51140M - SKF Single Direction Thrust Bearing - 200x250x37mm 7005A5TRSULP3 This 61807 2RS1 bearing is

This 61807 2RS1 bearing is a Sealed Thin Section Radial Ball Bearing with a standard radial internal clearance

This 1216J bearing is a double row

79 11 A5TR DU L P3 Series - NSK - Ultra Light Bore Size - 55mm 25 Degree Contact Angle Duplex Universal Light Preload Precision Rating

The bearing's dimensions are 45x100x39

This 6210 2RS C3 KOYO bearing is a Sealed Deep Groove Radial Ball Bearing with a larger than standard radial internal clearance The bearing's dimensions are 50x90x20

51140M - SKF Single Direction Thrust Bearing - 200x250x37mm 7005A5TRSULP3 This 61807 2RS1 bearing isThis 51140M 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 200x250x37. 511 40 M Single Direction Thrust Bearing Bore Size 200mm Machined Brass Cage, Ball Centred