Double row cylindrical roller bearings are available in several designs with a cylindrical or tapered bore. The standard assortment presented in this section includes:

NNU design bearings 
NN design bearings 
NNUP design bearings 

Features and benefits
High load carrying capacity 
Low friction (Roller end / flange contact area) 
Long service life 
Enhanced operational reliability 
Separable and interchangeable 
High speed capability