A NEW PROOF OF RULE OF THUMB REGARDING CLEARANCE VARIATION WITH TEMPERATURE IN TWO TAPERED ROLLER BEARINGS IN O-ARRANGEMENT

Florina RUSU, Cristina TUDOSE, Lucian TUDOSE

Abstract


In this paper a new and more rigorous mathematical proof of rule of thumb regarding the total internal clearance variation when shaft thermal expansion occurs in two tapered roller bearing in O-arrangement is presented. It has also been proven that the mentioned rule of thumb is valid even when shaft and housing have slight different thermal expansion coefficients.

Key words: tapered roller bearings, back-to-back arrangement, thermal expansion.

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References


Pop, D., Tudose, L., Haragas, S., Lagare cu rulmenti. Proiectare, Todesco, Cluj-Napoca, 2006 (in Romanian).

Rolling bearings. Ball bearings. Roller bearings. Needle roller bearings. Track rollers. Bearing for screw drives. Insert bearings, housing units. Bearing housings. Accessories, Schaeffler KG, 2008.

SKF General Catlague (Catalogue 6000/I EN – June 2008), SKF Group, 2008.


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