-Material: NBR,Viton,EPDM,PTFE,ACM,FAB,PU,etc. -Double lips with springs -According to your size Style:Double Lip with SpringType: Oil SealShaft Diameter: 1.000"Bore Size: 1.500"Series: TCCasing Type: Rubber CoveredSeal Width: 0.312"System of Measurement: InchLip Material: Nitrile RubberProduct Weight: 0.1913 lbs.