demand rates and individual suppliers’ offers.

Bearing Type

ID (in)

OD (in)

W (in)

Price Range (USD)

Deep Groove Ball Bearings





6000

0.3937

1.1024

0.2756

$1 - $5

6001

0.4724

1.2598

0.3149

$2 - $7

6002

0.5118

1.3779

0.3543

$3 - $8

Angular Contact Ball Bearings





7200

0.3937

1.1024

0.2756

$10 - $20

7201

0.4724

1.2598

0.3149

$12 - $25

7202

0.5118

1.3779

0.3543

$15 - $30

Thrust Ball Bearings





51100

0.3937

1.0236

0.1181

$5 - $10

51101

0.4724

1.1811

0.1181

$6 - $12

51102

0.5118

1.2598

0.1181

$7 - $15


Factors Affecting Price:


Material: Self-lubricating bearings, such as ceramics or stainless steel bearings, cost more than normal carbon steel bearings because they can sustain demanding conditions of use.


Precision Grade: Premium bearings (ABEC 5, ABEC 7) are relatively more expensive than the standard ones because their manufacturing involves higher tolerance and functionality.


Brand: Established brand names such as SKF, NSK, and Timken charge fairly high rates because they enjoy a good reputation in the market.


Quantity: Buying in large quantities normally makes it cheaper to consume in large volumes, making them ideal for large-scale operations.


Regarding price, it is always better to consult suppliers or wholesalers like UEC Barings because the price always changes according to market demand and supply.


Ball bearing types 


Ball bearings are important mechanical elements. They act as a load-bearing system designed to sustain and control mechanical loads with minimal friction.

Ball bearing types 
Ball bearing types 

There are several types of ball bearings, each tailored for specific applications: 


Deep Groove Ball Bearings: Known as the antifriction plain bearing, this kind of bearing is popular among engineers and exceeds in simplicity. Deep groove ball bearings are specifically engineered to efficiently support radial and axial loads. That is why they can be used in any type of application. Some examples include electric motors and engines, home appliances, automobiles, and many others.


Angular Contact Ball Bearings: These angular contact ball bearings have a higher axial load-carrying capacity than deep groove bearings due to their contact angle. Precision shafts, which must run parallel, are frequently required in applications such as machine tool spindles, gearboxes, and pumps.


Thrust Ball Bearings: These ball bearings are mainly focused on axial loads. They are often seen being used in high-axial force applications. Rotary tables, marine propeller shafts, automobile gearboxes, etc., are under a few applications.


Self-Aligning Ball Bearings: These bearings comprise two balls and one spherical raceway, which is in the outer ring of the bearings. They can take shaft misalignment relative to the housing, which is good for applications that are likely to have alignment problems, such as agricultural machines and conveyors.


Conclusion


In conclusion, as there are various types of ball bearings, it is crucial to know all the original applications of these parts to enhance the efficiency of machinery's operation. Using ball-bearing size charts and given load ratings and materials, one can find the right bearing for mechanical systems with efficiency, reliability, and durability.



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