Lip Seal; 4-1/2" Shaft Dia; 6.015" Housing Bore; 0.55" Nominal Width; Nitrile Lip; Solid Seal; 0.55" Actual Width; Not Spring Loaded; 4 Sealing Lips; No Lip Retainer; Steel Case; X12 Seal Design Code

4-7/8" Shaft Dia; 6.015" Housing Bore; 5/8" Nominal Width; Nitrile Lip; Solid Seal; 5/8" Actual Width; Spring Loaded; 3 Sealing Lips; Carbon Steel Garter Lip Retainer; Steel and Rubber Case; 7 Seal Design Code