Common Types of Oil Seals: Profiles of single and double lip oil seals, spring loaded oil seals, reinforced case oil seals and oil seals without springs for general purpose sealing, grease and fluid sealing.

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Common Types of Oil Seals Click on each image for more information.
		Structure
		A2 Metal O.D. with inner case for greater structural rigidity	B2 Metal O.D., most common and economical design	B Metal O.D. with fluid side rubber covered	BR Metal O.D. for greater O.D. sealing ability	C Rubber O.D. for excellent sealing ability
Sealing Element	S General oil sealing application and severe grease sealing application	SA2 (SAX)	SB2 (SBY)	SB	SBR	SC
	T General oil sealing application and severe grease sealing application with exclusion of foreign materials	TA2 (TAX)	TB2 (TBY)	TB	TBR	TC
	V Economical design for grease retention and sealing vicous fluid	VA2 (VAX)	VB2 (VBY)	VB	VBR	VC
	K Economical design for grease retention or sealing viscous fluid with exclusion of foreign materials	KA2 (KAX)	KB2 (KBY)	KB	KBR	KC
	D Double Spring Lips	DA2 (DAX)	DB2 (DBY)	DB	DBR	DC