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

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$575.99
SKU: FULL638-SI3N4-SI3N4-PTFE-20
UPC: 00193019195437
Item: 638 Ball Bearing
Inner/outer races: Si3N4 Ceramic (Silicon Nitride)
Cage: PTFE
Balls: Si3N4 Ceramic (Silicon Nitride)
Delivery in 30-45 days
638 Full Ceramic Ball Bearing
Silicon Nitride
8x28x9
Pack of 20 Bearings



638 Full Ceramic Ball Bearing, the inner diameter is 8mm, outer diameter is 28mm and the width is 9mm, this is a popular size that could be used in many applications, Bearing is made of Ceramic.

  • Item: 638 Ball Bearing
  • Type: Full Ceramic Ball Bearing
  • Cage: PTFE
  • 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/Height/thickness: 9mm
  • Size: 8x28x9
  • Quantity: 20 Bearings