Bearing classification

Sliding bearing

Sliding bearings have no inner and outer rings and no rolling elements. They are generally made ofwear-resistant materials. It is often used in low speed, light load and mechanical rotating parts where lubricating oil and maintenance are difficult.

Spherical bearings

The sliding contact surface of the spherical plain bearing is spherical and is mainly suitable for swing motion, tilting motion and rotational motion.

Rolling bearing

• Rolling bearings are divided into different types according to the load direction or nominal contact angle they can bearradial bearingsandthrust bearings. Among them, radial contact bearing is a radial bearing with a nominal contact angle of 0,Central angular contact bearings are radial bearings with a nominal contact angle greater than 0 to 45. Axial contact bearings are thrust bearings with a nominal contact angle of 90°, and thrust angular contact bearings are thrust bearings with a nominal contact angle greater than 45° but less than 90°.

• According to the shape of the rolling elements, they can be divided intoball bearingsandroller bearings. Roller bearings are divided into types according to roller types:Cylindrical roller bearings, Needle roller bearings、Tapered roller bearingsandspherical roller bearings.

• According to whether they can be aligned during operation, they are divided into Aligning bearings----The raceway is spherical and can adapt to Bearings with angular deviation and angular motion between the two raceway axis lines and non-aligning bearings (rigid bearings)----bearings that can resist the angular deviation of the axis line between the raceways.

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• PressRolling bodyThe number of columns is divided intosingle row bearings , Double row bearingsand

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• According to whether its components (rings) can be separated, they are divided into separable bearings and non-separable bearings.

• According to its structural shape (such as whether there is a filling groove, whether there is an inner and outer ring and the shape of the ferrule, the structure of the rib, and even whether there is a cage, etc.), it can also be divided into various structural types.

• According to its outer diameter, it is divided into miniature bearings (<26mm), small bearings (28-55mm), small and medium bearings (60-115), medium and large bearings (120-190mm), large bearings (200-430mm) and extra large bearings (>440mm).

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• Divided according to application fieldsMotor bearings, < xmw0vuw7>Rolling mill bearings, Main bearings, etc.

• Divided by materialCeramic bearings, Plastic bearings, etc.

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