roller bearings for sliding glass door

A home owner from Lawrenceville, Georgia says:
November 7, 2016
My home was built in 1986. I have six sliding glass doors . Five are 8ft. and one is six ft. They are Krestmark doors. I need six pairs of bearings assemblies for the bottom of the sliders.

Thank you.
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Paul from SWISCO responded:
November 10, 2016
I'm afraid I cannot say for sure what roller would replace yours without seeing the original. Some customers with Krestmark doors have used our 81-278, but this is no guarantee. I highly recommend removing your existing roller and comparing it to the pictures, dimensions, and information we show for the 81-278 to confirm.
Patio Roller Assembly, 1-1/2" Steel Ball Bearing
Patio Roller Assembly, 1-1/2" Steel Ball Bearing
81-278
$7.97
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