NTN 4T-3781 Roller Bearings

d:65 mm
D:100 mm
B:18 mm
d1:77.26 mm
d2:74.9 mm
D2:91.1 mm
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm

Product Details

d65 mm
D100 mm
B18 mm
d177.26 mm
d274.9 mm
D291.1 mm
r1,2 min.1.1 mm
r3,4 min.0.6 mm
a20.2 mm
da min.71 mm
da max.76.5 mm
db min.71 mm
db max.74.1 mm
Da max.94 mm
Db max.95.8 mm
ra max.1 mm
rb max.0.6 mm
Basic dynamic load rating C20.3 kN
Basic static load rating C015.6 kN
Fatigue load limit Pu0.655 kN
Attainable speed for grease lubrication22000 r/min
Ball diameter Dw8.731 mm
Number of balls z25
Preload class A GA110 N
Static axial stiffness, preload class A59 N/µm
Preload class B GB330 N
Static axial stiffness, preload class B92 N/µm
Preload class C GC650 N
Static axial stiffness, preload class C124 N/µm
Calculation factor f1.09
Calculation factor f11
Calculation factor f2A1
Calculation factor f2B1.03
Calculation factor f2C1.05
Calculation factor fHC1.01
Calculation factor f08.4
Mass bearing0.41 kg
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Company Profile

Worktime 9.00--18.00
Phone 0065-31591338
Fax 0065-31591338
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