Roller with Sprocket

Conveyor roller with sprocket. The material of the roller is steel, and the material of the sprocket is S45C.
The number of sprocket teeth is 10, and the compatible chain is CHE40. The length of the roller part can be selected from 100, 200, 300, 400, and 500. Manufacturer recommended axis: Φ11.9 (+0,-0.1)