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TIMKEN bearing sometimes in still State Xia, in very low speed Xia or in very low swing frequency Xia, bear is large of load, dang this load enough large Shi, will will in stress maximum of scroll body and rings scroll contact area surface produced corresponding of plastic deformation, formed pressure trace or au pit, led to work precision declined, caused vibration and noise, makes scroll bearing in occurs fatigue damaged zhiqian will quickly lost necessary of work performance, must tried to will bearing work surface of plastic deformation volume control in reasonable of range within. Therefore, quality is also critical for TIMKEN bearings.
According to mass test, dang TIMKEN bearing by bear of load makes stress maximum of scroll body and rings roll road contact surface between produced of plastic deformation total, in numerical Shang does not over corresponding scroll body diameter of one out of 10,000 Shi, will does not effects TIMKEN bearing running of smooth sexual, on rolling bearing of fatigue life also no bad effects, therefore such size of plastic deformation on was adopted for rolling bearing scroll contact parts of allowed plastic deformation, and bearing allows bear of, and Main produced by plastic deformation does not exceed the above-mentioned maximum load allowed plastic deformation capacity is defined as a static load rating of the bearing. Therefore. Static load rating characterization of rolling bearings in stationary State or in a State of extreme slow relative movements can under load or shock load capacity.
TIMKEN bearing, radial static load rating refers to the steel ball to stress the greatest contact with the channel, resulting in bearing steel balls and Raceway total permanent deformation to ball diameter 0. 0001 times times the radial static load, for rolling bearings, radial static load rating is the actual load rings in radial relative displacement generates only pure radial load component.
Axial static load rating is defined as the stress maximum ball contact with raceways, resulting in bearing steel balls and Raceway total permanent deformation to ball diameter 0. 0001 times Center static axial load of the times. For rolling bearings, rollers and raceways in when there is no load, or assume that a common contact bus (full contact), the radial static load rating means it can to stress the largest roller and the Raceway contact, rollers and raceways caused total permanent deformation of the roller diameter 0. 0001 times times the radial static load, for rolling bearings, radial static load rating refers to the total load only rings produce relatively pure radial displacement part of the radial component.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 240/560CAK30E4 NSK | 560 | 820 | 258 |
| 230/560CAKE4 NSK | 560 | 820 | 195 |