· 5R Raymond Mill is our key medium model Raymond Mill.5R Raymond Mill capacity can be 5 12t/h and the 5R4119 Raymond Mill powder output size can be adjusted from 40 mesh to 325 mesh ontinuously. 5R Raymond Mill also is named 5R4119 Raymond Mill 5R Raymond Mill have 5 high maganese steel rollers and 1 high maganese steel ring.