7218CD/P4A - SKF Precision Angular Contact - 90x160x30mm NJ321-E-M-C3 This F691X 2Z ZEN bearing

This F691X 2Z ZEN bearing is a Flanged Shielded Miniature Deep Groove Radial Ball Bearing with a slightly larger than standard inside diameter

This 4205BTN NSK bearing is a Open Type Deep Groove Radial Ball Bearing with a modified internal design and a glass fibre reinforced polyamide cage

This NU326-E-M1 bearing is a single row cylindrical roller bearing

This 6820-2RS1 bearing is a Sealed Thin Section Deep Groove Radial Ball Bearing with a standard radial internal clearance

High Carbon Steel

7218CD/P4A - SKF Precision Angular Contact - 90x160x30mm NJ321-E-M-C3 This F691X 2Z ZEN bearing72 18 CD P4A Light Series 90mm Bore Size 15 Contact Angle, High Capacity Design Single Standalone Bearing Carbon Chromium Steel Accuracy Class