Bearing 2304 (NACHI)

Self-aligning ball bearings 2304

Bearing number : 2304

Size (mm) : 20x52x21

Brand : NACHI

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 21

Bearing dimensions and specification in NACHI catalogue:

d - 20 mm

D - 52 mm

B - 21 mm

C - 21 mm

r1 min. - 1.1 mm

da min. - 26.5 mm

Da max. - 45.5 mm

ra max. - 1.0 mm

Weight - 0.209 Kg

Basic dynamic load rating (C) - 18 kN

Basic static load rating (C0) - 4,7 kN

(Grease) Lubrication Speed - 11000 r/min

(Oil) Lubrication Speed - 14000 r/min

Calculation factor (e) - 0.49

Calculation factor (Y0) - 1.35

Calculation factor (Y1) - 1.29

Calculation factor (Y2) - 2.00

Designation

Bore Dia, mm

Outer Dia, mm: