Koyo 83A916CSH2-9TC4. Outer diameter 55mm. Inner diameter 25mm. Width 15mm. Made in Japan.
Koyo brand. Outer diameter 55mm. Inner diameter 25mm. Width 18mm. Made in Japan.
Koyo DG267215-1LTSH2-Z. Outer diameter 72mm. Inner diameter 26mm. Width 15mm. Made in Japan.