t a  e 
REF NO. Part categories Parameter
NATIONAL : 710345 Extension Seal
  • Helix Type: Clockwise-Spiral Lip Design ; 
  • Housing Bore (IN): 2.677 ; 
  • Housing Bore (MM): 68.000 ; 
  • Inside Diameter (IN): 1.772 ; 
  • Inside Diameter (MM): 45.000 ; 
  • Material: Polyacrylate ; 
  • Outside Diameter (IN): 2.685 ; 
  • Outside Diameter (MM): 68.200 ; 
  • Sealing Material: Polyacrylate ; 
  • Shaft Diameter (IN): 1.772 ; 
  • Shaft Diameter (MM): 45.000 ; 
  • Thickness (IN): 0.472 ; 
  • Thickness (MM): 12.000 ; 
  • Type: 32 ; 
  • Width (IN): 0.472 ; 
  • Width (MM): 12.000 ; 
BCA : NS710345 Extension Seal
  • External Markings: NAK HTCR 45 68 12 4 ; 
  • Housing Bore (IN): 2.677 ; 
  • Housing Bore (MM): 68 ; 
  • Inside Diameter (IN): 1.756 ; 
  • Inside Diameter (MM): 44.6 ; 
  • Outside Diameter (IN): 2.685 ; 
  • Outside Diameter (MM): 68.2 ; 
  • Seal Case Material: SAE 1070 ; 
  • Sealing Material: Nitrile ; 
  • Shaft Diameter (IN): 1.772 ; 
  • Shaft Diameter (MM): 45 ; 
  • Spring Material: SAE 1008 ; 
  • Thickness (IN): 0.472 ; 
  • Thickness (MM): 12 ; 
WJB / INMOTION PARTS : WS710345 Extension Seal
  • Housing Bore: 2.677in ; 
  • Inside Diameter: 1.772in ; 
  • Material: Polyacrylate ; 
  • Outside Diameter: 2.685in ; 
  • Sealing Material: Polyacrylate ; 
  • Shaft Diameter: 1.772in ; 
  • Thickness: 0.472in ; 
  • Width: 0.472in ; 
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