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Bearing 4T-320/28X (NTN)
Tapered roller bearings 4T-320/28X
Bearing number : 4T-320/28X
Size (mm) : 28x52x16
Brand : NTN
Bore Diameter (mm) : 28
Outer Diameter (mm) : 52
Width (mm) : 16
Bearing dimensions and specification in NTN catalogue:
d - 28 mm
D - 52 mm
T - 16 mm
B - 16 mm
C - 12 mm
ra1 max. - 1 mm
a - 12,5 mm
r min. - 1 mm
r1 min. - 1 mm
da min. - 33,5 mm
Da min - 45 mm
Da max. - 46,5 mm
db max. - 33 mm
Db min. - 49 mm
ra max. - 1 mm
Sa - 3 mm
Sb - 4 mm
Weight - 0,146 Kg
Basic dynamic load rating (C) - 33 kN
Basic static load rating (C0) - 40,5 kN
(Grease) Lubrication Speed - 7 300 r/min
(Oil) Lubrication Speed - 9 700 r/min
Calculation factor (e) - 0,43
Calculation factor (Y0) - 0,77
Calculation factor (Y2) - 1,39
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