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ISO-GARD® Bearing Isolator

Item #112841527
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Product details

  • 3 1/2 in Shaft Diameter
  • 4 1/4 in Housing Bore
  • 0.76 in Width
  • Vertical Style
  • Solid Construction


  • Patented Cam-Lock system to ensure proper, sustained fit
  • True, noncontacting seal design that eliminates shaft scoring, drag, and frictional heat without the need of lubrication
  • No bronze-to-bronze contact, which eliminates metal particles that can cause premature bearing failure
  • Unitized construction will not come apart during installation
  • Press-fit design ensures easy installation without the need for any tools
  • Supports preventative maintenance programs and reduces unscheduled downtime
  • PTFE material provides excellent chemical resistance and wide temperature capability
  • Superior contamination exclusion


  • 0


Misalignment Size ± 0.02 in
O-Ring Material FKM
Rotor/Stator Material Filled PTFE
Housing Bore 4.25 in
Temperature Range [Max] 400 °F
Lip Material Blue, Glass-Filled PTFE
Pressure 5 psi
Temperature Range [Min] -22 °F
Shaft Dia. 3.5 in
Pressure Tolerance Ambient
Seal Type Labyrinth
Flange Length 0.385 in
Style Vertical
Misalignment & Runout (In. @ Feet Per Minute) ± 0.020 in (51 mm)
Construction Solid
Axial Motion 0.015 in
Inch/Metric Inch
Surface Speed [Nom] 4,500 ft/min
Weight 0.237 LB
EAN or UPC 717744895518
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