Carries radial loads while keeping a compact cross-section, using a full complement of needle rollers running directly against a housing bore machined to the required tolerance, since this needle roller bearing has no inner ring. Outside diameter is 30.0 mm and net mass is 37.3 g. The standard cage guides the needle rollers and sets the limiting speed at 20000 1/min, with a reference speed of 11700 1/min. Because the shaft raceway must be provided by the surrounding construction, this design suits applications where radial space is limited and a separate inner ring is not needed or is replaced by a hardened shaft surface. The standard cage keeps rolling element spacing consistent and supports the stated speed ratings, while the light series geometry keeps radial section height and mass low for a given bore size.