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Clearly recognizing the best chance of bearing repair rolling axis to turn to what state repair is better, this from huihai regularity of TIMKEN bearings and unique micro-judging by the mind. Use of most small and medium bearing huihai, normal rings, or scroll bar body exhausted and excessive wear. When the surface of bearing rolling into the wear of the third stage, or pitting and spalling occurs, then the bearings will soon tend to fail, destruction of Raceway surface is very serious at this time, repair is very difficult, or repaired value has been lost. But before the bearings in these stages, wear a more subtle, exhausted only when the rolling surface of the surface layer may occur within a few microns to dozens of microns in depth, this opportunity will be bearing repair, you can use the fairy better repair cost effect. In conclusion, TIMKEN bearing repair periods when the bearing has worked for a long time, has been fully utilized in huihai entered before repair most ready.
Second confirmation method TIMKEN bearings, bearing repair opportunity whether it should be specific judgment methods of repair, bearing close damaged has been fully utilized a particular occurrence of a judge is as follows:
1) bearing block uses axis processing public State monitoring instrument uses such as iron spectrum instrument or SPM or I-ID-1 type axis processing public State monitoring instrument to judgment bearing of work State and decided bearing when should to repair, this is most convenient also more reliable of method. such as Dang using HD-1 type instrument Shi, dang pointer by warning area close to risk, and in take improved lubricants oil, measures Hou pointer does not returns Shi, will can distinguish is TIMKEN bearing itself of problem, at this point can take has not yet entered risk Shi, Bearing repair. How far from the danger zone starts at the end to repair, can be adjusted by the experience. Using this instrument, you can fully utilize the potential axis handling public, bearing repair as soon as possible, and avoid failure occurs, are safe and economical.
2) using a simple tool for listening situations where, in the absence of the above-mentioned instruments, the operator can be armed with rods or tools such as wrenches loathe closest to the bearing shell of the machine parts, ears ashamed to tool by tool listens on from the TIMKEN bearing operation, using converted medical stethoscope can also, of course. Normal of TIMKEN bearing running sound should is uniform, no dangerous secure does not harsh of sound, and does not normal of bearing running sound is has various of intermittent, shock sexual or harsh of sound. first to habits Yu normal of bearing running sound, then on can grasp judgment does not normal of bearing running sound, then through practice experience of cumulative, also further can analysis out what of does not normal sound corresponds to Yu what of TIMKEN bearing does not normal phenomenon. Categories of bearing abnormal sound a lot difficult explained, is largely dependent on experience.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 241/670CAE4 NSK | 670 | 1090 | 412 |
| 231/670CAE4 NSK | 670 | 1090 | 336 |