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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.
National55431

55431

Single Lip With Spring
Item #106230895
  • 3.375" Shaft Diameter
  • 4.718" Housing Bore Diameter
  • .468" Width
  • Leather
  • Type5L
  • Single Lip w/Spring Shaft Seal
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National55431
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    Shipment Options
  • 3.375" Shaft Diameter
  • 4.718" Housing Bore Diameter
  • .468" Width
  • Leather
  • Type5L
Lip Material Leather
Inch/Metric Inch
Construction 5L
Housing Bore Dia. 4.718 in
Case Construction Steel Case w/Inner Case
Lip Style Internal
Spring Material Carbon Steel Garter
Pressure 7 psi
Temperature Range [Max] 200 °F
Shaft Dia. 3.375 in
Seal Design Bonded Design
Lip Type Single Lip w/Spring
Surface Speed [Nom] 3,000 ft/min
Misalignment & Runout (In. @ Feet Per Minute) 0.015@800, 0.010@4200
Temperature Range [Min] -50 °F
Weight 0.28 LB
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