The IKO NAU4918UU belongs to the Roller Bearings product series and uses a cage-type internal structure. The supplied data identifies it as a caged roller bearing with seals and an outer ring designed with oil holes.
The bearing is specified with a 90 mm shaft and inside diameter, a 125 mm outer diameter, and a 35 mm width. The listed bearing material is high carbon chrome steel, while the descriptive product information also refers to high carbon steel.
The supplied data lists a basic dynamic load rating of 79500 N and a basic static load rating of 130000 N. The product description also states that the bearing includes seals and an outer ring with oil holes.