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NTN 1304SK bearing

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NTN 1304SK bearing

Self-aligning ball bearings 1304SK

Bearing number : 1304SK

Size (mm) : 20x52x15

Brand : NTN

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 15

Bearing dimensions and specification in NTN catalogue:

d - 20 mm

D - 52 mm

B - 15 mm

C - 15 mm

r min. - 1.1 mm

da min. - 26.5 mm

Da max. - 45.5 mm

ra max. - 1 mm

Weight - 0.15 Kg

Basic dynamic load rating (C) - 12.6 kN

Basic static load rating (C0) - 3.35 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 15 000 r/min

Calculation factor (e) - 0.29

Calculation factor (Y0) - 2.3

Calculation factor (Y1) - 2.2

Calculation factor (Y2) - 3.4

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