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Bearing 21312 (NTN)
Spherical roller bearings 21312
Bearing number : 21312
Size (mm) : 60x130x31
Brand : NTN
Bore Diameter (mm) : 60
Outer Diameter (mm) : 130
Width (mm) : 31
Bearing dimensions and specification in NTN catalogue:
d - 60 mm
D - 130 mm
B - 31 mm
C - 31 mm
r min. - 2,1 mm
da min. - 72 mm
Da max. - 118 mm
ra max. - 2 mm
Weight - 2,1 Kg
Basic dynamic load rating (C) - 167 kN
Basic static load rating (C0) - 191 kN
(Grease) Lubrication Speed - 3 400 r/min
(Oil) Lubrication Speed - 4 400 r/min
Calculation factor (e) - 0,25
Calculation factor (Y0) - 2,63
Calculation factor (Y1) - 2,69
Calculation factor (Y2) - 4
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