The RNAST30R is an IKO Roller Follower listed under the category path Brand > IKO > Roller Followers. The product data identifies it as a metric, separable, open, crowned roller follower without an inner ring.
The supplied data specifies the RNAST30R with an inscribed circle diameter and shaft diameter of 38 mm, an outer diameter of 62 mm, and a width of 19.800 mm. The stated minimum rs value is 0.000, and the bearing material is high carbon chrome steel.
The RNAST30R has a recorded basic dynamic load rating of 30500 N, a basic static load rating of 45400 N, and a mass of 255.0 g. Its configuration is described as caged, separable, open, crowned, and supplied without an inner ring.