• Wholesale 638 Full Ceramic Si3N4 Bearings 8x28x9 Miniature-Pack of 20
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Wholesale 638 Full Ceramic Si3N4 Bearings 8x28x9 Miniature-Pack of 20

Wholesale 638 Full Ceramic Si3N4 Bearings 8x28x9 Miniature-Pack of 20

$449.44 USD
$499.99 USD $449.44 USD
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638 Full Ceramic Ball Bearing
Silicon Nitride
8x28x9
Pack of 20 Bearings



638 Full Ceramic Ball Bearing, measures an inner diameter of 8mm, outer diameter is 28mm and the width is 9mm, a standard bearing size commonly used in a variety of industrial and commercial applications, Bearing is made from Ceramic.

  • 638 Ball Bearing
  • Full Ceramic Ball Bearing
  • Cage Material: PTFE (Polytetrafluoroethylene)
  • Balls: Si3N4 Ceramic (Silicon Nitride)
  • Inner/outer races: Si3N4 Ceramic (Silicon Nitride)
  • Dimensions: 8mm x 28mm x 9mm/Metric
  • ID (inner diameter)/Bore: 8mm
  • OD (outer diameter): 28mm
  • Width: 9mm
  • Size: 8x28x9
  • Quantity: 20 Bearings

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