Bearing 638/5-2Z (SKF)

Deep groove ball bearings, single row 638/5-2Z

Bearing number : 638/5-2Z

Size (mm) : 5x11x5

Brand : SKF

Bore Diameter (mm) : 5

Outer Diameter (mm) : 11

Width (mm) : 5

Bearing dimensions and specification in SKF catalogue:

d - 5 mm

D - 11 mm

B - 5 mm

d₂ - - 6.2 mm

D₂ - - 9.9 mm

r_1,2 - min. - 0.15 mm

d_a - min. - 5.8 mm

d_a - max. - 6 mm

D_a - max. - 10.2 mm

r_a - max. - 0.1 mm

Basic dynamic load rating - C - 0.64 kN

Basic static load rating - C₀ - 0.26 kN

Fatigue load limit - P_u - 0.011 kN

Reference speed - 120000 r/min

Limiting speed - 60000 r/min

Calculation factor - k_r - 0.015

Calculation factor - f₀ - 11

Mass bearing - 0.0016 kg

Tags : SKF , 5x11x5

Designation

Bore Dia, mm

Outer Dia, mm: