Bearing 61904 (SKF)

Deep groove ball bearings, single row 61904

Bearing number : 61904

Size (mm) : 20x37x9

Brand : SKF

Bore Diameter (mm) : 20

Outer Diameter (mm) : 37

Width (mm) : 9

Bearing dimensions and specification in SKF catalogue:

d - 20 mm

D - 37 mm

B - 9 mm

d₁ - - 25.55 mm

D₂ - - 32.7 mm

r_1,2 - min. - 0.3 mm

d_a - min. - 22 mm

D_a - max. - 35 mm

r_a - max. - 0.3 mm

Basic dynamic load rating - C - 6.4 kN

Basic static load rating - C₀ - 3.6 kN

Fatigue load limit - P_u - 0.156 kN

Reference speed - 43000 r/min

Limiting speed - 26000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 14.7

Mass bearing - 0.0366 kg

Designation

Bore Dia, mm

Outer Dia, mm: