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Bearing 4T-JM714249/JM714210 (NTN)
Tapered roller bearings 4T-JM714249/JM714210
Bearing number : 4T-JM714249/JM714210
Size (mm) : 75x120x31
Brand : NTN
Bore Diameter (mm) : 75
Outer Diameter (mm) : 120
Width (mm) : 31
Bearing dimensions and specification in NTN catalogue:
d - 75 mm
D - 120 mm
T - 31 mm
B - 29,5 mm
C - 25 mm
ra1 max. - 2,5 mm
a - 1,9 mm
Da - 108 mm
db - 83 mm
ra max. - 3 mm
da - 88 mm
Db - 115 mm
Weight - 1,29 Kg
Basic dynamic load rating (C) - 131 kN
Basic static load rating (C0) - 197 kN
(Grease) Lubrication Speed - 2 900 r/min
(Oil) Lubrication Speed - 3 900 r/min
Calculation factor (e) - 0,44
Calculation factor (Y0) - 0,74
Calculation factor (Y2) - 1,35
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