Roller Replacement Axle, 1/4" x 1"

Hi there, I am helping my friend fix her sliding glass door The center door is the only pieces of glass (there are 3 panels tot) that moves and one of the rollers popped out. Ideally I would like to replace both rollers, use the existing frame and glass, but I cannot figure out how to get the s ... (cont.)

I looking for replacement rollers and possibly the housing as well for the attached images. The house was built in the 57 and I think the sliding glass door / sunroom was added early to mid 60's. The frame is entirely aluminum . There are 2 rollers on each door panel . Each door is 48" x 81" approx. ... (cont.)

But I anticipate rebuilding two axles and wheels. Please, not that the axle is 3/4" long and so is the frame of the patio door it sits in. Can't find this size on your page. Help.

Markings: Del Mar Eng Long Beach CA Pat Pending it looks like the D7000 series style from PE Del Mar catalog p 13, but I am not sure which one it is the wheel diameter is 1.5" on PE Del Mar catalog B=D=1.48" A =.625 I would like stainless steel as the door is near the ocean

We purchased a house with two sliding glass doors that need new rollers. We don't see any brand name markings on the doors, but the wheel is imprinted on the side with " KILIAN " TORONTO, CAN. SYRACUSE, N.Y. The wheel assembly is held in place with a 15/16 inch spring pin, and the wheel is hel ... (cont.)