Bearing W 637/8 R-2ZS (SKF)

Deep groove ball bearings, stainless steel W 637/8 R-2ZS

Bearing number : W 637/8 R-2ZS

Size (mm) : 8x12x3,5

Brand : SKF

Bore Diameter (mm) : 8

Outer Diameter (mm) : 12

Width (mm) : 3,5

Bearing dimensions and specification in SKF catalogue:

d - 8 mm

D - 12 mm

B - 3.5 mm

d₁ - - 9.05 mm

D₂ - - 11.33 mm

D₃ - 13.6 mm

C - 0.8 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 8.8 mm

r_a - max. - 0.1 mm

Basic dynamic load rating - C - 0.312 kN

Basic static load rating - C₀ - 0.14 kN

Fatigue load limit - P_u - 0.006 kN

Reference speed - 100000 r/min

Limiting speed - 50000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 8.2

Mass bearing - 0.0012 kg

Designation

Bore Dia, mm

Outer Dia, mm: