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standards, Boundary dimensions: ISO 1206 for bearings in the (R)NA 48, (R)NA 49 and (R)NA 69 series. Tolerances For additional information → Tolerances, Normal P6 or P5 on request. Fw: F6 (table 1) Values are valid for unmounted bearings when rollers are in contact with the outer ring raceway. Tighter tolerance for
d, 40, mm. D, 90, mm. B, 23, mm. d1, ≈, 61.47, mm. D1, ≈, 80.2, mm. r1,2, min. 1.1, mm. Abutment dimensions. da, min. 49, mm. Da, max. 81, mm. ra, max. 1.1, mm. Calculation data. Basic dynamic load rating, C, 33.8, kN. Basic static load rating, C0, 11.2, kN. Fatigue load limit, Pu, 0.57, kN. Reference speed, 14000, r/min.