... 2.ISO9001:2000 3.SKF,NSK,FAG 294/900 Spherical Thrust Roller BearingDetails: (1)Shield / closure: Open ball bearing, Z, ZZ, RS ... )Retainer: PTFE, nylon, PEEK or (stainless)steel 294/900 Spherical Thrust Roller BearingApplications:Equipment,onshore and offshore crans,excavator,concrete machine,paper ... ,TIMKEN,KOYO,NICHI,FAG,and so on. 294/900 Spherical Thrust Roller Bearing