Bearing 61903 (SKF)

Deep groove ball bearings, single row 61903

Bearing number : 61903

Size (mm) : 17x30x7

Brand : SKF

Bore Diameter (mm) : 17

Outer Diameter (mm) : 30

Width (mm) : 7

Bearing dimensions and specification in SKF catalogue:

d - 17 mm

D - 30 mm

B - 7 mm

d₁ - - 20.4 mm

D₂ - - 27.7 mm

r_1,2 - min. - 0.3 mm

d_a - min. - 19 mm

D_a - max. - 28 mm

r_a - max. - 0.3 mm

Basic dynamic load rating - C - 4.6 kN

Basic static load rating - C₀ - 2.6 kN

Fatigue load limit - P_u - 0.108 kN

Reference speed - 50000 r/min

Limiting speed - 32000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 14.7

Mass bearing - 0.016 kg

Designation

Bore Dia, mm

Outer Dia, mm: