0
中文简体Phone: +86-18968376562
E-mail: [email protected]
Address:No.11 Tangchuang Yuan, Yangshan Village, Ditang Street, Yuyao, Zhejiang, China
A deep groove ball bearing functions by allowing smooth and low-friction rotation between two parts, typically a rotating shaft and a stationary housing or bore. It achieves this through a clever arrangement of components and principles of rolling contact. Here's how a deep groove ball bearing functions step by step:
Mounting: The inner ring of the bearing is mounted onto a rotating shaft, and the outer ring is mounted within a stationary housing or bore.
Ball Arrangement: The deep groove ball bearing contains a set of spherical rolling elements known as balls. These balls are evenly spaced and fitted into a circular raceway, which is formed by grooves in both the inner and outer rings.
Load Transmission: When a load is applied to the bearing, either radially (perpendicular to the shaft) or axially (parallel to the shaft), the balls transmit this load from the inner ring to the outer ring. The shape of the raceway allows the balls to roll smoothly within it, minimizing friction.
Even Load Distribution: The cage or separator, which is typically made of steel or other materials, keeps the balls evenly spaced and prevents them from contacting each other. This ensures an even distribution of the load across all the balls, preventing concentrated stress points and wear.
Lubrication: Deep groove ball bearings require lubrication, usually in the form of grease or oil. The lubricant fills the gaps between the rolling elements and the raceways, reducing friction and dissipating heat generated during rotation.
Sealing/Shielding: Many deep groove ball bearings come equipped with seals or shields. Seals provide better protection against contaminants like dust, dirt, and moisture but may increase friction slightly. Shields offer less protection but result in lower friction. These components help protect the bearing's interior and extend its service life.
Here's a simplified overview of the functional principles of a deep groove ball bearing:
As the shaft rotates, the inner ring and the balls rotate with it.
The balls roll along the curved raceways on both the inner and outer rings.
As they roll, the balls transmit the applied loads from the inner ring to the outer ring.
The cage maintains the ball spacing and prevents contact between them.
Lubrication minimizes friction between the rolling elements and raceways, allowing smooth rotation.
