Single row insert bearing 1726310 B-2RS1/VP274 by SKF brand.

Cylindrical bore type for 1.969 in. / 50 mm. shaft diametr, outer ring surface is spherical, standard inner ring for a fit seat.
Made of hardened carbon chromium bearing steel, most widely used material for bearing rings and rolling elements.
Principal dimensions is 1.969х4.331х1.063 in. equal to 50х110х27 mm.
The inner ring with interference fit, suitable for bearing arrangements with an alternating direction of rotation and offer smooth running.
Without coating.
Two lubrication holes in the outer ring, one on each side, positioned 120° apart for re-lubrication feature.
Capped by standard contact seal on both sides. Standard seals consist of a stamped sheet steel washer with a seal lip made of NBR, vulcanized to its inner surface. Non-contact sheet steel washer, a narrow gap with the inner ring shoulder protect the seal against coarse contaminants. Greased with the appropriate amount of high quality grease under clean conditions.
Relubrication can extend bearing service life if the bearing have lubrication holes.
Polymer cage.
Metric series product.

Radial insert ball bearings are based on sealed deep groove ball bearings, this is ready-to-fit machine elements. They are highly suitable where predominantly radial loads must be supported. These bearings also give quieter running and lower vibration levels than standard radial insert ball bearings.

Picture for illustration purposes only, product may differ from image. See technical specification for details.