Slider roller assembly

I need a set of rollers for a PS11 6L sliding door. The number on the roller assembly is 7116-5. There is also a B stamped on it. The total length including rollers is 4 1/8", distance between rollers pin to pin is 2 7/8", frame length excluding rollers is 3 3/8", roller diameter is 1 1/4", frame height is 1 1/16", total frame width including adjustor is 11/16".