Lip Seal; 1.77" Shaft Dia; 2.364" Housing Bore; 0.427" Nominal Width; Polyacrylate Lip; Solid Seal; 0.427" Actual Width; Spring Loaded; 2 Sealing Lips; Carbon Steel Garter Lip Retainer; Steel Case; HMSA21 Seal Design Code

Oil Seal; 1.77" Shaft Dia; 2.627" Housing Bore; 0.312" Nominal Width; Gylon Lip; Solid Seal; 0.312" Actual Width; No Spring Loaded; 1 Sealing Lips; None Lip Retainer; Stainless Steel Case; P/SI | 61 Seal Design Code

1.77" Shaft Dia; 2.627" Housing Bore; 5/16" Nominal Width; Gylon Lip; Solid Seal; 5/16" Actual Width; Not Spring Loaded; 1 Sealing Lips; No Lip Retainer; 316 Stainless Steel Case; PS-I Seal Design Code