t a  e 
参考号 零件 参数
NATIONAL : 221820 Oil Pump Seal
  • Helix Type: Clockwise-Spiral Lip Design ; 
  • Housing Bore (IN): 1.181 ; 
  • Housing Bore (MM): 30.000 ; 
  • Inside Diameter (IN): 0.709 ; 
  • Inside Diameter (MM): 18.000 ; 
  • Material: Polyacrylate ; 
  • Outside Diameter (IN): 1.189 ; 
  • Outside Diameter (MM): 30.200 ; 
  • Sealing Material: Polyacrylate ; 
  • Shaft Diameter (IN): 0.709 ; 
  • Shaft Diameter (MM): 18.000 ; 
  • Thickness (IN): 0.276 ; 
  • Thickness (MM): 7.000 ; 
  • Type: 32 ; 
  • Width (IN): 0.276 ; 
  • Width (MM): 7.000 ; 
TIMKEN : 221820 Oil Pump Seal
  • Housing Bore: 1.181" ; 
  • Material: Nitrile ; 
  • Outside Diameter: 0.315" ; 
  • Shaft Size: 0.709" ; 
  • Width: 0.315" ; 
SKF : 10237 Oil Pump Seal
  • Bore (IN): 1.457 ; 
  • Boretite: N ; 
  • Outer Diameter (IN): 1.462 ; 
  • Shaft (IN): 1.024 ; 
  • Width (IN): 0.276 ; 
BCA : NS221820 Oil Pump Seal
  • External Markings: NAK TCR 18 30 9 -> ; 
  • Housing Bore (IN): 1.181 ; 
  • Housing Bore (MM): 30 ; 
  • Inside Diameter (IN): 0.709 ; 
  • Inside Diameter (MM): 18 ; 
  • Material: Nitrile ; 
  • Outside Diameter (IN): 1.19 ; 
  • Outside Diameter (MM): 30.2 ; 
  • Thickness (IN): 0.35 ; 
  • Thickness (MM): 8.9 ; 
WJB / INMOTION PARTS : WS221820 Oil Pump Seal
  • Housing Bore: 1.181in ; 
  • Inside Diameter: 0.709in ; 
  • Material: Polyacrylate ; 
  • Outside Diameter: 1.189in ; 
  • Sealing Material: Polyacrylate ; 
  • Shaft Diameter: 0.709in ; 
  • Thickness: 0.276in ; 
  • Width: 0.276in ; 
SCHAEFFLER : SS4270 Oil Pump Seal
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