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Bearing 71936 ACD/HCP4A (SKF)

Angular contact ball bearings, super-precision 71936 ACD/HCP4A

Bearing number : 71936 ACD/HCP4A

Size (mm) : 180x250x33

Brand : SKF

Bore Diameter (mm) : 180

Outer Diameter (mm) : 250

Width (mm) : 33

Bearing dimensions and specification in SKF catalogue:

d - 180 mm

D - 250 mm

B - 33 mm

d₁ - 201.6 mm

d₂ - 201.6 mm

D₁ - 228.4 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 1 mm

a - 66.8 mm

d_a - min. - 189 mm

d_b - min. - 189 mm

D_a - max. - 241 mm

D_b - max. - 245 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

d_n - 207.4 mm

Basic dynamic load rating - C - 159 kN

Basic static load rating - C₀ - 200 kN

Fatigue load limit - P_u - 5.8 kN

Limiting speed for grease lubrication - 5600 r/min

Limiting speed for oil lubrication - 8500 mm/min

Ball - D_w - 22.225 mm

Ball - z - 27

G_ref - 54 cm3

Calculation factor - e - 0.68

Calculation factor - Y₂ - 0.87

Calculation factor - Y₀ - 0.38

Calculation factor - X₂ - 0.41

Calculation factor - Y₁ - 0.92

Calculation factor - Y₂ - 1.41

Calculation factor - Y₀ - 0.76

Calculation factor - X₂ - 0.67

Preload class A - G_A - 1000 N

Preload class B - G_B - 2000 N

Preload class C - G_C - 4000 N

Preload class D - G_D - 8000 N

Calculation factor - f - 1.25

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.07

Calculation factor - f_2C - 1.12

Calculation factor - f_2D - 1.17

Calculation factor - f_HC - 1.04

Preload class A - 491 N/micron

Preload class B - 645 N/micron

Preload class C - 859 N/micron

Preload class D - 1172 N/micron

Mass bearing - 3.479 kg

Tags :  SKF , 180x250x33