The 2 inch 90 elbow male-female is commonly used with 2 inch rigid pipe and 2 inch flexible rigid pipe. Best to use a plumbing cleaner then pipe cement to assemble. Pipe work pushes inside this part at the female end and at the male end it pushes in to a female socket.
Internal Diameter: 52 mm (male end) 60 mm (femlae end)
Outer Length: 110 mm
Depth / Diameter: 60 mm (male end) 78 mm (female end)