Next Level Pitch Bearing

Used with large rotors and hub heights beyond the performance limits of conventional 2-row 4-point contact ball pitch bearings

  • 90 deg contact angle – no additional radial loads which cause detrimental ring distortions in 4-point contact ball bearings
  • Requires less stiffening measures, allows for lightweight rotor
  • Two rows of axial balls carry moment load in the center of the raceway – no edge loading
  • Smooth operation – even under substantial hub and blade root deformations
  • First choice for field retrofit in turbines which experience a shortfall in fatigue life due to raceway spalling or edge fractures, ring cracking, cage or grease leakage issues

WindEnergy Hamburg 2018

WindEnergy Hamburg 2018

Visit us at our booth 230 in hall B5 and get information about our pitch bearing T-Solid 4IPC,
the new retrofit kit T-Solid for prematurely failing pitch bearings and our proven single main bearings.


  • three-ring-design, inner or outer ring split
  • double row axial raceways, 90 deg ball contact angle
  • single row radial raceway, 0 deg roller contact angle
  • ball separation by spacers
  • no filling plug required