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Bearing NJ304R (KOYO)
Cylindrical roller bearings NJ304R
Bearing number : NJ304R
Size (mm) : 20x52x15
Brand : KOYO
Bore Diameter (mm) : 20
Outer Diameter (mm) : 52
Width (mm) : 15
Bearing dimensions and specification in KOYO catalogue:
d - 20 mm
Fw - 27.5 mm
D - 52 mm
B - 15 mm
C - 15 mm
r min. - 1.1 mm
r1 min. - 0.6 mm
Weight - 0.153 Kg
Basic dynamic load rating (C) - 31.5 kN
Basic static load rating (C0) - 26.9 kN
(Grease) Lubrication Speed - 12000 r/min
(Oil) Lubrication Speed - 16000 r/min
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