RNAFW152320 IKO Machined Needle Roller Bearing - 15X23X20MM NU1022-ML/C3-SKF The RNU1009ECP SKF bearing is

The RNU1009ECP SKF bearing is designed to handle high-speed operations while maintaining low noise and vibration levels

This NU2212-E-M1 bearing is a single row cylindrical roller bearing

The NU2238ECML/C3 SKF bearing is designed to handle high-speed operations while maintaining low noise and vibration levels

This GE12FO bearing is a metric steel/steel open type spherical plain bearing with a standard radial internal clearance

This NJ2311WC3 bearing is a single row cylindrical roller bearing

RNAFW152320 IKO Machined Needle Roller Bearing - 15X23X20MM NU1022-ML/C3-SKF The RNU1009ECP SKF bearing isThe RNAFW152320 is an Open Type, Double Row Machined Needle Roller Bearing. This Bearing has no Inner Ring, meaning the Needle Rollers are mounted directly onto the shaft. As such, the Bearing has better running accuracy as it isn't affected by assembling an Inner Ring with the shaft. The Needle Roller Cage means that these Bearings have excellent rotational performance and a simple structure with high accuracy and high speed. The Cage is separable