Unknown manufacturer roller

Question

I would like to be able to identify exactly which brand and size of patio door roller these are in order to replace.  I have searched the door on all sides and surfaces and can find no manufacturer name.  The door is: 77 1/2 high x 70 1/2 wide.  Vinyl frame.  Moveable section is:  36 1/2 x 77.

Tom · Accepted Answer

Your roller is similar in design to our 81-157, but I'm not sure how it compares in terms of size. The size of the roller in this case is more important than the size of the door. Carefully review the dimensions we show on the 81-157 store page to confirm if this lines up with your original part.