AS81820 Type 'A' Long Life (100,000 cycles), Narrow and Wide
AS81820 Lined Bore Series, Narrow and Wide
High Misalignment
Sealed Narrow
Sealed Wide. ...........LOTS AND LOTS OF AS81820 bearings which ones is TPAC approved for ,TPAC may just have approval on different AS81820 then those other companies have .Fujian is only certified for 3types of AS81820