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On The Characteristics Of Rolling Bearings
- Jan 19, 2018 -

The rolling bearing is divided into centripetal bearing and thrust bearing according to the different load direction or nominal contact angle that it can withstand. The radial contact bearing is a centripetal bearing with a nominal contact angle of 0, and the centripetal angular contact bearing is a centripetal bearing with a nominal contact angle greater than 0 to 45. The axial contact bearing is a thrust bearing with a nominal contact angle of 90, and the thrust angular contact bearing is a thrust bearing with a nominal contact angle greater than 45 but less than 90.

The shape of the rolling body can be divided into ball bearings and roller bearings. Roller bearing according to the type of roller is divided into: cylindrical roller bearing, needle roller bearings, tapered roller bearings and self-aligning roller bearings.

According to its work can be divided into core-aligning bearings----Raceway is spherical, can adapt to the axis of the two rollers angular deviation and angular movement of bearings and non-aligning bearings (rigid bearings)----can impedance raceway axis angle offset bearings.

The number of columns according to the rolling body is divided into single row bearing, double row bearing and multi row bearing.

According to its parts (ferrule) can be separated into separable bearings and inseparable bearings.

According to its structural shape (if there is no filling groove, there is no inner, outer ring and ring shape, the structure of the retaining edge, even if there is no cage, etc.) can also be divided into a variety of structural types.

The size is divided into miniature bearings (<26mm), small bearings (28-55mm), small and medium-sized bearings (60-115), medium and large bearings (120-190mm), large bearings (200-430mm) and oversize bearings (>440mm).

According to application fields are divided into motor bearings, rolling mill bearings, main bearings and so on.

According to the material is divided into ceramic bearings, plastic bearings.