Ball Bearing Sizes Chart: The Comprehensive Guide for Engineers

Ball bearings are a type of rolling bearing that uses balls to reduce friction between two surfaces. They are commonly used in a wide range of applications, from small appliances to heavy machinery. The ball bearing sizes chart is an essential tool for engineers and designers who need to select the right bearing for their application.

Stories

Story 1: Understanding Ball Bearing Sizes

Benefits:

Increased efficiency: Ball bearings can reduce friction by up to 90%, which can lead to increased efficiency and energy savings.

Extended lifespan: Ball bearings can last for years, even under heavy loads.

Reduced maintenance: Ball bearings require less maintenance than other types of bearings, such as plain bearings or bushings.

How to:

Determine the load: The first step is to determine the load that the bearing will be subjected to. This can be done by calculating the weight of the object that the bearing will support, as well as the forces that will be acting on the object.

Select the bearing size: Once you know the load, you can use a ball bearing sizes chart to select the appropriate bearing size. The chart will typically include the bearing's inner diameter, outer diameter, and width.

Install the bearing: Once you have selected the bearing, you can install it into the application. It is important to follow the manufacturer's instructions for installation.

Technicals

Table 1: Ball Bearing Sizes

Inner Diameter (mm)	Outer Diameter (mm)	Width (mm)
6	12	4
8	16	5
10	20	6
12	24	7
14	28	8
16	32	9
18	36	10
20	40	11
22	44	12
24	48	13

Story 2: Selecting the Right Ball Bearing Size

Benefits:

Improved performance: The right ball bearing size will ensure that the bearing operates efficiently and smoothly.

Reduced noise: The right ball bearing size will help to reduce noise and vibration.

Extended lifespan: The right ball bearing size will help to extend the lifespan of the bearing.

How to:

Consider the application: The first step is to consider the application that the bearing will be used in. This includes the load, speed, and temperature that the bearing will be subjected to.

Use a ball bearing sizes chart: A ball bearing sizes chart can be used to select the appropriate bearing size for the application. The chart will typically include the bearing's inner diameter, outer diameter, and width.

Consult with a bearing manufacturer: If you are not sure which bearing size to select, you can consult with a bearing manufacturer. They can help you to select the right bearing for your application.

Tips, Tricks & Common Mistakes

Table 2: Ball Bearing Sizes for Different Applications

Application	Inner Diameter (mm)	Outer Diameter (mm)	Width (mm)
Electric motors	6-12	12-24	4-7
Pumps	8-16	16-32	5-9
Gearboxes	10-20	20-40	6-11
Conveyors	12-24	24-48	7-13
Machine tools	14-28	28-56	8-15

Common Mistakes to Avoid:

Selecting the wrong bearing size: The wrong bearing size can lead to premature bearing failure.

Overloading the bearing: Overloading the bearing can cause the bearing to fail prematurely.

Not lubricating the bearing: Lubrication is essential for the proper operation of a ball bearing.

Installing the bearing incorrectly: Installing the bearing incorrectly can damage the bearing and shorten its lifespan.

Conclusion

The ball bearing sizes chart is an essential tool for engineers and designers who need to select the right bearing for their application. By understanding the different factors that affect bearing selection, you can choose the right bearing for your application and ensure that it operates efficiently and reliably.

Ball Bearing Sizes Chart: The Comprehensive Guide for Engineers