VXB Brand, 608 Full Complement Ceramic Ball Bearing High Temperature Silicon Nitride 8mm x 22mm x 7mm     608 Full Complement Ceramic High Temperature Silicon Nitride Ball Bearing, the most common size in business is 608, bearing inner diameter is 8mm, bearing outer diameter is 22mm and bearing width is 7mm, Bearing is made of Silicon Nitride Ceramic. Item: 608 Ball Bearing Type: Full Complement Ceramic Ball Bearing Cage: No Cage Balls: Si3N4 Ceramic (Silicon Nitride) Inner/outer races: Si3N4 Ceramic (Silicon Nitride) Dimensions: 8mm x 22mm x 7mm/Metric Bearing Inner Diameter: 8mm Bearing Outer Diameter: 22mm Bearing Width: 7mm Size: 8 x 22 x 7 mm Quantity: One Bearing Non-Magnetic Non-Conductive Highest Temperature: 1000 (degrees fahrenheit) = 537.78 (degrees Celsius)     608 Full Complement Ceramic High Temperature 1000 Degrees 8x22x7 Si3N4   Kit18121