single roller for 8ft x 5ft mirrored wardrobe doors---very heavy

A quick learner from Fallbrook Ca. says:
If you could help me identify this part. A single roller for 8ft tall and 5ft wide mirrored wardrobe doors. I would need a total of 8 new rollers.
Roller measures as pictures show 2 7/16 inches long--9/16 wide---1 1/2 overall height, roller is 1 1/4 and it is neoprene not metal.
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Bob from SWISCO responded:

Thanks for writing in. I believe the closest roller we have to your old one is the 81-229. Double-check the dimensions to see if this could work for you. Keep in mind the 81-229 has a steel wheel, rather than a nylon one; but in our experience with this particular roller the steel wheel should work fine and not cause any wear on the track. Let me know what you think.

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