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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.
National415156N

415156N

Dual Lip with One Spring
Item #106205639
  • 3.125" Shaft Diameter
  • 4.125" Housing Bore Diameter
  • .562" Width
  • Acrylates
  • Type41
  • Dual Lip w/One Spring Shaft Seal
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National415156N
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    Shipment Options
  • 3.125" Shaft Diameter
  • 4.125" Housing Bore Diameter
  • .562" Width
  • Acrylates
  • Type41
Seal Application General Purpose
Surface Speed [Nom] 3,000 ft/min
Construction 41
Spring Material Carbon Steel Garter
Housing Bore Dia. 4 1/8 in
Lip Material Acrylates
Temperature Range [Min] -30 °F
Seal Design Assembled Design
Pressure 7 psi
Cover/Compensation Ring/Plate Required No
Inch/Metric Inch
Misalignment & Runout (In. @ Feet Per Minute) 0.015@800, 0.010@4200
Lip Style Internal
Shaft Dia. 3.125 in
Lip Type Dual Lip w/One Spring
Case Construction Steel Case w/Inner Case
Temperature Range [Max] 300 °F
Weight 0.34 LB
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