NSK Bearing

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NSK Bearing
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Bearing 21306CDE4

Spherical roller bearings 21306CDE4

Bearing number : 21306CDE4

Size (mm) : 30x72x19

Brand : NSK

Bore Diameter (mm) : 30

Outer Diameter (mm) : 72

Width (mm) : 19

Bearing dimensions and specification in NSK catalogue:


d - 30 mm

D - 72 mm

B - 19 mm

C - 19 mm

r min. - 1,1 mm

da min. - 37 mm

da max - 40 mm

Da min - 59 mm

Da max. - 65 mm

ra max. - 1 mm

Weight - 0,39 Kg

Basic dynamic load rating (C) - 55 kN

Basic static load rating (C0) - 54 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6000 r/min

Calculation factor (e) - 0,28

Calculation factor (Y0) - 2,3

Calculation factor (Y2) - 3,6

Calculation factor (Y3) - 2,4


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