NTN 677 services Tapered Roller Bearings

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NTN 677 services Tapered Roller Bearings image

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NTN 677 services Tapered Roller Bearings Dimensions

Dimension series:2FD
d:45 mm
D:100 mm
T:38.25 mm
d1 ≈:71.1 mm
B:36 mm
C:30 mm
r1,2 min.:2 mm
r3,4 min.:1.5 mm
a:24.712 mm
da max.:57 mm
db min.:55 mm
Da min.:82 mm
Da max.:92 mm
Db min.:93 mm
Ca min.:4 mm
Cb min.:8 mm
ra max.:2 mm
rb max.:1.5 mm
Basic dynamic load rating C:173 kN
Basic static load rating C0:170 kN
Fatigue load limit Pu:20.4 kN
Reference speed:5300 r/min
Limiting speed:7000 r/min
Calculation factor e:0.35
Calculation factor Y:1.7
Calculation factor Y0:0.9
Mass bearing:1.39 kg

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