Single row cylindrical roller bearing NJ/NU/NUP

Brand :
SKF
Caution
Product Description
NU type: Outer ring with two fixed ribs / smooth inner ring. NJ type: Outer ring with two fixed ribs / inner ring with one fixed rib. NUP Type: Outer ring with both two fixed ribs / inner ring with one fixed rib. The side without a rib has a rib separate to the inner ring.