Roller replacement

A home owner from Kirkland, Washington 98033 says:
I'm trying to replace rollers on my patio sliding doors. The company is Truth USA and part number is 30410 with
US patent number 4194266.

Thank you,

Jim Heaverlo
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Tom from SWISCO responded:
I'm afraid I cannot identify what you have based on this information. If possible, please show us a picture of the roller removed from the door. Please also give me your measurements.
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