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NTN 21308CK bearing



Bearing 21308CK

Spherical roller bearings 21308CK

Bearing number : 21308CK

Size (mm) : 40x90x23

Brand : NTN

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 23

Bearing dimensions and specification in NTN catalogue:

d - 40 mm

D - 90 mm

B - 23 mm

C - 23 mm

r min. - 1,5 mm

da min. - 48,5 mm

Da max. - 81,5 mm

ra max. - 1,5 mm

Weight - 0,694 Kg

Basic dynamic load rating (C) - 88 kN

Basic static load rating (C0) - 90 kN

(Grease) Lubrication Speed - 4 900 r/min

(Oil) Lubrication Speed - 6 400 r/min

Calculation factor (e) - 0,26

Calculation factor (Y0) - 2,5

Calculation factor (Y1) - 2,55

Calculation factor (Y2) - 3,8