Tapered roller bearing

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Tapered roller bearing is designed in such a way that cone paexes of inner ring raceway,outer ring raceway and roller raceway intesects at one point of its central line.Beside metric series products,there are inch series products,which are applicable for heavy load and impact load. 1,Single row tapered roller bearing It can bear simultaneously radial load and single row axial load. When carrying radial load,it creates axial thrust load.Thus two bearings are configured (or combined)face to face or back to back. According to contact angle difference,it is classified into three types:small come angle, medium cone angle and big cone angle. 2,Double row tapered roller bearing It is classifide into two types:capped and open. The former equips two raceway outer rings and two single raceway inner rings.The latter equips two raceway outer rings and one double raceway inner ring.Both of them can bear radial load and double row axial load.In order to make bearing having required internal clearance after eing installed,its inner/outer spacer are thinned preciously. 3,Four row tapered roller bearing Four row tapered roller bearing is composed of two double row inner rings and one double row outer ring consisting two single outer rings.Between two inner rings,there is one inner spacer.Among these three outer rings, two central spacer is furnished,which can be used to adjust clearance. When borne by heavy radial load, it can bear simultaneously acial load in two different directions.But its allowed speed is not much,which is mainly used for roller bearing of rolling mill.In recent years,fout row tapered roller bearing with double face seal is manufactured and gradually used in diferent industries. Small sized bearing of this kind is generally made by bearing steel.For large sized one, its is made by carburizing steel.For extremely large sized one,it is made consisting hollow roller and support cage to elongate its sercice life. 4,Tolerance and clearance Its tolerance is P0 generally.Bearingwith much more high level tolerance can be tailored according to client's manufacturing.During assembly,its clearance shall be adjusted according to adjustment specification and bearing manufacturing agreement(or standard clearance if there is no manufacturing agreement).After operating a certain period,client can readjust clearance.

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Zibo Youwin International Trade Co., Ltd

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