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KOYO bearings failure internal factors mainly refer to structural design, manufacturing processes and materials quality determines the quality KOYO bearings of three major factors.
KOYO bearings failure due to defects and overload the two broad factors. When external loads beyond the limits and material strength caused part overload fracture for fracture is called. Overload is mainly hosts sudden failure or improper installation. Self-aligning ball bearing parts micro-cracks, shrinkage and overheating of the bubbles, large foreign bodies, organizations and local defects such as burn in shock overload or intense vibration can also be caused by defects in the fracture, fracture called defects. It should be noted that KOYO bearings in the manufacturing process, raw materials into the plant a re-inspection, forging and heat treatment quality control, process control, you can instrument the correct analysis of the flaws are there, still controls must be strengthened in the future. In General, however, bearing failure occurs most usually to overload failure.
KOYO bearings failure analysis of main tasks is based on the large amount of background material, analysis of data and failure modes, identify the main factors contributing to failure so that targeted measures for improvement, extending the service period of KOYO bearings, avoid sudden early in the self-aligning ball bearing failure.
KOYO bearings, due to the effects of the external or internal factors, changing the original clearance, a loss of precision, even causing "killed" called clearance change failure. External factors such as excessive interference, the installation is not in place, expansion due to temperature rise, instantaneous overload, internal factors such as residual austenite and residual stress in an unstable state, is mainly responsible for clearance change failure.
KOYO bearings metallurgical quality of the materials used to be the main factors affecting the early failure of rolling bearings. As metallurgy technologies (such as bearings, such as vacuum degassing of steel) progress, improvement in the quality of raw materials. Raw materials quality factors of KOYO bearings failure analysis of proportion has decreased significantly, but it still is one of the main factors affecting the bearing failure. Selection of propriety are still bearing failure analysis of factors that you must consider.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7910CDF NSK | 50 | 72 | 12 |
| 7910A5DF NSK | 50 | 72 | 12 |