Definition

1. Noun:
   • Bearing (specifically ball bearing): A mechanical component that reduces friction between moving parts by using rolling elements, typically balls, contained within rings. It is a key part in machinery to support rotational or linear movement.

Usage Examples

• Noun:
  • Vòng bi trong động cơ xe máy cần được bôi trơn định kỳ. (The bearing in the motorcycle engine needs to be lubricated regularly.)
  • Công nhân thay thế vòng bi bị hỏng trong máy phát điện. (The worker replaced the faulty ball bearing in the generator.)
  • Vòng bi giúp bánh xe quay trơn tru hơn. (The bearing helps the wheel rotate more smoothly.)

Advanced Usage

• In technical and engineering contexts, "vòng bi" is often specified further:
  • Vòng bi côn: Tapered roller bearing.
  • Vòng bi đũa: Cylindrical roller bearing.

Variants and Related Words

• Ổ bi (n): Another common Vietnamese term for "ball bearing," often used interchangeably with "vòng bi."

  • Ổ bi này đã bị mòn. (This ball bearing is worn out.)

• Bạc đạn (n): A colloquial or regional term, especially in southern Vietnam, for a bearing.

  • Anh mua bạc đạn ở cửa hàng phụ tùng. (He bought the bearing at the spare parts shop.)

Synonyms

• Bearing: The general mechanical term.
• Ball bearing: A specific type of bearing using balls as rolling elements.
• Roller bearing: A broader category that includes bearings using cylindrical or tapered rollers.

Related Terms and Phrases

• Hỏng vòng bi (v phrase): bearing failure.

  • Máy kêu to có thể do hỏng vòng bi. (The loud noise from the machine could be due to bearing failure.)

• Tháo lắp vòng bi (v phrase): to install and remove bearings.

  • Kỹ thuật viên được đào tạo để tháo lắp vòng bi đúng cách. (The technician is trained to install and remove bearings properly.)