KT505520 Caged Needle Roller Bearing 50x55x20mm

IKO Needle Roller Cages for General Usage: Needle Roller Cages for General Usage are bearings that display excellent rotational performance.  Their specially shaped cages with high rigidity and accuracy, precisely guide the needle rollers. Since needle rollers with extremely small dimensional variations in diameter are incorporated and retained, Needle Roller Cages for General Usage are useful in small spaces when combined with shafts and housing bores that are heat treated and accurately ground as raceway surfaces.