16X22X3 HM4 R, SKF CR Metric Oil Seal (0226)Combine sizes in the "Metric Seals"group to get the QUANTITY DISCOUNT PRICING 16X22X3 HM4 R (0. 0551 lb) Radial shaft seal with metal case and single sealing lip, for grease UPC CODE 85311226721 Radial shaft seals are used between rotating and stationary machine components, or between components in relative motion. HM4 seals are designed with a single metal case. They have a conventional single sealing lip made of elastomer. Typical applications