Việt
mũi tâm quay
Anh
revolving center
ball-bearing center
live center
live centre
revolving centre
center
running center
Đức
mitlaufende Spitze
mitlaufende Spitze /f/CT_MÁY/
[EN] live center (Mỹ), live centre (Anh), revolving center (Mỹ), revolving centre (Anh)
[VI] mũi tâm quay
live center, live centre, revolving center, running center
mũi tâm quay (có ố bi)
mũi tâm quay (có ổ bi)