Metal-CasedDual Opposed Spring-Loaded Single Lip Seals (Multi-Lip/Dual-Element) Pressfit (Assembled) Into One Case.Specification: shaft diameter: 1.9375 incasing: Metal Casedoutside diameter: 2.6800 inpressure tolerance: 10 psi @ 0-1000 fpmwidth: 0.5000 inconstruction description: Dual Lip, Dual Element , Spring Loadedlip material: Nitrilecontinuous temperature range: -40 to 250°Fdesign type: D3typical application: For Applications Where The Separation Ot Two Medials Is Required.seal type: Double Lip with Springweight: 0.105 lbmaximum shaft surface speed: 2000 fpm