10-3/16" Shaft Dia; 11-1/2" Housing Bore; 25/32" Nominal Width; Nitrile Lip; Split Seal; 25/32" Actual Width; Not Spring Loaded; 1 Sealing Lips; No Lip Retainer; Rubber Case; 143 Seal Design Code

10-3/16" Shaft Dia; 12-1/4" Housing Bore; 1" Nominal Width; Mill-Right N Lip; Solid Seal; 1" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Finger Lip Retainer; Steel Case; 59 Seal Design Code