... -vee Tapered Roller 1.Tube Dia:50mm 2.Shaft Dia:12/15mm 3.Material:Steel,Zinc-plated,tapered sleeve Product introductionPoly-vee Tapered roller 1.Based on the 1200 series ... the workshop covers 11,000 square meter,and the roller manufacturing capacity is 3,000,000 pcs/year.As the leader of ... , and any discussion for cooperation is welcome! ISO9001 Poly-vee Tapered Roller