KOYO NK47/20, Size: 47x57x20. KOYO NK47/20 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.
Needle roller bearing NK47/20
Bearing number : NK47/20
Size (mm) : 47x57x20
Brand : KOYO
Bore Diameter (mm) : 47
Outer Diameter (mm) : 57
Width (mm) : 20
Bearing dimensions and specification in KOYO catalogue:
Fw - 47 mm
D - 57 mm
C - 20 mm
r5 min. - 0,3 mm
Weight - 0,104 Kg
Basic dynamic load rating (C) - 30 kN
Basic static load rating (C0) - 58,5 kN
(Grease) Lubrication Speed - 5900 r/min
(Oil) Lubrication Speed - 9000 r/min
Tags : KOYO , 47x57x20
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