Rollkörner,mitlaufende Körnerspitze,mitlaufende Reitstockspitze /ENG-MECHANICAL/
[DE] Rollkörner; mitlaufende Körnerspitze; mitlaufende Reitstockspitze
[EN] antifriction bearing centre; ball bearing centre; live centre; revolving center; rotating centre
[FR] contre-pointe tournante; pointe tournante