The groups are at Timken's option if nothing to the contrary is agreed upon at the time of ordering. This is in accordance with Grade G2 speciﬁed in ISO 3096 standard (see needle rollers, page.
Needle roller and cage assemblies are manufactured with either one or two rows of needle rollers. Drawn Cup Bearings The outer ring in the form of a cup is accurately drawn and no subsequent machining is performed to build the outer raceway. Drawn cup needle roller bearings are available in open ends or single, closed-end designs.