Product:Four Row Taper Roller Bearing Characteristics: 1. Four row taper roller bearing is designed with tapered inner and outer ring raceways.Tapered rollers are arranged between inner raceway and outer raceway. 2. The projection lines of all the tapered surfaces cross at one point on the bearing axis. 3. Four row taper roller bearing is superior to double row taper roller bearing in that four row taper roller bearing can carry larger load and has lower limiting speed. 4. Our four row atper roller bearings are mainly used in rolling mills and other heavy-duty equipment 5. They are various in designs and sizes,so your various requirements can bu satisfied.