... .NSK,SKF bearing 1. YUDA MACHINERY is a professional wood pellet machinery supplier ,10 years experience in design ,manufacture ,installation ... require and also easy for communication .2.Yuda seraies wood pellet machine ,using NSK ,SKF,and SAG high speed bearing ... material is not sawdust ,that should be crush in advanceand pellet cooler was needed after pelletizingscale and packing systemdo not forget ...