Double-row closed support roller (roller) with a spherical surface of the outer (outer) ring, without an inner ring, NTN RNA2209LL/3AS for cylindrical shafts.
Roller dimensions 52*85*22.7 mm.
The roller is made on the basis of a needle roller bearing without an inner ring, with contact seals on both sides. Thick-walled outer ring with spherical running surface for use with all types of tracks, for use in conveyor systems and cam drives.

Rated dynamic load 29.3 kN, rated static load 58.5 kN.
Width outer ring: 22.7 mm.
The design of the roller allows the inner ring to be installed separately from the outer ring with the rolling elements.