One (1) AMI Bearings SER205FS Set Screw Locking Ball Insert Bearing 25 mm ID
See photos for details. Cheapest option. Takes longer. Much faster. More expensive.
Asahi/Ami SER205 Used Ball Bearing Insert 25mm x 52mm x 34.9 mm No Snap Ring
Used – Shows little or no wear, was removed from new assembly. MISSING SNAP RING.