Tapered roller bearings with metric and inch size standard. Material is GCr15,production range of inner diameter is from 9.4 mm to 250mm, out diameter is from 15mm to 270mm and produce precision for P6X,P6 and P5 grade. We have more than 20 years bearing production experience, till now already designed and developed 500 items of singe-row taper roller bearings. We pay attention to quality as top job.Our products are mainly used in automobile, mill, mining, metallurgy, reducer, plastic machinery and other industrial using.