White Paper on bearing tolerance and precision levels including definitions and specifications of ABEC and RBEC precision levels . ABEC 5, Class 5, P5.
d, 35, mm. D, 80, mm. B, 21, mm. D1, ≈, 65.8, mm. F, 46.2, mm. r1,2, min. 1.5, mm. r3,4, min. 1.1, mm. s, max. 1.2, mm. Abutment dimensions. da, min. 42, mm.
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.
Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ NH-type cylindrical roller bearings consist of the NJ-type cylindrical roller bearings