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Bearing BK4020 (Timken)
Needle roller bearings BK4020
Bearing number : BK4020
Size (mm) : 40x47x20
Brand : Timken
Bore Diameter (mm) : 40
Outer Diameter (mm) : 47
Width (mm) : 20
Bearing dimensions and specification in Timken catalogue:
Fw - 40 mm
D - 47 mm
C - 20 mm
r - 1 mm
C1 - 17,3 mm
Weight - 0,07 Kg
Basic dynamic load rating (C) - 25,1 kN
Basic static load rating (C0) - 50,4 kN
(Grease) Lubrication Speed - 5200 r/min
(Oil) Lubrication Speed - 7900 r/min
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