Ball Bearing Inserts. Constructed of high quality 52100 steel, ball bearing inserts are used inside pillow block and flange housings or in custom housed applications. They are most commonly produced with a spherical OD to allow for misalignment, but are also available with a cylindrical OD.INSERT BEARINGS. Select an icon as you hover over the photo for specs or a larger image; UC ... Cylindrical OD, Snap Ring, Regreasable. SER Normal Duty, Wide Inner Ring, Set Screw Lock, Cylindrical OD, Snap Ring, Regreasable. SA & CSA SA - Normal Duty, Narrow Inner Ring, Eccentric Locking Collar, Spherical OD, Relube & Non-Relube.

Insert bearings (SKF Y-bearings) are based on sealed deep groove ball bearings in the 62 and 63 series, but have a convex outer ring and in most cases an extended inner ring with a specific locking device, enabling quick and easy mounting onto the shaft.