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Bearing 1304 (NACHI)
Self-aligning ball bearings 1304
Bearing number : 1304
Size (mm) : 20x52x15
Brand : NACHI
Bore Diameter (mm) : 20
Outer Diameter (mm) : 52
Width (mm) : 15
Bearing dimensions and specification in NACHI catalogue:
d - 20 mm
D - 52 mm
B - 15 mm
C - 15 mm
r1 min. - 1.1 mm
da min. - 26.5 mm
Da max. - 45.5 mm
ra max. - 1.0 mm
Weight - 0.163 Kg
Basic dynamic load rating (C) - 12,4 kN
Basic static load rating (C0) - 3,3 kN
(Grease) Lubrication Speed - 12000 r/min
(Oil) Lubrication Speed - 15000 r/min
Calculation factor (e) - 0.30
Calculation factor (Y0) - 2.22
Calculation factor (Y1) - 2.12
Calculation factor (Y2) - 3.28
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