50x90x20 mm ZKL 1210 self-aligning ball bearing with two rows of balls compensates minor shaft-to-housing misalignment. It is intended mainly for radial loads and limited axial loads in both directions.
40x90x33 mm DKF bearing with the complete designation NU 2308 DKF. When selecting a replacement, compare the full designation, dimensions and design required for the application.
55x90x22 mm SKF 51211 thrust ball bearing is designed to carry axial load in one direction. It is used where force acting along the shaft axis must be reliably supported.