NTN Bearing

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NTN Bearing
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Bearing 240/630BK30

Spherical roller bearings 240/630BK30

Bearing number : 240/630BK30

Size (mm) : 630x920x290

Brand : NTN

Bore Diameter (mm) : 630

Outer Diameter (mm) : 920

Width (mm) : 290

Bearing dimensions and specification in NTN catalogue:


d - 630 mm

D - 920 mm

B - 290 mm

C - 290 mm

r min. - 7,5 mm

da min. - 666 mm

Da max. - 884 mm

ra max. - 6 mm

Weight - 646 Kg

Basic dynamic load rating (C) - 7 550 kN

Basic static load rating (C0) - 17 900 kN

(Grease) Lubrication Speed - 270 r/min

(Oil) Lubrication Speed - 350 r/min

Calculation factor (e) - 0,3

Calculation factor (Y0) - 2,23

Calculation factor (Y1) - 2,28

Calculation factor (Y2) - 3,4


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