7409BGM - SKF Angular Contact Bearing - 45 x 120 x 29mm Spherical Plain 50x90x56mm This 6009DDU NSK bearing is

This 6009DDU NSK bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 45x75x16

This 61910 2RZ bearing is a Sealed Thin Section Deep Groove Radial Ball Bearing with a non-contact rubber seal

The bearing's dimensions are 35x80x22

6812 DD Bearing Steel Thin Section with A Bore Diameter of 60mm Two Rubber Seals Normal Internal Clearance

7409BGM - SKF Angular Contact Bearing - 45 x 120 x 29mm Spherical Plain 50x90x56mm This 6009DDU NSK bearing isThis 7409BGM bearing is a single row angular contact bearings with a 40 contact angle, a universally matching design and a machined brass cage. The bearing's dimensions are 45x120x29. 74 09 B M 74 Series Heavy 45 mm Bore Size Contact Angle Single Row Bearing with a 40 Contact Angle Standard Internal Design Machined Brass Cage