22318EAE4 - NSK Spherical Roller Bearing - 90x190x64mm B7002-E-T-P4S-UL-FAG Super Precision Angular Conta 73 21 B MP UO

73 21 B MP UO Metric

The convex shape of the Bearing Inserts outer ring along with the concave sphered shape inside the housing gives this UCFC210-31 Oval Flanged Unit the ability to self-align

543 06 Double Direction Thrust Bearing with Sphered Housing Washers Bore Size - 25mm

so therefore you’ll often find it in garage door drives

This YET205-100U bearing is a Self Lube Bearing Insert with bearing without eccentric locking collar

22318EAE4 - NSK Spherical Roller Bearing - 90x190x64mm B7002-E-T-P4S-UL-FAG Super Precision Angular Conta 73 21 B MP UOThis 22318EAE4 bearing is a Spherical Roller Bearing with high capacity steel cage, an annular groove in the outer ring with three lubrication holes and a standard radial internal clearance. The bearing's dimensions are 90x190x64. 223 18 EA E4 Heavy 90mm Bore Size High Capacity Steel Cage Cylindrical Bore Groove & Holes, Outer Normal Internal Clearance