What is the designation for a tapered bore on spherical roller bearings? NTN follows the ISO precision tolerance classes of P0, P6, P5, P4 and P2, which are
White Paper on bearing tolerance and precision levels including definitions and specifications of ABEC and RBEC precision levels . ABEC 3, Class 6, P6.
V. W. IMPEX - Exporter, Importer & Supplier of Eccentric Bearings based in Chandigarh, India. NTN, RN1024/P6. NTN, RN202TN1. NTN, RN202M.
ABEC precision levels, ABEC-1, ABEC-3, ABEC-5, ABEC-7, and ABEC-9 are the equivalent to ISO precision levels P0, P6, P5, P4, and P2 respectively.
Regarding bearing accuracy classes, besides ISO normal accuracy, as . P6. P5. P4. P2. ⎯. ⎯. Ball. ABEC 1. ABEC 3. ABEC 5. ABEC 7. ABEC 9. A60. Bearings.