7304DB NACHI bearing

Bearing 7304DB

Angular contact ball bearings 7304DB

Bearing number : 7304DB

Size (mm) : 20x52x15

Brand : NACHI

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 15

Bearing dimensions and specification in NACHI catalogue:

d - 20 mm

D - 52 mm

B - 15 mm

C - 15 mm

Angle (α) - 30 °

a - 2.9 mm

r min. - 1.1 mm

r1 min. - 0.6 mm

2B - 30 mm

da min. - 25 mm

Da max. - 47 mm

ra max. - 0.6 mm

Weight - 0.150 Kg

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

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

(Grease) Lubrication Speed - 10000 r/min

(Oil) Lubrication Speed - 13000 r/min

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