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Cautions for handling

Cautions for handling. Store condition Clean Non-Humid Place which is not exposed to direct sunshine Air flow between the box and floor. No Good !!. Danger. Dusty. Humidity. Untidy. Sunshine. Fitting a Bearing on the Shaft. Always press the ring to be fitted. Mounting.

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Cautions for handling

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  1. Cautions for handling • Store condition • Clean • Non-Humid • Place which is not exposed to direct sunshine • Air flow between the box and floor

  2. No Good !! Danger Dusty Humidity Untidy Sunshine

  3. Fitting a Bearing on the Shaft Always press the ring to be fitted.

  4. Mounting

  5. Fitting a Bearing into a Housing Always press on the ring to be fitted.

  6. Mounting

  7. Thermal Mounting • Use oven, hot plate, or NSK bearing induction heater • Clean heating apparatus • Exercise care when using hot oil bath • Do not heat above 248 deg F (120 deg C) • Reference inner ring expansion chart in NSK catalog, fig. 14.3 Under no circumstances should you heat a bearing by directly putting the torch on the bearing surface.

  8. Advantages • Heat Large Heats Efficiently • Safe For Bearing • Disadvantages • Oil Can Contaminate Bearing • Heating Oil May Not Compatible with Lube • Can Not Heat Sealed Bearings By This Method Without using flames or oil uniform heating in short time is possible, making shrink fitting efficient and clean. • Precautions • Make Sure Oil Is Free of Sludge • Control Temperature, Do Not Overheat • Keep Tank Covered When Not In

  9. Bearing Removal Procedures • Mark position/orientation of bearing • Remove very carefully to avoid damage to shaft/housing • Use appropriate tools (not hammers) • Apply pressure to the ring with the interference fit

  10. Dismounting

  11. Dismounting

  12. Dismounting by puller

  13. Misalignment Misalignment due to the bearing being mounted out of square.

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