Ball bearings are the heart of rotating machinery, effectively reducing friction and providing smooth rotation. With their special structure and performance, ball bearings are widely used in a variety of fields, from precision clocks to bulky heavy machinery.
There are various types of ball bearings, each with its own unique characteristics and applications. Understanding and mastering these construction types and their characteristics is essential for the proper selection and use of ball bearings.
Type of construction of ball bearings:
Deep groove ball bearings:These bearings have deep grooves in the inner and outer rings and are typically used to accommodate radial loads. Due to their simple structure and stable performance, deep groove ball bearings are widely used in various machinery and industrial equipment.
Angular Contact Ball Bearings:Unlike deep groove ball bearings, angular contact ball bearings have a certain contact angle between the inner and outer rings. This allows them to withstand combined axial and radial loads. According to the different contact angles, angular contact ball bearings can be divided into three types: ° and 40°.
Thrust Ball Bearings:This kind of bearing mainly bears axial load, and its balls only bear unidirectional axial force in the raceway, and can bear a certain radial load at the same time.
Cylindrical roller bearings:The rollers of cylindrical roller bearings are cylindrical and mainly bear radial loads. It is suitable for applications with high rotational speed and limited axial dimensions. According to whether there is a cage inside the bearing, it can be divided into two types: with cage and without cage.
Tapered roller bearings:Tapered roller bearings have tapered rollers that can withstand both axial and radial compound loads. According to the size of the taper angle of the inner and outer rings, it can be divided into two types: A-type with a large taper angle and B-type with a small taper angle.
Spherical roller bearings:Spherical roller bearings have the function of self-alignment, which can adapt to the misalignment caused by inaccurate installation or axis deflection, and are widely used in various heavy machinery, mining machinery, metallurgical machinery and other large equipment.
Thrust roller bearings:Thrust roller bearings are mainly used to bear unidirectional axial loads, and their rollers are cylindrical or conical, which can bear a certain radial load at the same time.
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