NTN 7304DF bearing

20x52x15

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Angular contact ball bearings 7304DF

Bearing number : 7304DF

Size (mm) : 20x52x15

Brand : NTN

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 15

Bearing dimensions and specification in NTN catalogue:

d - 20 mm

D - 52 mm

B - 15 mm

ra1 max. - 0,6 mm

Angle (α) - 25 °

a - 18 mm

r min. - 1,1 mm

r1 min. - 0,6 mm

2B - 30 mm

Da max. - 45 mm

db min - 24,5 mm

ra max. - 1 mm

Weight - 0,276 Kg

Basic dynamic load rating (C) - 30,5 kN

Basic static load rating (C0) - 20,8 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 17 000 r/min

Bearing 7304DF

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