The convex shape of the Bearing Inserts outer ring along with the concave sphered shape inside the housing gives this UCP209-26 Pillow Block Unit the ability to self-align
This GE60GS 2RS bearing is a metric steel/steel spherical plain bearing with a rubber seal on both sides of the bearing and a standard radial internal clearance
The NU215ECJ SKF bearing features a cylindrical roller design
This S7011CE/HCP4ADGA bearing is a Super Precision angular contact bearing with 2 rubber seals
One Flange on Inner Ring Light 55mm - Bore Size Extra Capacity Design Glass Fibre Reinforced Polyamide Cage Internal Clearance Greater Than Normal
23220CKE4C3 - NSK Spherical Roller Bearing - 100x180x60.3mm BR182620UU IKO Bearing The convex shape of theThis 23220CKE4C3 bearing is a Spherical Roller Bearing with a guide ring centred on a flangeless inner ring, two stamped steel cages, a 1: 12 tapered bore, an annular groove in the outer ring with three lubrication holes and a greater than normal radial internal clearance. The bearing's dimensions are 100x180x60. 3. 232 20 C K E4 C3 Medium, Wide 100mm Bore Size Two Piece Steel Cage Guide Ring 1: 12 Tapered Bore Groove & Holes, Outer Internal Clearance