505MM Shaft Dia; 555MM Housing Bore; 21MM Nominal Width; Nitrile Lip; Solid Seal; 21MM Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Garter Lip Retainer; Steel Case Construction; HDS2 Seal Design Code

19.882" Shaft Dia; 21.85" Housing Bore; 0.787" Nominal Width; Mill-Right N Lip; Split Seal; 0.787" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Finger Lip Retainer; Rubber Case; 23-L Seal Design Code

19.882" Shaft Dia; 21.85" Housing Bore; 13/16" Nominal Width; Mill-Right N Lip; Split Seal; 13/16" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Finger Lip Retainer; Rubber Case; 23-L Seal Design Code

19.882" Shaft Dia; 22.63" Housing Bore; Mill-Right N Lip; Solid Seal; Spring Loaded; 1 Sealing Lips; Stainless Steel Finger Lip Retainer; Steel Case; 59 Seal Design Code