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The Quarry and Mining Industry requires reliable equipment that can withstand harsh conditions. For this reason NSK has developed the first detachable seal for Spherical Roller Bearings. Excellent sealing performance lends to increase in bearing life. They also enable accurate management of proper clearance during bearing assembly and prevent entrance of dirt into the bearing.

Condition Description

  • Contamination
  • High Load
  • Lubrication


  • Cement
  • Quarrying, Mining and Construction

Product Features

  • Compatibility with conventional products
  • Long-Life NSK material technology
  • NSK sealing technology


  • High sealing performance
  • Bolt-fastened seal holder to remove sealing during assembly
  • Measurment of clearance during assembly
  • 4x's longer life than conventional bearings
  • Able to withstand harsh conditions
HTF 320 SLE 316 A g DD2 K E4 C3
Show Description
320Bore Diameter
SLESpecial Sealed Spherical Roller Bearing
316Series Code
AInternal Design
gHiTF Steel
DD2Seal Design
KTapered Bore
E4Lubrication groove and lubrication hole
C3Radial Internal Clearance