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HongKong Royal Machinery Parts Co.,Ltd. 

NOK Seal

Oil seals are used for automobile engines and geared motors, and are designed mainly to prevent oil leakage from the end of a rotating shaft, or dust intrusion from the outside air.

Oil seals serve to prevent the leakage not only of lubricants, but also water, chemicals, and gas from "gaps" in machinery. Oil seals also serve to prevent the intrusion of dust, soil and sand from the outside air.

Oil seals are indispensable sealing devices and are used in various fields, including automobiles, aircraft, boats and ships, railroad vehicles, construction machinery, farm machinery, petrochemical plants, and electrical home appliances.

Japan's history of oil seals is, in effect, NOK's history of oil seals. NOK has always produced stable, high-quality products based on its unique principle of sealing.

       Backup Ring  
       Buffer Ring  
       Contami Seal  
       Dust Seal  
       Piston Seal  
       Rod Seal  
       Symetrical Seal  
       V Packing  
       Wear Ring 
O-Ring AS568  
O-Ring ISO Standard  
O-Ring JASO 1000 2000 3000 series  
O-Ring JIS Backup Ring  
O-Ring JIS P G V  
O-Ring NOK Series 
          DC and DB Type    
          KC and KB Type    
          Large Diameter TB Type    
          MG Type    
          MO Type (Mogoil Seals)    
          MOY Type (Meseta Seal)    
          OC Type    
          OKC3 Type    
          QLFY Type    
          SA1J, VAJ and KA3J Type    
          SBB and Large Diameter SB Type    
          SC and SB Type    
          TC4 and TB4 Type    
          TC and TB Type    
          TCJ Type for CFCs (PTFE)    
          TCK Type (New Fabric Seal)    
          TCZ, TCV and TCN Type    
          VC and VB Type    
          VR Type    
          WT and WTT Type    
          ZF and ZT Type


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