Product Name: Inch Tapered Roller BearingModel Number: Inch SizePlace of Origin: ChinaWe are professional in the bearing market for many years and now we have own factory. And our brand JHB enjoys the good reputation at home and abroad in many areas. We insist giving our customers the best products at the most competitive price. Features: 1) All items are produced by JHB, which is ISO certified manufacturer 2) Materials: 100% GCr15, which is equivalent to AISI52100