I’m looking for a heavy-duty ball caster that can be recessed into a solid 3″ square leg.

Rockler #24695 has been discontinued, so I’m looking for a source of discontinued items or a similar sized caster. 

The Rockler number had a 150-pound rating, required a one inch deep, 1-1/4 diameter hole for the recess and a 1-1-2 in deep- 3/8 diameter hole for the stem.

Thanks for any leads leading to a similar recessed caster, or a source that might still have the discontinued Rockler part. I