This 51118 bearing is a Single direction thrust bearing with a flat housing locating washer. The bearing's dimensions are 90x120x22.51118Single Direction Thrust BearingBore Size - 90mm

This 51218 bearing is a Single direction thrust bearing with a flat housing locating washer. The bearing's dimensions are 90x135x35.51218Single Direction Thrust BearingBore Size - 90mm

This 51318 bearing is a Single direction thrust bearing with a flat housing locating washer. The bearing's dimensions are 90x155x50.51318Single Direction Thrust BearingBore Size - 90mm

This 51418M bearing is a Single direction thrust bearing with a flat housing locating washer and a machined brass cage, ball centred. The bearing's dimensions are 90x190x77.51418MSingle Direction Thrust BearingBore Size - 90mmMachined Brass Cage,...

This 53218 bearing is a Single direction thrust bearing with a spherical housing locating washer. The bearing's dimensions are 90x135x42.53218Single Direction Thrust Bearing with Sphered Housing WasherBore Size - 90mm

This 53318 bearing is a Single direction thrust bearing with a spherical housing locating washer. The bearing's dimensions are 90x155x59.53318Single Direction Thrust Bearing with Sphered Housing WasherBore Size - 90mm