Oil Seal - 75x90x4 - WAOK - 70 NBR NB703413 - Dichtomatik - 67189971 - Packaging Unit 1
The Oil Seal - 75x90x4 - WAOK - 70 NBR NB703413 - Dichtomatik - 67189971 - Packaging Unit 1 is a WAOK oil seal from Dichtomatik with dimensions of 75x90x4 mm. The seal has an inside diameter of 75 mm, an outside diameter of 90 mm and a width of mm. The oil seal is made from NBR, with compound 70 NBR NB703413. It is Dichtomatik article number 67189971.
The WAOK profile has a sealing lip without a tension spring, no additional protective lip and a rubberised, grooved outer casing. It dynamically seals rotating shafts independently of their direction of rotation. The profile is suitable for sealing grease and as a subordinate seal against dust, dirt or splash water. The sealing lip provides only limited static sealing when the shaft is stationary.
The NBR version has a temperature range of -40 to +80 °C and can withstand temperatures up to +100 °C for short periods. NBR offers good chemical resistance to various mineral oils and greases and H, HL and HLP hydraulic fluids. It is also suitable for HFA and HFB fluids; for HFC fluids, the maximum temperature is approximately +50 °C. For contact with water, the maximum temperature is +60 °C. NBR has low resistance to ozone, weathering and ageing. The WAOK profile must be used without pressure and is suitable for a maximum peripheral speed of 6 m/s. The specified limits may not necessarily be reached simultaneously.
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