| abstract |
OnenRoller bearing,ncomprising an outer componentn(1) having an inner peripheral surface formed withntwo rows of raceway surfaces (4),nan inner member (2) having an outer peripheral surface whichnis formed with raceway surfaces (5) facing the raceway surfaces (4)nof the outer componentn(1) are oppositenand two rows of rolling elementsn(3), which is between the oppositenRaceway surfacesn(4, 5) are arranged, wherein a surface of at least the outer ornthe inner component (1, 2), which is a component made of an aluminum alloyncontacted, equipped with an electro-corrosion prevention coatingn(17) containing hexavalent chrome-free chromate. |