Bearing 6404 (SKF)

Deep groove ball bearings, single row 6404

Bearing number : 6404

Size (mm) : 20x72x19

Brand : SKF

Bore Diameter (mm) : 20

Outer Diameter (mm) : 72

Width (mm) : 19

Bearing dimensions and specification in SKF catalogue:

d - 20 mm

D - 72 mm

B - 19 mm

d₁ - - 37.11 mm

D₁ - - 54.75 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 29 mm

D_a - max. - 63 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 30.7 kN

Basic static load rating - C₀ - 15 kN

Fatigue load limit - P_u - 0.64 kN

Reference speed - 24000 r/min

Limiting speed - 15000 r/min

Calculation factor - k_r - 0.035

Calculation factor - f₀ - 11

Mass bearing - 0.409 kg

Designation

Bore Dia, mm

Outer Dia, mm: