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15.8 BEARING AND SEALS       http://part66.blogspot.com/
BEARING TYPE• Purpose is to take load axial and radial.• Reduce friction between shaft and casing.• Type :  – Roller (axia...
Roller bearing   Ball bearing   Tappered roller bearing
ROLLER BEARING
BALL BEARING
SEAL TYPE• Purpose :  – To prevent oil leakage from the bearing and    system.• Type  – Labyrinth seal  – Carbon seal  – B...
LABYRINTH SEAL• The oil prevented from exiting by the air  entering across the labyrinth seal     Oil pressure area       ...
CARBON SEAL• Using carbon and graphite.• Carbon surface is stationary with highly polish  mating surface.
BRUSH SEAL• The seal act like labyrinth seal.• Leakage less than labyrinth• Not wear like carbon seal
PRINCIPLE OPERATION
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EASA Part 66 Module 15.8 : Bearings and Seals

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EASA Part 66 Module 15.8 : Bearings and Seals

  1. 1. 15.8 BEARING AND SEALS http://part66.blogspot.com/
  2. 2. BEARING TYPE• Purpose is to take load axial and radial.• Reduce friction between shaft and casing.• Type : – Roller (axial) – Ball (axial and radial) – Tappered roller
  3. 3. Roller bearing Ball bearing Tappered roller bearing
  4. 4. ROLLER BEARING
  5. 5. BALL BEARING
  6. 6. SEAL TYPE• Purpose : – To prevent oil leakage from the bearing and system.• Type – Labyrinth seal – Carbon seal – Brush type – Ring type
  7. 7. LABYRINTH SEAL• The oil prevented from exiting by the air entering across the labyrinth seal Oil pressure area Air pressure area
  8. 8. CARBON SEAL• Using carbon and graphite.• Carbon surface is stationary with highly polish mating surface.
  9. 9. BRUSH SEAL• The seal act like labyrinth seal.• Leakage less than labyrinth• Not wear like carbon seal
  10. 10. PRINCIPLE OPERATION

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