... in automotive, rolling mill, mining, metallurgical, plastic machinery, etc.1 inch tapered roller bearing size:d=20mm,D=42mm,T ... =15mm,B=15mmTapered roller bearing1.material:chrome steel2.quality certification:ISO9001:2000 system3.precision level:P0,P64.service: ... prompt delivery,OEM available5.Advantage:competitive prices with excellent quality Hot Sale Good Quality 1 inch tapered roller bearing