... friction 3.Sample: Available 4.High Precision Roller Bearing, Taper Bearing, Tapered Roller Bearing:1.Less coefficient of friction, High limiting speed, Large size ... , Z, 2Z, 2RZ etcPackagepallet, wooden case,industrial package or as customers' requirementPriceFOB, CFR, CIFDelivery Time20-30days JPZZ Professional supply high quality trapered roller bearing