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Bearing BK4020 (NTN)
Needle roller bearings BK4020
Bearing number : BK4020
Size (mm) : 40x47x20
Brand : NTN
Bore Diameter (mm) : 40
Outer Diameter (mm) : 47
Width (mm) : 20
Bearing dimensions and specification in NTN catalogue:
Fw - 40 mm
D - 47 mm
C - 20 mm
C1 - 2,7 mm
Weight - 0,064 Kg
Basic dynamic load rating (C) - 25,9 kN
Basic static load rating (C0) - 52,5 kN
(Grease) Lubrication Speed - 4 000 r/min
(Oil) Lubrication Speed - 6 000 r/min
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