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Bearing S7207 ACD/P4A (SKF)

Angular contact ball bearings, super-precision S7207 ACD/P4A

Bearing number : S7207 ACD/P4A

Size (mm) : 35x72x17

Brand : SKF

Bore Diameter (mm) : 35

Outer Diameter (mm) : 72

Width (mm) : 17

Bearing dimensions and specification in SKF catalogue:

d - 35 mm

D - 72 mm

B - 17 mm

d₁ - 46.8 mm

d₂ - 46.8 mm

D₂ - 63.2 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.3 mm

a - 21.1 mm

d_a - min. - 42 mm

d_a - max. - 46.2 mm

d_b - min. - 42 mm

d_b - max. - 46.2 mm

D_a - max. - 65 mm

D_b - max. - 69.6 mm

r_a - max. - 1 mm

r_b - max. - 0.3 mm

Basic dynamic load rating - C - 30.7 kN

Basic static load rating - C₀ - 20.8 kN

Fatigue load limit - P_u - 0.88 kN

Limiting speed for grease lubrication - 18000 r/min

Ball - D_w - 11.112 mm

Ball - z - 13

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 - 190 N

Preload class B - G_B - 380 N

Preload class C - G_C - 760 N

Preload class D - G_D - 1520 N

Calculation factor - f - 1.05

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.01

Calculation factor - f_2C - 1.02

Calculation factor - f_2D - 1.05

Calculation factor - f_HC - 1

Preload class A - 119 N/micron

Preload class B - 154 N/micron

Preload class C - 204 N/micron

Preload class D - 275 N/micron

Mass bearing - 0.289 kg

Tags :  SKF , 35x72x17