Pizzi glass door roller

A home owner from Monterey , California says:
Need the rollers for Pozzi glass patio door . Heavy
Door . Part number is 30622 , can't read properly
1980 patent 4194.266.
Which rollers should I purchase .
I need six of them
Thank you

Jay
User submitted photos of a patio door roller.
Profile picture of Tom
Tom from SWISCO responded:
Jay, thank you for posting. The roller assembly you are looking for is 81-018. We also carry the stainless steel version 81-149
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