Sealed four-row tapered roller bearings


Standard seal design for
basic design bearings
Standard seal design for
SKF Explorer bearings
Upgraded seal design for
optimized SKF Explorer bearings
 


Seal design
C-shaped design

C-shaped design Compact design
Materials

Sheet steel reinforced FKM

Sheet steel reinforced HNBR Sheet steel reinforced HNBR
Designation
suffixes

For additional
information
→ Designation system
  • VA901
  • VA902
  • VA903

  • E(X)1
  • E(X)2
  • E(X)3
E8(X)1
Characteristics/
features
  • radial shaft seal with garter spring
  • double lip design
  • fitted into a recess in the outer ring 
  • thermal and chemical stability to withstand high sliding velocities
  • suitable for both grease and oil-air lubrication

  • radial shaft seal with garter spring
  • single lip design
  • snapped into a recess in the outer ring
  • thermal and chemical stability to withstand high sliding velocities
  • suitable for both grease and oil-air lubrication
  • compact single lip design, snapped into a recess in the outer ring
  • identical internal geometry as open bearings enables identical basic load rating as for open bearings in same size and higher load carrying capacity compared to standard (C-shaped) designs
  • enables total interchangeability of open bearings with those with upgraded seal design (→ SKF Explorer bearings)
  • no garter spring
  • improved sealing effectiveness
  • reduced friction and operating temperature of the seal lip
  • thermal and chemical stability to withstand high sliding velocities
  • suitable for both grease and oil-air lubrication

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