• W20-47-8 BASL | W20478BASL• Inner dimension: 20, Outer dimension: 47, Width: 8, Weight: 0,01, Version: Rubber coating, Material: NBR (Perbunan), Temperature range: -30 to +100 °C, Pressure resistance: Up to 0.5 bar max., Dust lip/Protective lip: With, Tension spring: Non-alloy steel