NSK Bearing

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NSK Bearing
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Bearing 2304

Self-aligning ball bearings 2304

Bearing number : 2304

Size (mm) : 20x52x21

Brand : NSK

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 21

Bearing dimensions and specification in NSK catalogue:


d - 20 mm

D - 52 mm

B - 21 mm

C - 21 mm

r min. - 1,1 mm

da min. - 26,5 mm

Da max. - 45,5 mm

ra max. - 1 mm

Weight - 0,193 Kg

Basic dynamic load rating (C) - 18,5 kN

Basic static load rating (C0) - 4,7 kN

(Grease) Lubrication Speed - 11 000 r/min

(Oil) Lubrication Speed - 14 000 r/min

Calculation factor (e) - 0,5

Calculation factor (Y0) - 1,3

Calculation factor (Y2) - 1,9

Calculation factor (Y3) - 1,2


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