What are the differences between angular contact ball bearings and deep groove ball bearings?

Angular contact ball bearings and deep groove ball bearings are two common types of ball bearings used in various applications. While both types serve the purpose of reducing friction between moving parts and supporting radial and axial loads, they have distinct differences in design, capabilities, and applications.

Angular contact ball bearings and deep groove ball bearings

Design Differences

Contact Angle:

Angular Contact Ball Bearings: These bearings have a contact angle, typically between 15° and 40°. The contact angle allows them to support significant axial loads in one direction.

Deep Groove Ball Bearings: These bearings have a very small or zero contact angle, which enables them to support moderate axial loads in both directions along with radial loads.

Raceway Design:

Angular Contact Ball Bearings: The raceways of the inner and outer rings are offset from each other, which creates the contact angle.

Deep Groove Ball Bearings: The raceways are designed with deep grooves that enable the bearing to support radial loads and moderate axial loads.

Load Handling Capacity:

Angular Contact Ball Bearings: Can handle higher axial loads in one direction due to the contact angle. They can also handle combined loads (radial and axial) but are less efficient in handling purely radial loads compared to deep groove bearings.

Deep Groove Ball Bearings: Primarily designed to handle radial loads but can also accommodate moderate axial loads in both directions due to the deep grooves.

Performance Differences

Axial Load Capacity:

Angular Contact Ball Bearings: Superior in handling axial loads in one direction due to the contact angle.

Deep Groove Ball Bearings: Can handle axial loads in both directions, but the capacity is typically lower compared to angular contact bearings.

Radial Load Capacity:

Angular Contact Ball Bearings: Less efficient in handling purely radial loads compared to deep groove bearings.

Deep Groove Ball Bearings: Highly efficient in handling radial loads due to the deep groove design.

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