sliding bearing

Sliding bearings do not have inner or outer rings nor rolling elements, and are generally made of wear-resistant materials. Commonly used for low-speed, light load, lubrication and difficult maintenance of mechanical rotating parts.

Joint bearing

The sliding contact surface of joint bearings is spherical, mainly suitable for swing motion, tilt motion, and rotational motion.

Rolling bearing

Rolling bearings are classified into radial bearings and thrust bearings based on the direction of load they can withstand or the nominal contact angle. Among them, radial contact bearings are radial bearings with a nominal contact angle of 0, and radial 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, while thrust angle 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 into ball bearings and roller bearings. Roller bearings are divided into cylindrical roller bearings, needle roller bearings, tapered roller bearings, and self-aligning roller bearings according to the type of roller.

According to whether it can be self-aligning during operation, it can be divided into self-aligning bearings - bearings with spherical raceways that can adapt to angular deviation and angular motion between the axis lines of two raceways, and non self-aligning bearings (rigid bearings) - bearings that can resist angular deviation between the axis lines of raceways.

According to the number of rolling elements, they are divided into single row bearings, double row bearings, and multi row bearings.

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

According to its structural shape (such as the presence or absence of loading slots, the presence or absence of inner and outer rings, the shape of the collar, the structure of the blocking edge, and even the presence or absence of a retaining frame), it can be divided into various structural types.

According to their outer diameter size, they are divided into micro bearings (<26mm), small bearings (28-55mm), medium and small bearings (60-115), medium and large bearings (120-190mm), large bearings (200-430mm), and extra large bearings (>440mm).

Divided by application field, it can be divided into motor bearings, rolling mill bearings, main bearings, etc.

Divided by material, ceramic bearings, plastic bearings, etc.