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RBC Thin Section Ball Bearings

RBC thin section ball bearings are engineered to solve a variety of design problems that cannot be solved with conventional ball bearings.

thin section ball bearing selection guide

Bearing
Type

Contact

Radial

Axial

Moment

Reversing
Axial

Combined
Radial-Thrust

C

Radial

Excellent

Good

Good

Good

Good

A

Angular

Good

Excellent

Do Not Use

Do Not Use

Good

X

4-Point

Poor

Good

Excellent

Excellent

Poor

Angular Contact A-Type Thin Section Ball Bearings

Thin Section Ball Bearings Angular Contact A Type

 
 
 
 
 
 
 
 
 

 

 

 

 

 

 

In applications with high axial loads the A-Type, angular contact ball bearing should be used. This bearing also works well in radial or combined radial-thrust applications. The A-Type bearing should never be used alone to support moment loads or reversing axial loading.

Two A-Type bearings are often used as a duplex pair. The three different configurations for duplex bearings are discussed in the Engineering Data section.

Radial Contact C-Type Thin Section Ball Bearings

Thin Section Ball Bearing Radial Contact C Type 

 

 

 

 

 

 

The C-Type, radial contact ball bearing is designed with deep ball grooves to withstand high loads. Although this bearing is used primarily in applications with radial loads, it can withstand moderate axial loads, reversing axial loads, and moment loads.

4-Point Contact X-Type Thin Section Ball Bearings

Thin Section Ball Bearing 4-Point Contact X Type 

 

 

 

 

 

  

The X-Type, or 4-point contact, ball bearing is ideal for moment loading. X-Type bearings are designed with gothic arch raceways creating 4 contact points between the balls and the raceways. This design is excellent for moment loading and reversing axial loading. The X-Type bearing can be used for other light loading conditions, but is not recommended in place of the C- or A-Type bearing for pure radial loads.

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