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Bearing 4T-68450/68712 (NTN)
Tapered roller bearings 4T-68450/68712
Bearing number : 4T-68450/68712
Size (mm) : 114.3x180.975x34.925
Brand : NTN
Bore Diameter (mm) : 114,3
Outer Diameter (mm) : 180,975
Width (mm) : 34,925
Bearing dimensions and specification in NTN catalogue:
d - 114,3 mm
D - 180,975 mm
T - 34,925 mm
B - 31,75 mm
C - 25,4 mm
ra1 max. - 3,3 mm
a - -5,4 mm
Da - 163 mm
db - 123 mm
ra max. - 3,5 mm
da - 130 mm
Db - 172 mm
Weight - 2,93 Kg
Basic dynamic load rating (C) - 169 kN
Basic static load rating (C0) - 245 kN
(Grease) Lubrication Speed - 1 900 r/min
(Oil) Lubrication Speed - 2 500 r/min
Calculation factor (e) - 0,5
Calculation factor (Y0) - 0,66
Calculation factor (Y2) - 1,21
Tags : NTN , 114.3x180.975x34.925
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