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Bearing 7009 ACD/P4AH (SKF)

Angular contact ball bearings, super-precision 7009 ACD/P4AH

Bearing number : 7009 ACD/P4AH

Size (mm) : 45x75x16

Brand : SKF

Bore Diameter (mm) : 45

Outer Diameter (mm) : 75

Width (mm) : 16

Bearing dimensions and specification in SKF catalogue:

d - 45 mm

D - 75 mm

B - 16 mm

d₁ - 54.2 mm

d₂ - 54.2 mm

D₁ - 65.8 mm

K - 0.5 mm

C₁ - 9.45 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.3 mm

a - 22.1 mm

d_a - min. - 49.6 mm

d_b - min. - 49.6 mm

D_a - max. - 70.4 mm

D_b - max. - 73 mm

r_a - max. - 1 mm

r_b - max. - 0.3 mm

d_n - 56.2 mm

Basic dynamic load rating - C - 27.6 kN

Basic static load rating - C₀ - 21.6 kN

Fatigue load limit - P_u - 0.9 kN

Limiting speed for grease lubrication - 17000 r/min

Limiting speed for oil lubrication - 26000 mm/min

Ball - D_w - 9.525 mm

Ball - z - 17

G_ref - 3.3 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 - 170 N

Preload class B - G_B - 340 N

Preload class C - G_C - 680 N

Preload class D - G_D - 1360 N

Calculation factor - f - 1.09

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_2D - 1.08

Calculation factor - f_HC - 1

Preload class A - 132 N/micron

Preload class B - 173 N/micron

Preload class C - 229 N/micron

Preload class D - 309 N/micron

Mass bearing - 0.235 kg

Tags :  SKF , 45x75x16