... delivery 4.High quality Supply SHEKTE 306/47 Tapered roller bearing 1.Types:319series,329series,310series,320series,330series,322series, ... 332series etc.2. Material: Gcr15-China,(AISI)52100-USA,(DIN)100CR6-Germany3. Retainer: steel cage4. Precision level: ... various types of industrial machinery.7. Packing: individual box single plastic bag, cartons and wooden cases8.Production range: ...