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Bearing NK21/20R (NTN)
Needle roller bearings NK21/20R
Bearing number : NK21/20R
Size (mm) : 21x29x20
Brand : NTN
Bore Diameter (mm) : 21
Outer Diameter (mm) : 29
Width (mm) : 20
Bearing dimensions and specification in NTN catalogue:
Fw - 21 mm
D - 29 mm
C - 20 mm
r min. - 0,3 mm
Da max. - 27 mm
ra max. - 0,3 mm
Weight - 0,035 Kg
Basic dynamic load rating (C) - 18,3 kN
Basic static load rating (C0) - 27,1 kN
(Grease) Lubrication Speed - 13000 r/min
(Oil) Lubrication Speed - 19000 r/min
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