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81-133 Sliding Door Roller, Alcan

This is the roller that came out of my door , but the repair man replaced it with a steel roller assembly which worked much better, which Steel roller assembly is compatible to finish the rest of my doors.

I need to replace my sliding glass door rollers. The only numbers on the part I have is 4639970. I looked it up, it seems to be a patent number. Any help?

What type of bearings are in the 81-133?

I.m sure I'm right with the 81-133 replacement. Do they come with install instructions? If not do they install from the bottom or must you remove the lower frame? I have a Norandex (Reynolds) 501 series 96-0608-20 series 96-0608-20 Thanks in advance Ron

Do you carry a single wheel roller for a glass sliding door, has an inscription on the side that reads "ALCAN 463997C". Thanks for your support.

I just placed an order for the 81-133 and I am not sure if they are the right rollers that I need. Attached are the pictures. Thanks

The nylon wheels on my sliding door have worn out leaving BB's in the track. One side I removed the nylon wheel is worn around the bearing area. The assembly for this door is Product code 81-133 for an Alcan/Norandex brand. My question is would it be feasible to replace the nylon wheels and axles ... (cont.)

I have no Idea what kind of door this is. It has a tag from Norandex but when I call them They said they don't make Slididng glass doors they just order them. This is the only tag on the door so I have no Idea who manufactured this door But the wheels I'm looking at (81-133) look similar to the ones ... (cont.)