NSK needle roller bearing

Needle roller bearing is a kind of roller bearing. Although sometimes the roller size slightly exceeds the needle roller size range defined by JIS, it is usually called needle roller bearing.
Needle roller bearing can be divided into radial bearing and thrust bearing according to the direction of bearing load. Among them, radial bearings include: various series of stamping outer ring type, solid type, and special-purpose bolt type and retaining ring type roller needle bearings.