Lip Seal; 1-15/16" Shaft Dia; 2.578" Housing Bore; 0.294" Nominal Width; Nitrile Lip; Solid Seal; 0.294" Actual Width; Not Spring Loaded; 2 Sealing Lips; No Lip Retainer; Steel Case; HMA4 Seal Design Code

1-15/16" Shaft Dia; 2.578" Housing Bore; 0.297" Nominal Width; Nitrile Lip; Solid Seal; 0.297" Actual Width; No Spring Loaded; 2 Sealing Lips; None Lip Retainer; Steel Case; KMJ Seal Design Code

1-15/16" Shaft Dia; 2.578" Housing Bore; 0.292" Nominal Width; Nitrile Lip; Solid Seal; 0.292" Actual Width; Spring Loaded; 2 Sealing Lips; Carbon Steel Garter Lip Retainer; Steel and Rubber Case; 25 Seal Design Code