NTN ball and roller bearings 

 -  NTN Corporation 
 - [372] p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BALL AND ROLLER BEARINGS<br/>MECHANICAL ENGINEERING<br/>MECHINE ELEMENTS<br/>ROLLER BEARINGS
<br/><br/><label>Universal Decimal Class. No.: </label>621.822