EVERGLORY INDUSTRY CO.,LTD is a bearings manufacturer of all precision bearings of Backing Bearings, Spherical Roller Bearing, Taper Roller Bearing, Cylindrical Roller Bearing , Deep Groove Ball Bearing , Crusher Bearings and Vibrating Screen Bearings . EGI BEARING products are been selling well in the United States, Germany, Austria, Belgium, Spain, Italy...
There are two main types of double row cylindrical roller bearings: NNU design and NN design. The NN design has double ribs on the inner ring and no ribs on the outer ring.
NNU type design has no ribs on the inner ring and double ribs on the outer ring. The tapered hole structure can adjust the radial clearance during installation.
This type of bearing has the advantages of compact structure, high rigidity, large carrying capacity, and small deformation after being loaded.
It is especially suitable for machine tool spindle support.