... :35mmHigh:47.6mmLength:167mmWeight:1.6KGS1.Material : Gcr15(Chrome steel)--China,(AISI)52100---American ,(Din) 100Cr6---Germany 2.Precision level:ABEC ... -1,ABEC-3, P0/ P6 3.Fields Used in : mining machinery, Construction machinery, Metallurgical equipment, paper machinery, Food Machinery ... requirement to manufacture it. Cheap Price UCP207 Pillow Blcok Ball Bearing From China