Date: 2013-08-06

Application of Bearings (4)

Bearings permit smooth, low-friction movement between surfaces. This movement may be



Rotary (shaft rotating within a mount)

Linear (one surface moving along another).



They are anti-friction devices, having different anti-friction characteristics. Most of the bearings are oil-lubricated.


Application Guidelines
 

• Ball bearings are the less expensive in the smaller sizes and for lighter loads, while roller bearings are less expensive for larger sizes and heavier loads.


• Roller bearings are preferred for shock or impact loading.


• Ball-thrust bearings are for thrust loading only.


• Deep-groove or angular-contact ball bearing for high speeds.


• Self-aligning ball bearings and cylindrical roller bearings with low friction coefficients.

 

Speed requirements are important factors for proper bearing application design. Useable speeds are influenced by bearing size, properties, lubrication and operating temperatures. The permissible speed varies inversely with mean bearing diameter. Moreover bearings are generally used for applications that have no impact or shock. Bushings are used for applications that feature more shock

 

Previous: Application of Bearings (3)
Next: Axial Location of Bearings

Hot Products:

Product Model	Inside Diameter	Outside Diameter	Thickness
7300ADT NSK	10	35	11
7200CDT NSK	10	30	9

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