12x20x5mm SB / R21 Metal Cased Single Lip Viton Rubber Metric Rotary Shaft Oil Seal with Garter Spring partsautozone EXQUISITE Comfortable

Viton Rubber Oils Seals: Characterized by their reddish brown colour and stainless steel garter springs (dependent on manufacturer they are sometimes a dull gray colour).They are well known for their excellent chemical and heat resistance up to 200 Deg celsius and to 260 Deg celsiusfor shorter periods down to -30 Deg celsius without affecting their elastic properties as a rubber. Resistance to common salt makesthem an ideal marine solutionand the great range of substances to which they are resistant like Aliphatic hydrocarbons,vegetable oils and fats as well as petroleum oils and greases, Chlorinated solvents, Acids and chemical agents, Ozone, Petroleum, Diesel etc make them a very versatile seal choice
Benefits: High temperature range -30 Deg to +200 Deg, Chemical resistance, Stainless Steel Springs, Higher wear resistance, Lower drag coefficient