Angular Contact Ball Bearings

Angular contact ball bearings are structural variants of deep groove ball bearings. They mainly bear combined radial and axial loads. Structures are classified as C, AC, and B on the basis of magnitude of the axial load they bear. They are featured by a small friction coefficient, high limit speed, and high manufacturing accuracy and are widely used in various precision machines.

Angular contact ball bearings has raceways on both the inner and outer rings, which move relatively to each other along the bearing axis. This bearing type is particularly suitable for handling compound loads, meaning loads act simultaneously in the radial and axial directions. The axial load capacity increases with the increase of contact angle A.

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Why Choose Us?

Leading and Trusted Brand

We offer high-quality angular contact ball bearings, which are produced mainly by C&U, TMB, ZWZ and other top bearing manufacturers from China. Our partnership with C&U began in 2020, and they have since become the leading bearing brand in China. With our strong collaboration, We ensure that our customers received the best products along with the most dedicated bearing solutions.

Versatile Applications and Reliable Proficiency

C&U bearings are utilized in various industries, including automotive, household appliances, motors, motorcycles, and engineering machinery. With extensive experience, they provide dependable products and customized bearing solutions to over 40 industries.

Dedicated and Committed Team Support

Our team is committed to delivering attentive customer service before and after your purchase. We're dedicated to assisting you at every stage, from selecting the ideal Angular Contact Ball Bearings to offering continuous support. We aim to ensure your satisfaction with us, regardless of whether a sale is finalized.

Single-Row Angular Contact Ball Bearings

Single-row angular contact ball bearings are designed to bear axial loads in only one direction. When subjected to a radial load, they generate an additional axial force.

These bearings can limit the axial displacement of the shaft or housing in just one direction. With a contact angle of 40 degrees, angular contact ball bearings are capable of withstanding substantial axial loads. Their non-separable design features shoulders of varying heights on both sides of the inner and outer rings. To enhance their load capacity, one side of the bearing is machined with a lower shoulder, allowing for the inclusion of more steel balls within the bearing.

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Single Angular Contact Ball Bearing
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Double Row Angular Contact Ball Bearing

Double Row Angular Contact Ball Bearings

Double-row angular contact ball bearings can sustain large radial loads, mainly radial and axial combined loads and moment loads, and limit the shaft’s axial displacement in both directions.

Double-row angular contact ball bearings typically use nylon cages or brass solid cages. When installing these bearings, it is important to know that although the bearings can withstand bidirectional axial loads, if there is a gap for ball installation on one side, care must be taken to ensure that the main axial load does not pass through the groove on the side with the gap. When using the bearing,  ensure that the raceway on the side without the ball-filling gap bears the main load.

Four-Point Contact Ball Bearings

Four-point contact ball bearings are, in fact, single-row angular contact ball bearings with split inner or outer rings and are of separable structure.

This type of bearing has the application characteristics of bearings installed in pairs, which can bear the bidirectional axial load and limit axial displacement in both directions but take up less axial space than double-row angular contact ball bearings of the exact specification. Due to the split ring (or outer ring), the number of installed steel balls is increased, so it has a larger load-bearing capacity. The installation and removal of bearings are also very convenient.

Four point contact ball bearing
Four Point Contact Ball Bearing