Common terms and definitions in the bearing industry (1)

Source: China Bearing Network Time: 2014-04-16

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One. Bearing:
(1) Rolling bearing general theory 1. Rolling bearing A bearing that rolls over between a load bearing and a moving part; it contains race parts and a roll set with or without a barrier or guide. Can be used to accept radial, axial or radial Combined load with the axial direction.
2. Single row bearing
Rolling bearing with a row of rolling elements.
3. Double row bearing double row
Bearing
Rolling bearing with two rows of tumblers.
4. Multi-row bearing
Roller bearing with more than two rows; rolling bearings bearing the same direction of load; the best is to indicate the number of columns and bearing type; for example: "four-row radial cylindrical roller bearing".
5. Full complement rolling bearing
Bearings without cages; the total gap between the circumferential directions of each row of rolling elements is smaller than the diameter of the rolling body and as much as possible.
6. Angular touch bearing angular contact bearing
Rolling bearings with a nominal touch angle greater than 0Â° and less than 90Â°.
7. Self-aligning bearing
A raceway is spherical; a bearing that can get used to the angular error and angular motion between the two raceways.
8. Separable bearing
Rolling bearings with separate parts.
9. Not to leave the bearing non-separable bearing
After the installation at the end; the bearing ring can not be freely detached from the rolling bearing.
Note: For bearings that do not leave the part differently; for example, ball bearings with double half rings (02, 01, 08) are not subject to regular abbreviations.
10. Inch bearing inch bearing Original design dimensions and hoisting bearings indicated in English units.
11. Open bearing without bearing dust cover and sealing ring.
12. 1. A rolled bearing with a sealing ring on one or both sides.
13. Dust cover bearing shielded bearing
Rolling bearing with dust cover on one or both sides.

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