Spherical Roller Bearings
Spherical roller bearings have two rows of rollers which run on a common sphered raceway in the outer ring
Cylindrical Roller Bearings
The cylindrical rollers have different type: NU, NJ, NUP, N, NF (for single-row bearings), NNU, and NN
Taper Roller Bearings
Tapered roller bearings are used in a variety of industrial applications. Inclue cone and cup
Needle roller bearings
needle roller bearing is a special type of roller bearing which uses long, thin cylindrical rollers resembling needles