Cox 21-717 21-767 . They have the same number however the appear different

A home owner from USA says:
My Cox rollers have the same number on them but they don't look the same.
What parts should I order
User submitted photos of a closet door roller.
Profile picture of Tom
Tom from SWISCO responded:
Check out our 23-070 and 23-086, these look like they might be good matches. The 23-086 may be the better choice since it has a ball-bearing wheel, which we feel operates more smoothly.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)