White Paper on bearing tolerance and precision levels including definitions and specifications of ABEC and RBEC precision levels . ABEC 5, Class 5, P5.
Regarding bearing accuracy classes, besides ISO normal accuracy, as the . P5. P4. P2. ⎯. ⎯. Ball. ABEC 1. ABEC 3. ABEC 5. ABEC 7. ABEC 9. A60. Bearings.
Radial runout of assembled bearing inner ring, e.g., radial runout of raceway. Sd Width Inner. & Outer Rings. +0.000 mm. +0.0000 in. To over incl. P0. P6. P5.