V ring seal for plummer block housing, on an Adapter sleeve. For bearing with a 7mm diameter. V-ring seals consist of a V-ring and a sheet steel sealing washer with a vulcanized rubber lip. The rubber lip fits into the seal groove in the housing. The washer is protected against corrosion. V-rings can accommodate circumferential speeds up to 7 m/s. For circumferential speeds between 7 and 12 m/s, they should be located axially on the shaft. At speeds above 12 m/s, a support ring must be used to prevent the seal from lifting. Material Material: nitrile rubber, steel Temperature range: -40°C to +100°C Max. circumferential speed: 7 m/s, 12 m/s for special conditions Specifications Inner Diameter: 30mm Outer Diameter: 56.5mm Width: 4.8mm