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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.
National455712

455712

Single Lip With Spring
Item #106129448
  • 4.250" Shaft Diameter
  • 5.251" Housing Bore Diameter
  • .625" Width
  • Nitrile
  • Type45
  • Single Lip w/Spring Shaft Seal
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National455712
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    Shipment Options
  • 4.250" Shaft Diameter
  • 5.251" Housing Bore Diameter
  • .625" Width
  • Nitrile
  • Type45
Lip Style Internal
Housing Bore Dia. 5.251 in
Spring Material Carbon Steel Garter
Seal Design Assembled Design
Pressure 7 psi
Construction 45
Shaft Dia. 4.25 in
Temperature Range [Min] -40 °F
Inch/Metric Inch
Lip Type Single Lip w/Spring
Lip Material Nitrile
Case Construction Steel Case w/Inner Case
Temperature Range [Max] 225 °F
Misalignment & Runout (In. @ Feet Per Minute) 0.015@800, 0.010@4200
Weight 0.28 LB
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