Wholesale 638 Full Ceramic Si3N4 Bearing 8x28x9 Miniature-Pack of 20
Inner/outer races: Si3N4 Ceramic (Silicon Nitride)
Balls: Si3N4 Ceramic (Silicon Nitride)
Delivery in 30-45 days
|638 Full Ceramic Ball Bearing|
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.