patio door roller are at least 20 years old

A quick learner from New Hope, Pa says:
August 18, 2022
Thumbnail of the uploaded file named IMG_20220814_135729_HDR.jpg
Thumbnail of the uploaded file named IMG_20220814_135719_HDR.jpg
Profile picture of Casey
Casey from SWISCO responded:
August 19, 2022

Hello,

I would recommend starting by comparing the dimensions shown on the 81-154 product page to your roller assembly. Thanks for posting! 
Tandem Roller Assembly, 1-1/4" Steel BB Concave
Tandem Roller Assembly, 1-1/4" Steel BB Concave
81-154
$17.70
How to identify patio door rollers
How to identify patio door rollers
VIDEO
WATCH >
How to Replace a Patio Sliding Glass Door Roller [1080p]
How to Replace a Patio Sliding Glass Door Roller [1080p]
VIDEO
WATCH >
How to maintain a sliding glass door
How to maintain a sliding glass door
GUIDE
READ >
How to replace a sliding glass door roller
How to replace a sliding glass door roller
GUIDE
READ >
Identifying the right replacement roller for your sliding glass door
Identifying the right replacement roller for your sliding glass door
GUIDE
READ >
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)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.