540410 - FAG 3204btnc3QBL This GE6ES bearing is a

This GE6ES bearing is a metric steel/PTFE maintenance free open type spherical plain bearing with a standard radial internal clearance

This SBB 14 bearing is a imperial steel/steel open type spherical plain bearing with a standard radial internal clearance

This SBB 64 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

63 09 2RS Medium Series 45mm - Bore Size Rubber Seals on Both Sides of Bearing Normal Radial Internal Clearance

540410 - FAG 3204btnc3QBL This GE6ES bearing is aThis 540410 bearing is an imperial taper roller bearing. The bearing's dimensions are 21x25x2inch