BA-88-OH Needle Roller Bearing, Separator Style Drawn Cup, Open, Oil Hole, Inch, 1/2" ID, 11/16" OD, 1/2" Width Drawn cup needle roller bearing for applications with high speed loads Drawn steel outer shell (cup) has a reduced cross-section for use in restricted spaces. Caged (separated) rollers for greater higher speed capability than full complement bearings Through-hardened, high-carbon chromium steel rollers for heat tolerance and durability under heavy loads. Oil hole for applying lubrication in place