Attributes . 42" Shaft Dia; 44-3/16" Housing Bore; 0.973" Nominal Width; Carboxylated Nitrile Lip; Solid Seal; 0.973" Actual Width; Spring Loaded; 2 Sealing Lips; Stainless Steel Garter Lip Retainer; Steel and Rubber Case; HSA7C Seal Design Code . Names