High precision bearings are important in machinery that requires reliability, fast rotational speed and heavy use. But Radial Ball Bearings & Angular Contact Ball Bearings are not interchangeable.
This article is intended to focus specifically on the difference between radial deep groove ball bearings and angular contact ball bearings which have very distinct characteristics and are used in different applications and industry’s.
Deep Groove Ball Bearings
Also referred to as radial ball bearings, these bearings are the most popular and widely used in industrial machinery applications because of their versatility.
Deep groove ball bearings carry loads from rotating parts to the shaft and/or housing with minimal friction. A distinct advantage that radial, deep groove, ball bearings have over angular contact ball bearings is that they can accept axial loads in both directions.
Deep groove ball bearings have a small contact angle of around ~8° to help reduce stress on the bearing that is caused by moderate weight of the load they are supporting.
Angular Contact Ball Bearings
Sometimes referred to as spindle bearings, these bearings are used in machinery that requires high accuracy and reliability.
Angular contact bearings have a much higher speed rating than radial ball bearings because of the nonstop contact of the balls to both raceways.
Angular contact bearings can carry both radial and axial loads that are transferred from one ring to the other, through the balls, along a specific contact angle. The contact angle is measured by two intersecting lines, one that’s formed at the point of contact between the ball and the raceway(s) and the other that’s formed from the perpendicular axis of rotation to the bearing.
We stock 15°(C) and 25°(E) angular contact bearings but can customize other contact angles as needed.
Ball Bearing Comparison Chart
Below you can find the difference between deep groove ball bearings and angular contact ball bearings at a glance. Have a project you are working on and need help finding the right bearing for your rotating part? Our onsite mechanical engineers can help, contact us today.
|Ball Bearing Type||Deep Groove||Angular Contact|
|Advantages||Can accept axial load in both directionsLower contact angle (~8°)||Supports high processing speedsLow operation costs with very little maintenance|
|Use When||Machine space isn’t available for matched Angular Contact BearingsHigh operational speed is not required||High operational speed is requiredGuidance of rotational parts is requiredHigh Rigidity and Precision is required|
|Applications||Medical industryVacuum technologyDry lubrication low out gassingSpecial bearingsBearing unitsElectric MotorsConveyers||Woodworking spindlesMachine Tool spindlesVacuum pumpsMachine components for semiconductor industryHigh speed rolling millsPrinting machineryBoat gyrostabilizersCentrifuges|
Inventory & Customization
We also offer customization options for special high precision deep groove and angular contact ball bearings.
- Deep Groove Customization Options Include:
- Cage material
- Ball Material
- Internal clearance
- Internal clearance & installation
- Angular Contact Customization Options Include:
- Cage material
- Ball material
- Contact angle
- Specific installation tolerance strategies
We offer expert support and guidance with our onsite mechanical engineers available to answer your questions. Contact us with any questions you may have.