Bearing W 638/4 XR-2Z (SKF)

Deep groove ball bearings, stainless steel W 638/4 XR-2Z

Bearing number : W 638/4 XR-2Z

Size (mm) : 4x10x4

Brand : SKF

Bore Diameter (mm) : 4

Outer Diameter (mm) : 10

Width (mm) : 4

Bearing dimensions and specification in SKF catalogue:

d - 4 mm

D - 10 mm

B - 4 mm

d₁ - - 5.9 mm

D₂ - - 8.8 mm

D₃ - 11.6 mm

C - 0.8 mm

r_1,2 - min. - 0.15 mm

d_a - min. - 5.6 mm

r_a - max. - 0.15 mm

Basic dynamic load rating - C - 0.553 kN

Basic static load rating - C₀ - 0.245 kN

Fatigue load limit - P_u - 0.011 kN

Reference speed - 130000 r/min

Limiting speed - 63000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 12.3

Mass bearing - 0.0015 kg

Tags : SKF , 4x10x4

Designation

Bore Dia, mm

Outer Dia, mm: