1.Meterial:GCr15 2.High speed, less friction 3.Sample: Available 4.High Precision Roller Bearing, ... , Tapered Roller Bearing:1.Less coefficient of friction, High limiting speed, Large size range, Variations of structure.2.Tapered Roller Bearings ... package or as customers' requirementPriceFOB, CFR, CIFDelivery Time20-30days JPZZ Professional supply high quality trapered roller bearing