6001 Full Complement Full Ceramic Bearing 12x28x8 Si3N4 Ball Bearing Bearing inner diameter is 40mm

Bearing inner diameter is 40mm

and SB204-12 insert bearing

NN3011M2KC1NA P4 width is 26mm

Closure: Dual Metal Shields (ZZ)

6001 Full Complement Full Ceramic Bearing 12x28x8 Si3N4 Ball Bearing Bearing inner diameter is 40mm6001 Full Complement Ceramic Ball Bearing Silicon Nitride 12mm x 28mm x 8mm 6001 Full Complement Ceramic Silicon Nitride Ball Bearing, measures an inner diameter of 12mm, outer diameter is 28mm and the width is 8mm, Bearing is made from Silicon Nitride Ceramic. 6001 Ball Bearing Full Complement Ceramic Silicon Nitride Ball Bearing Cage: No Cage Balls: Si3N4 Ceramic (Silicon Nitride) Inner outer races: Si3N4 Ceramic (Silicon Nitride) Dimensions: 12mm x