Single-row closed support roller (roller) with a spherical surface of the outer (outer) ring NTN NA22/6LL/3AS for cylindrical shafts.
Roller dimensions 6*19*12 mm.
The roller is made on the basis of a needle roller bearing with an inner ring, closed by contact seals on both sides. Thick-walled outer ring with spherical running surface for use with all types of tracks, conveyor systems and cam drives.

Rated dynamic load 4.55 kN, rated static load 4.25 kN.
Width outer ring: 11.8 mm.
Inner ring width: 12 mm.
The design of the roller allows the inner ring to be installed separately from the outer ring with the rolling elements. Lubrication holes on the inner ring make it easy to re-lubricate the assembly without disassembly.