71918ACD/HCP4ADGA - SKF Precision Angular Contact - 90x125x18mm NU417MNSK This 2MM219WICRSUH bearing is a

This 2MM219WICRSUH bearing is a Super Precision Angular Contact Bearing with a 15° Contact Angle and a Phenolic Cage

The bearing's dimensions are 20x72x19

72 13 B MP Light Series 65mm - Bore Size Angular Contact with 40° Contact Angle Brass Solid Window Cage -

This jhm534149-90-b01 bearing is an imperial taper roller bearing

71918ACD/HCP4ADGA - SKF Precision Angular Contact - 90x125x18mm NU417MNSK This 2MM219WICRSUH bearing is a719 18 ACD HC P4A DG A Ultra Light Series 90mm Bore Size 25 Contact Angle, High Capacity Design Bearing Grade Silicon Nitride (Hybrid Bearing) Accuracy Class Set of Two Bearings for Universal Matching Extra Light Preload