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Bearing 4T-2788/2720 (NTN)
Tapered roller bearings 4T-2788/2720
Bearing number : 4T-2788/2720
Size (mm) : 38.1x76.2x23.812
Brand : NTN
Bore Diameter (mm) : 38,1
Outer Diameter (mm) : 76,2
Width (mm) : 23,812
Bearing dimensions and specification in NTN catalogue:
d - 38,1 mm
D - 76,2 mm
T - 23,812 mm
B - 25,654 mm
C - 19,05 mm
ra1 max. - 3,3 mm
a - 7,8 mm
Da - 66 mm
db - 43,5 mm
ra max. - 3,5 mm
da - 50 mm
Db - 70 mm
Weight - 0,497 Kg
Basic dynamic load rating (C) - 73 kN
Basic static load rating (C0) - 90,5 kN
(Grease) Lubrication Speed - 5 100 r/min
(Oil) Lubrication Speed - 6 800 r/min
Calculation factor (e) - 0,3
Calculation factor (Y0) - 1,09
Calculation factor (Y2) - 1,98
Tags : NTN , 38.1x76.2x23.812
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