3-1/2" Shaft Dia; 4-1/4" Housing Bore; 1/2" Nominal Width; Gylon Lip; Solid Seal; 1/2" Actual Width; Not Spring Loaded; 1 Sealing Lips; No Lip Retainer; 316 Stainless Steel Case; PS-I Reverse Seal Design Code

3-5/8" Shaft Dia; 4-1/4" Housing Bore; 0.312" Nominal Width; Gylon Lip; Solid Seal; 0.312" Actual Width; Not Spring Loaded; 1 Sealing Lips; No Lip Retainer; Stainless Steel Case; P/SI | 61 Seal Design Code

3-1/8" Shaft Dia; 4-1/4" Housing Bore; 1/2" Nominal Width; Mill-Right ES Lip; Split Seal; 1/2" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Finger Lip Retainer; Rubber Case; 23 Seal Design Code

3-1/4" Shaft Dia; 4-1/4" Housing Bore; 5/8" Nominal Width; Mill-Right N Lip; Solid Seal; 5/8" Actual Width; Spring Loaded; 2 Sealing Lips; Stainless Steel Finger Lip Retainer; Steel Case; 53G1 Seal Design Code

3-1/4" Shaft Dia; 4-1/4" Housing Bore; 5/16" Nominal Width; Nitrile Lip; Solid Seal; 5/16" Actual Width; Spring Loaded; 2 Sealing Lips; Carbon Steel Garter Lip Retainer; Steel and Rubber Case; TC Seal Design Code