Why Use Deep Groove Ball Bearings?

10 Nov.,2021

Deep groove ball bearings are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for low noise and low vibration, resulting in high speeds. They carry radial and axial loads in both directions, are easy to mount, and require less maintenance than other bearing types. 

 

Deep groove ball bearings are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for low noise and low vibration, resulting in high speeds. They carry radial and axial loads in both directions, are easy to mount, and require less maintenance than other bearing types. 

 

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What are deep groove ball bearings?

 

Deep groove ball bearings have a groove near the outside and inside of the bearing. These grooves reduce the strain near the bearing, so they can carry heavier loads and operate at high speeds.

 

Types of deep groove ball bearings

Over the years, manufacturers have improved the design of deep groove bearings, resulting in several different types. These types are often better suited for specific applications where deep groove bearings are not suitable.

 

Single row deep groove ball bearings

These are typically single race deep groove ball bearings. They are typically robust and made of durable materials, ensuring that these bearings have a longer service life.

 

Single row deep groove ball bearings are also subdivided into other types with bore diameters ranging from 3 mm to 400 mm, making them suitable for almost any application. Some manufacturers also offer thin, narrow, wide or miniature bearings depending on the customer's needs.

 

Because deep groove ball bearings are subjected to extreme conditions, manufacturers also offer ceramic coated bearings to handle electrical pitting and high temperature devices that can withstand up to 660 degrees Fahrenheit.

 

One of the latest developments in single row deep groove ball bearings is the sensor bearing unit, which measures the condition of the ball bearing components. These units are simple to use and can help with speed sensing, angular position measurement and steering, making them available for use in electric motors, tractors, conveyors and road rollers.

 

Double-row deep groove ball bearings

The double-row design allows significantly higher load carrying capacity while still maintaining the low friction characteristics of the bearing. Double-row bearings are usually only slightly wider than single-row bearings, which makes them almost as versatile and practical.

 

The main disadvantage of double row deep groove ball bearings is that they do not have seals or shields, although some may be equipped with cages. These cages facilitate mounting and assembly, but are susceptible to mechanical stress during operation. Selecting the correct type of cage for a particular application is critical, especially since some cage materials are sensitive to specific lubricants.

 

Flanged deep groove ball bearings

Some deep groove ball bearings come with a flanged outer ring that works in a similar manner to the snap ring on a standard ball bearing. The flange improves the operating efficiency of the bearing and is also easier to machine due to the simplicity of the bearing housing bore.

 

Flanged deep groove ball bearings are ideally suited for carrying axial loads, for example on pipe ends or belt guide rollers. Some variants even have rotating housings to allow for slight misalignment and better axial loads.

 

Sealed Deep Groove Ball Bearings

Sealed deep groove ball bearings are similar to single row bearings except that they have steel or rubber shields installed on one or both sides of the bearing. These seals are pre-lubricated with grease to extend the life of the bearing.

 

Many manufacturers use sealed ball bearings in contaminated environments where the performance of the bearing might otherwise be compromised. The shields help the bearing retain its grease while also preventing any contaminants from entering the bearing itself.

 

Larger deep groove ball bearings can even use machined brass cages in high speed applications where the cage prevents unnecessary wear.

 

Largest ball bearings

These ball bearings have more rolling elements than single-row and double-row bearings. These additional balls allow for higher performance and greater accuracy without sacrificing efficiency or life. As with single row deep groove ball bearings, they can be open or shielded, depending on the application and requirements.

 

Common Uses of Deep Groove Ball Bearings

●Gearboxes

●Wind turbines

●Motors

●Pumps

●Medical Equipment

●Construction equipment

●Construction machinery

●Agricultural machinery

●Aerospace

●Mining industry

●Machinery tools

●Office Supplies

●Food processing machinery

 

What are the benefits of deep groove ball bearings?

Versatility

They can carry radial and axial loads, so they have a wider range of applications in many industries

Cost savings

Deep groove ball bearings produce less frictional torque. This reduces operating temperatures (extending the life of the bearing) and lowers energy costs for operating equipment such as conveyors.

Less maintenance

Due to their simple design, low operating temperatures and low friction, deep groove ball bearings have a longer expected shelf life than other bearings. They do not require additional lubrication after installation, which also means less maintenance downtime.

 

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