Anderson sliding patio door rollers

A contractor from Virginia says:
Need replacements for these Anderson patio door tandem rollers with numbers stamped on them as: 7163-2 on the outside casing and 7116-5 on the roller assembly.
Closed length is 4 1/16" roller wheel end to roller wheel end by 1 1/4" tall rollers.
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Casey from SWISCO responded:

Hello,

Take a look at our 81-128 Andersen sliding glass door roller and see if the specifications match up to yours. Thanks for posting! 

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