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Bearing 4T-JM612949/JM612910 (NTN)
Tapered roller bearings 4T-JM612949/JM612910
Bearing number : 4T-JM612949/JM612910
Size (mm) : 70x115x29
Brand : NTN
Bore Diameter (mm) : 70
Outer Diameter (mm) : 115
Width (mm) : 29
Bearing dimensions and specification in NTN catalogue:
d - 70 mm
D - 115 mm
T - 29 mm
B - 29 mm
C - 23 mm
ra1 max. - 2,5 mm
a - 2,5 mm
Da - 103 mm
db - 77 mm
ra max. - 3 mm
da - 83 mm
Db - 110 mm
Weight - 1,13 Kg
Basic dynamic load rating (C) - 124 kN
Basic static load rating (C0) - 171 kN
(Grease) Lubrication Speed - 3 100 r/min
(Oil) Lubrication Speed - 4 100 r/min
Calculation factor (e) - 0,43
Calculation factor (Y0) - 0,77
Calculation factor (Y2) - 1,39
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