... Characteristics of Structure1Drawn cup needle roller bearing HKCaged ,with open ends BKCaged, with closed ends FFull complement, with open ends FHFull complement,with open ends (Heavy ... endsMHFull complement,with closed ends(Heavy series )2Thrust needle roller bearingAXKThrust needle roller bearingAS,LS,WSthrust washerNTAThrust needle roller bearing(Inch Series)TRA,TRB,TRC,TRDThrust washer(Inch ...