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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.
National51083

51083

Single Lip With Spring
Item #106085408
  • 1.250" Shaft Diameter
  • 1.752" Housing Bore Diameter
  • .375" Width
  • Nitrile
  • Type5L
  • Single Lip w/Spring Shaft Seal
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National51083
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    Shipment Options
  • 1.250" Shaft Diameter
  • 1.752" Housing Bore Diameter
  • .375" Width
  • Nitrile
  • Type5L
Case Construction Steel Case w/Inner Case
Seal Design Bonded Design
Shaft Dia. 1.25 in
Misalignment & Runout (In. @ Feet Per Minute) 0.015@800, 0.010@4200
Temperature Range [Max] 225 °F
Seal Application General Purpose
Spring Material Carbon Steel Garter
Temperature Range [Min] -40 °F
Cover/Compensation Ring/Plate Required No
Inch/Metric Inch
Lip Type Single Lip w/Spring
Lip Style Internal
Surface Speed [Nom] 3,000 ft/min
Lip Material Nitrile
Housing Bore Dia. 1.752 in
Pressure 7 psi
Construction 5L
Weight 0.05 LB
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