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Special bearing unit for the double disc coulters of a sowing machine (Germany)

Development stages of the bearing arrangement
Development stages of the bearing arrangement
Cutaway model of the double disc coulter
Cutaway model of the double disc coulter
Lemken sowing machine (Solitair)
Lemken sowing machine (Solitair)

Application:

  • Bearing arrangement for the double disc coulters of a sowing machine

Requirements

  • Stiff arrangement to accommodate tilting moments
  • Optimised sealing

NKE solution: 

  • Double row angular contact bearing with additional labyrinth sealing