2-3/4" Shaft Dia; 3-1/2" Housing Bore; 1/4" Nominal Width; Nitrile Lip; Solid Seal; 1/4" Actual Width; Not Spring Loaded; 1 Sealing Lips; No Lip Retainer; Steel Case; 4S Seal Design Code

2.498" Shaft Dia; 3.501" Housing Bore; 1/2" Nominal Width; Nitrile Lip; Solid Seal; 1/2" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Garter Lip Retainer; Rubber Case; LPD-W Seal Design Code

2.498" Shaft Dia; 3.501" Housing Bore; 1/2" Nominal Width; Viton Lip; Solid Seal; 1/2" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Garter Lip Retainer; Rubber Case; LPD-W Seal Design Code