Lip Seal; 3-1/2" Shaft Dia; 4.45" Housing Bore; 0.531" Nominal Width; Nitrile Lip; Solid Seal; 17/32" Actual Width; Not Spring Loaded; 1 Sealing Lips; No Lip Retainer; Steel Case; HM12 Seal Design Code

3-1/2" Shaft Dia; 4.456" Housing Bore; 0.843" Nominal Width; Nitrile Lip; Solid Seal; 0.843" Actual Width; Spring Loaded; 3 Sealing Lips; Carbon Steel Garter Lip Retainer; Steel and Rubber Case; 7 Seal Design Code

3-1/2" Shaft Dia; 4.45" Housing Bore; 0.525" Nominal Width; Nitrile Lip; Solid Seal; 0.525" Actual Width; Not Spring Loaded; 1 Sealing Lips; No Lip Retainer; Steel Case; 278 Seal Design Code