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Bearing NK55/25R+IR50×55×25 (NTN)
Needle roller bearings NK55/25R+IR50×55×25
Bearing number : NK55/25R+IR50×55×25
Size (mm) : 50x68x25
Brand : NTN
Bore Diameter (mm) : 50
Outer Diameter (mm) : 68
Width (mm) : 25
Bearing dimensions and specification in NTN catalogue:
d - 50 mm
F - 55 mm
D - 68 mm
B - 25 mm
C - 25 mm
r min. - 0,6 mm
s - 1,5 mm
da min. - 53 mm
Da max. - 64 mm
ra max. - 0,6 mm
Weight - 0,271 Kg
Basic dynamic load rating (C) - 41 kN
Basic static load rating (C0) - 82 kN
(Grease) Lubrication Speed - 5 000 r/min
(Oil) Lubrication Speed - 7 500 r/min
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