d - 39,688 mm
D - 79,375 mm
T - 23,812 mm
B - 25,4 mm
C - 19,05 mm
ra1 max. - 0,8 mm
a - 7,4 mm
Da - 71 mm
db - 45,5 mm
ra max. - 1,5 mm
da - 48 mm
Db - 74 mm
Weight - 0,554 Kg
Basic dynamic load rating (C) - 76,5 kN
Basic static load rating (C0) - 97,5 kN
(Grease) Lubrication Speed - 4 800 r/min
(Oil) Lubrication Speed - 6 400 r/min
Calculation factor (e) - 0,32
Calculation factor (Y0) - 1,04
Calculation factor (Y2) - 1,88
Hot number:KOYO 7311 C/DF NTN 2309K+H2309 FAG 30305A+T2FB025 OKB 42615E OKB 2D3182120K KOYO 53312 ZEN NK47/30 CX NN3122 K FAG E-19 SKF LS-20 INA NK-80/25 FAG NNU-49/530-KMSP/5 SKF 27271 SKF KMT 12 NOK ISO A0150G
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