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This part may be obsolete or discontinued.
There may be limited quantities still available for purchase. Contact us for availability. Please contact your local service center for alternative options.
National40568S

40568S

Single Lip Without Spring
Item #106222250
  • 1.625" Shaft Diameter
  • 2.625" Housing Bore Diameter
  • .250" Width
  • Nitrile
  • Type4S
  • Single Lip w/o Spring Shaft Seal
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National40568S
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    Shipment Options
  • 1.625" Shaft Diameter
  • 2.625" Housing Bore Diameter
  • .250" Width
  • Nitrile
  • Type4S
Construction 4S
Lip Style Internal
Shaft Dia. 1.625 in
Lip Type Single Lip w/o Spring
Temperature Range [Max] 225 °F
Misalignment & Runout (In. @ Feet Per Minute) 0.005 Max
Housing Bore Dia. 2 5/8 in
Temperature Range [Min] -40 °F
Case Construction Steel Case w/Inner Case
Lip Material Nitrile
Inch/Metric Inch
Pressure 0 psi
Cover/Compensation Ring/Plate Required No
Surface Speed [Nom] 2,000 ft/min
Seal Application General Purpose
Seal Design Assembled Design
Spring Material None
Weight 0.1 LB
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