Heavy Duty Train Railway Bearing 120*195*131.35 Subway Taper Roller Bearing 1639609 DE

Design features 

Through hardened steel is usually much  cleaner and has less inclusions than case  carburized steel. Through hardened steel  offers, in many applications, a better  performance. For applications like  locomotives, multiple units, passenger  coaches, mass transit vehicles as well as  freight cars with closed axlebox designs,  through hardened steel is widely used.  As an alternative, for freight cars with  adapter applications, SKF offers special  versions based on the advantages of  multiple material combinations. The very  exposed outer rings are case carburized.  The inner rings are either through hardened  or case carburized, depending on the  specific customer request. The rollers are  through hardened. With these material  selection options, a higher reliability can be  achieved.

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