Sliding glass door roller

Quick Learner from Pennsylvania
Took door off cause opening it was difficult. Took rollers off and cleaned and lubricated. Del mar engineering 
                            Long beach Cal.
                            Pat. 3,670,357
I can't find a door manufacturer so all I have is pat # on rollers. Can you find a roller for me? 
 
 
ong beach Cal. 
2 Replies
Bob
Bob from SWISCO
SWISCO
Expert

Thanks for posting. Sometimes that patent code has been associated with a roller like the 81-148, but this is just a guess. Without seeing the old roller removed from the door there is no way to know for sure what you need. There's too much variability with these rollers, even when you know the brand of the door. We highly advise removing the roller and comparing with the dimensions below to ensure it matches up. Let us know if it does not, or if you have further questions.

Alternate image for 81-148
Alternate image for 81-148

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