Bearing 5x8x2.5mm Stainless Steel Ceramic - Sealed - Miniature Inner Diameter - 2.75mm the NJ214 inner diameter is

the NJ214 inner diameter is 70mm

Equal FAG 6922

698ZZ Shield Double Metal Shields for dust protection (ZZ)

Commonly used in precision tools

Bearing 5x8x2.5mm Stainless Steel Ceramic - Sealed - Miniature Inner Diameter - 2.75mm the NJ214 inner diameter is5 x 8 x 2. 5 Stainless Steel Sealed Ball Bearing One Bearing 5 x 8 x 2. 5 Stainless Steel Sealed Ball Bearing, bearing is made from stainless steel, bearing is rubber sealed from both sides to protect the bearing from dust or any possible contamination, also bearing is pre lubricated with grease, measures an inner diameter of 5mm, the outer diameter is 8mm and the width is 2. 5mm. 5 x 8 x 2. 5 Ball Bearing Deep Groove Radial Ball Bearing Balls: Si3N4