Bearing W 638/4 R-2RS1 (SKF)

Deep groove ball bearings, stainless steel W 638/4 R-2RS1

Bearing number : W 638/4 R-2RS1

Size (mm) : 4x9x4

Brand : SKF

Bore Diameter (mm) : 4

Outer Diameter (mm) : 9

Width (mm) : 4

Bearing dimensions and specification in SKF catalogue:

d - 4 mm

D - 9 mm

B - 4 mm

d₁ - - 5.2 mm

D₂ - - 8.1 mm

D₃ - 10.3 mm

C - 1 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 4.6 mm

r_a - max. - 0.1 mm

Basic dynamic load rating - C - 0.364 kN

Basic static load rating - C₀ - 0.114 kN

Fatigue load limit - P_u - 0.005 kN

Limiting speed - 40000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 6.5

Mass bearing - 0.0011 kg

Tags : SKF , 4x9x4

Designation

Bore Dia, mm

Outer Dia, mm: