LOAD SERIES

General Series Interchange Table

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	INA	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	INA	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	–