NAF558530 IKO Machined Needle Roller Bearing - 55X85X30MM qj311ma This UMS7 is a medium

This UMS7 is a medium

NU 23 16 W Metric

This 48282-90104 bearing is an imperial taper roller bearing

The bearing dimensions are 17X30X26MM

3 20 04 X Metric Series Very Light

NAF558530 IKO Machined Needle Roller Bearing - 55X85X30MM qj311ma This UMS7 is a mediumThe NAF558530 is a Light Duty Open Type, Single Row Machined Needle Roller Bearing with an Inner Ring. Both the Inner and Outer Ring are easily separable from the Needle Roller Cage. The Needle Roller Cage means that these Bearings have excellent rotational performance and a simple structure with high accuracy. These Bearings are most suitable for mass production, high running accuracy applications like Machine Tools, Printing Equipment, and Textile