Roller and method of producing the same

摘要

A roller. Grooves are recessed on an outer peripheral surface of an outer race in a bearing. A part of a synthetic resin tire is integrally adhered to the outer race of the bearing and is inserted and bonded within at least one of the grooves on the outer peripheral surface of the outer race in the bearing, so that firm adhesion or bonding can be obtained. Accordingly, such an adhered fitting body is prevented from being peeled off from the outer race of the bearing and the tire and the outer race of the bearing are prevented from separately detaching even when the bearing is exposed to a heavy load or rotates at a high speed.