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Bearing 7004DB (NACHI)
Angular contact ball bearings 7004DB
Bearing number : 7004DB
Size (mm) : 20x42x12
Brand : NACHI
Bore Diameter (mm) : 20
Outer Diameter (mm) : 42
Width (mm) : 12
Bearing dimensions and specification in NACHI catalogue:
d - 20 mm
D - 42 mm
B - 12 mm
C - 12 mm
Angle (α) - 30 °
a - 2.9 mm
r min. - 0.6 mm
r1 min. - 0.3 mm
2B - 24 mm
da min. - 24 mm
Da max. - 40 mm
ra max. - 0.3 mm
Weight - 0.079 Kg
Basic dynamic load rating (C) - 16,7 kN
Basic static load rating (C0) - 12,1 kN
(Grease) Lubrication Speed - 12000 r/min
(Oil) Lubrication Speed - 16000 r/min
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