Do You Know How Many Of These Standard Roller Bearing Classifications
Roller bearings are mainly divided into the following categories:
Cylindrical roller bearings: This type of roller is used primarily for cylindrical roller bearings, and roller components can also be used directly in machinery. This type of roller is standardized in size and can use as a product roller for design and user selection.
Long cylindrical roller bearings: This type of roller is divided into two kinds for shaft diameter and non-shaft diameter. It mainly uses for long cylindrical roller bearings, and roller components can also be used directly in machinery.
Needle roller bearings: This type of roller mainly use for needle roller bearings, universal joint needle roller bearings, and thrust needle roller bearings. Needle roller components can also be used directly in machinery. This type of roller serialized in size for design choice. According to the needs of the bearing structure, the shapes of the heads at both ends of the needle tapered, flat, round, etc.
Tapered roller bearing: It has a circular truncated cone, and its cone angle is usually 1 ° ～ 4 ° 20 ′, and there are also less than 1 ° or greater than 4 ° 20 ′, and most are 2 °. The length of the roller is generally not more than twice the diameter of the large end of the roller. This type of roller is mostly used for tapered roller bearings, and rollers with large tapered angles are utilized for thrust tapered roller bearings.
Spherical roller bearing: The rolling surface of the roller is spherical. Bearings using this roller have self-aligning performance and can withstand large loads. Spherical rollers are divided into asymmetric types and symmetrical shapes. Generally, the asymmetric large end surface is spherical, and the balanced end surfaces are flat. Symmetric spherical rollers have better performance, while non-symmetrical ones are eliminated. This type of roller is used for spherical roller bearings and thrust spherical roller bearings.
Spiral roller bearing: It is a hollow roller rolled with a special section of steel strip. This type of roller is not widely used and is mainly used for spiral roller bearings subjected to impact loads.
Cylindrical roller bearings: This type of roller is used primarily for cylindrical roller bearings, and roller components can also be used directly in machinery. This type of roller is standardized in size and can use as a product roller for design and user selection.
Long cylindrical roller bearings: This type of roller is divided into two kinds for shaft diameter and non-shaft diameter. It mainly uses for long cylindrical roller bearings, and roller components can also be used directly in machinery.
Needle roller bearings: This type of roller mainly use for needle roller bearings, universal joint needle roller bearings, and thrust needle roller bearings. Needle roller components can also be used directly in machinery. This type of roller serialized in size for design choice. According to the needs of the bearing structure, the shapes of the heads at both ends of the needle tapered, flat, round, etc.
Tapered roller bearing: It has a circular truncated cone, and its cone angle is usually 1 ° ～ 4 ° 20 ′, and there are also less than 1 ° or greater than 4 ° 20 ′, and most are 2 °. The length of the roller is generally not more than twice the diameter of the large end of the roller. This type of roller is mostly used for tapered roller bearings, and rollers with large tapered angles are utilized for thrust tapered roller bearings.
Spherical roller bearing: The rolling surface of the roller is spherical. Bearings using this roller have self-aligning performance and can withstand large loads. Spherical rollers are divided into asymmetric types and symmetrical shapes. Generally, the asymmetric large end surface is spherical, and the balanced end surfaces are flat. Symmetric spherical rollers have better performance, while non-symmetrical ones are eliminated. This type of roller is used for spherical roller bearings and thrust spherical roller bearings.
Spiral roller bearing: It is a hollow roller rolled with a special section of steel strip. This type of roller is not widely used and is mainly used for spiral roller bearings subjected to impact loads.
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