Spherical Plain Bearings: • inch series • metric series interchange tables • engineering

Tables below show approximate equivalency. All manufacturers bearings may not be functionally or dimensionally interchangeable.

• LOAD SERIES INCH
• LOAD SERIES METRIC

For numeric bore size conversion between manufacturers:
Inch Series or Metric Series
GENERAL SERIES INTERCHANGE • LOAD SERIES INCH
LOAD SERIES INCH NATIONAL R.B.C. SKF TORRINGTON ELGES IKO
Standard Duty Unsealed GEZ ( ) ES B ( ) -L GEZ ( ) ES ( ) SF ( ) GE ( ) Z0 SBB ( )
Sealed GEZ ( ) ES-2RS B ( ) -LSS GEZ ( ) ES-2RS ( ) SF ( ) -TT GE ( ) Z0-2RS SBB ( ) -2RS
Self Lubricating Sealed GEZ ( ) ET-2RS B ( ) -LFSS GEZ ( ) TE-2RS ( ) SFL ( ) – –
Heavy Duty Unsealed GEGZ ( ) ES BH ( ) -L GEZH ( ) ES ( ) SFH ( ) – –
Sealed GEGZ ( ) ES-2RS BH ( ) -LSS GEZH ( ) ES-2RS ( ) SFH ( ) -TT – –
Standard Duty
Extended Inner Race		 Unsealed GEWZ ( ) ES B ( ) -EL GEZM ( ) ES – – –
Sealed GEWZ ( ) ES-2RS B ( ) -ELSS GEZM ( ) ES-2RS – – –
Angular Contact (thrust type) GACZ ( ) S B ( ) -SA GAZ ( ) SA ( ) SBT ( ) – –

GENERAL SERIES INTERCHANGE • LOAD SERIES METRIC
LOAD SERIES METRIC NATIONAL R.B.C. SKF TORRINGTON ELGES IKO
Standard Duty No Lube Groove or Oil Holes GE ( ) E – GE ( ) E – GE ( ) DO GE ( ) E
Unsealed GE ( ) ES MB ( ) GE ( ) ES ( ) FS ( ) GE ( ) DO GE ( ) ES
Sealed GE ( ) ES-2RS MB ( ) -SS GE ( ) ES-2RS ( ) FS ( ) -TT GE ( ) DO-2RS GE ( ) ES-2RS
Self Lubricating Sealed GE ( ) ET-2RS MB ( ) -FSS GE ( ) TE-2RS – GE ( ) UK-2RS GE ( ) EC-2RS
Heavy Duty Unsealed GEG ( ) ES MBH ( ) GEH ( ) ES ( ) FSH ( ) GE ( ) FO GE ( ) GS
Sealed GEG ( ) ES-2RS MBH ( ) -SS GEH ( ) ES-2RS ( ) FSH ( ) -TT GE ( ) FO-2RS GE ( ) GS-2RS
Standard Duty
Extended Inner Race		 Unsealed GEEW ( ) ES – GEG ( ) ES – GE ( ) LO –
Sealed GEEM ( ) ES-2RS MB ( ) -ESS GEM ( ) ES-2RS – GE ( ) HO-2RS –
Angular Contact (thrust type) GAC ( ) S MB ( ) -SA – – GE ( ) SX –


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