Pella Old Style Patio Door Roller - NO Flange
Housing 2-3/4 x 1-11/16 inch
Housing looks like the new style, but the bottom is NOT Flared out.
Roller Diameter: 3/8 x 1-1/2 inch
Roller Material: Steel
Pella New Style (9013002) roller assembly will NOT work on the OLD STYLE (9013001), the flange drags on the track.
The wood swells and these may be hard to get out - no screws, pushed in from factory - They pull out
This product is similar to or the same as the following part numbers in these brands:
Prime-Line Products: D 1998