The importance and brief introduction of radial ball bearings

Nov 07, 2023

Radial ball bearings are extraordinary, with a unique design that can withstand large axial and radial loads. This bearing type is commonly utilized in applications that demand high precision, rigidity, and low friction, such as machine tools, precision machinery, and high-end motors. We FV will introduce the Radial ball bearings detail information below.

Structure and working principle of radial ball bearings

The system of radial ball bearings mainly consists of an inner ring, outer ring, rolling elements, and cage. Among them, the inner circle matches the journal, and the outer ring fits the bearing seat. The number of rolling features usually ranges from several to dozens. The cage function is to position rolling elements and reduce friction.

The working principle of radial ball bearings is to use the spherical shape of the rolling elements to form rolling friction with the raceway between the inner and outer rings, thereby reducing friction and achieving relative motion in the axial and radial directions. At the same time, the role of the cage can prevent direct contact between rolling elements and reduce friction and wear.

Deep groove ball bearing E2.6206-TNZ.DW for guide roller

Performance characteristics of radial ball bearings

High load-bearing capacity: The contact area in the rolling elements(ball/roller) and the inner and outer rings of radial ball bearings are large and can bear axial and radial loads both.

High precision: The manufacturing process of radial ball bearings is relatively complex and requires multiple methods of processing and assembly. Therefore, it has high accuracy and is suitable for high-precision mechanical movements.

Low friction: Due to the large contact area between the rolling elements (ball/roller) and the inner and outer rings, the conflict is relatively small, which can reduce energy loss and heating problems.

Strong adaptability: Radial ball bearings are suitable for rotational motion under various speeds and load conditions and can work in harsh environments such as high and low temperatures and corrosion.

Easy maintenance: Radial ball bearings are relatively convenient to disassemble and install and are easy to maintain and replace.

Application scenarios of radial ball bearings

Machine tools: Radial ball bearings are suitable for rotating parts of high-precision machine tools such as CNC machine tools, grinders, and milling machines, such as spindles, bearing seats, screws, etc.

Precision machinery: suitable for rotating parts of various precision machinery, such as optical instruments, measuring instruments, aerospace equipment, etc.

High-end motors: Suitable for rotating parts of various engines, generators, and reducers, such as rotors, stators, gearboxes, etc.

Other fields: Suitable for rotating machinery and equipment in petrochemicals, food processing, medical equipment, and other areas.

Selection and precautions for radial ball bearings

Selection considerations: When selecting radial ball bearings, you must consider factors such as load type, size, and distribution; rotation speed and friction coefficient; allowable space dimensions; requirements for accuracy and life; and cost.

Notes: During use, you must pay attention to the installation and disassembly methods of bearings; keep the rolling bearings clean and well lubricated; avoid overload use; regularly inspect and maintain rolling bearings and related components; replace damaged bearings on time, etc.

In short, radial ball bearings, as a high-precision, high-rigidity, low-friction bearing type, have been widely used in many fields. Various factors and precautions need to be paid attention to during selection and use to ensure its regular operation and extend its service life.