18.5x26x4 Bearing Ceramic Si3N4 Stainless Steel Shielded
|18.5 x 26 x 4 Ceramic Balls (Si3N4)|
Stainless Steel Shielded Ball Bearing
One Ball Bearing
18.5mm x 26mm x 4mm Double Metal Shielded, radial and deep groove ball bearing,bearing is made of Stainless Steel with Ceramic Balls (Si3N4),bearing is closed with 2 Metal Shields, one Shield from each side to protect the bearing from dust or any possible contamination,bearing is sealed and self lubricated,.Most common application is the Align RC helicopter engine.