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Bearing BK0408 (KOYO)
Needle roller bearings BK0408
Bearing number : BK0408
Size (mm) : 4x8x8
Brand : KOYO
Bore Diameter (mm) : 4
Outer Diameter (mm) : 8
Width (mm) : 8
Bearing dimensions and specification in KOYO catalogue:
Fw - 4 mm
D - 8 mm
C - 8 mm
r5 min. - 0.40 mm
C2 - 6.40 mm
Weight - 0.002 Kg
Basic dynamic load rating (C) - 1.83 kN
Basic static load rating (C0) - 1.32 kN
(Grease) Lubrication Speed - 25000 r/min
(Oil) Lubrication Speed - 39000 r/min
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