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Specifications for NTN PK50X71X44.8 needle roller bearings

Reference speed: 220 r/min B: 39 mm da min.: 571 mm
d1: 575 mm r1,2 min.: 5 mm Mass bearing: 95.5 kg
Basic static load rating C0: 12900 kN Fatigue load limit Pu: 880 kN Minimum axial load factor A: 13.313
d: 420 mm

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