GE60DO-2RS INA Bearing
Accounted for 34% of KOYO bearings' early failure causes.

How to judge whether the bearing can still be used during maintenance and disassembly of KOYO bearing, Eric Bearing Limited summarizes the following points based on the understanding of the use of KOYO bearing:

1. Check a disassembled KOYO bearing. Before it has been cleaned, don't judge whether it can be used again. Treat it as a new one.

2. Don't turn a dirty bearing, you can turn it when cleaning. The cleaning solvent should be a petroleum-based solvent and wipe it on a clean and lint-free cloth or a clean and moisture-free compressed air.

3. Be careful during the cleaning process. The detergent can damage the skin. Try to wear protective gloves and goggles.

4. Check the KOYO bearing. Use a small mirror and a dentist-like probe to check the raceway of the KOYO bearing. When checking the cage and rollers, pay special attention to scratches, imprints, cracks, and color changes to see if there are still images. Mirror-like surface and so on.

5. Toggle the KOYO bearing and listen to its sound. If an undamaged bearing has no scars or other defects, the gap is not too large, and the operation is very stable, then the KOYO bearing can be reinstalled.

6. In order to prevent corrosion, KOYO bearings should be lubricated immediately after cleaning.

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The radial clearance of the bearing plays a vital role in the stable operation of the bearing, and for the radial clearance of the bearing, GB/T4604-2006 has relevant standards, so in specific applications, only need to look up the table to know The upper and lower limits of the radial clearance of the bearing.

The specific adjustment method: In order to facilitate the measurement, the glands on both sides of the bearing should be removed before adjustment, the bearing should be installed on the bearing seat, the upper cover should be covered, and the four tightening bolts on both sides of the bearing should be evenly tightened using a torque wrench. The force can refer to the relevant provisions of the national standard. After tightening in place, use a feeler gauge to measure. The measured value is compared with the standard value of the look-up table.

Because there are many factors that affect bearing clearance, there are also many specific adjustment methods for bearing clearance. Only some of them are mentioned in this article. Different methods can be used to adjust each bearing in different parts of use.