Patio door roller

Roller is from an 8 foot sliding glass patio door. The house was built in 1965 and the patio door is original. There are two rollers, one on each side. I purchased rollers from you about 20 years ago but can't find receipt or part number.
Wheel diameter is 1 1/2 inches.
 Frame dimensions are,
Length 2 1/8 inches not including L bracket
Length 2 1/2 inches including L bracket
Height 1 5/8 
Width 9/16 inch