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Bearing 7009 ACE/HCP4AL1 (SKF)

Angular contact ball bearings, super-precision 7009 ACE/HCP4AL1

Bearing number : 7009 ACE/HCP4AL1

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 - 55.7 mm

d₂ - 53.6 mm

D₁ - 64.25 mm

b - 1.4 mm

C₁ - 5 mm

C₂ - 3 mm

C₃ - 3 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.6 mm

a - 22.2 mm

d_a - min. - 49.6 mm

d_b - min. - 49.6 mm

D_a - max. - 70.4 mm

D_b - max. - 70.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 57.6 mm

Basic dynamic load rating - C - 12.1 kN

Basic static load rating - C₀ - 8.2 kN

Fatigue load limit - P_u - 0.345 kN

Limiting speed for grease lubrication - 29000 r/min

Limiting speed for oil lubrication - 45000 mm/min

Ball - D_w - 7.144 mm

Ball - z - 21

G_ref - 3.4 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 - 110 N

Preload class B - G_B - 330 N

Preload class C - G_C - 660 N

Calculation factor - f - 1.06

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.03

Calculation factor - f_2C - 1.06

Calculation factor - f_HC - 1.01

Preload class A - 104 N/micron

Preload class B - 156 N/micron

Preload class C - 204 N/micron

Mass bearing - 0.223 kg

Tags :  SKF , 45x75x16