Norma 5-5/8 inch Deep Groove Ball Bearing S3618 NOS
This 40x90x33mm bearing feels reliable, and it is simple to clean and maintain.
Norma Cylindrical Roller Bearing Inner Ring W/ Caged Rollers (No Box) XA-192 NOS
The listing it as 6004-ZZ, and that helps me match it with existing spares.