This GE 57 ZO bearing is a imperial steel/steel open type spherical plain bearing with a standard radial internal clearance. The bearing's dimensions are 2.1/4 x 3.9/16 x 1.969.GE57ZOMetric radial spherical plain bearing57mm - Bore SizeModel Code

This GE 57 ZO 2RS bearing is a imperial steel/steel spherical plain bearing with a rubber seal on both sides of the bearing and a standard radial internal clearance. The bearing's dimensions are 2.1/4 x 3.9/16 x 1.969.GE57ZO2RSMetric radial...