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Bearing 709 CD/P4AH (SKF)

Angular contact ball bearings, super-precision 709 CD/P4AH

Bearing number : 709 CD/P4AH

Size (mm) : 9x24x7

Brand : SKF

Bore Diameter (mm) : 9

Outer Diameter (mm) : 24

Width (mm) : 7

Bearing dimensions and specification in SKF catalogue:

d - 9 mm

D - 24 mm

B - 7 mm

d₁ - 14.1 mm

d₂ - 14.1 mm

D₁ - 18.9 mm

K - 0.5 mm

C₁ - 4.25 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.2 mm

a - 5.7 mm

d_a - min. - 11 mm

d_b - min. - 11 mm

D_a - max. - 22 mm

D_b - max. - 22.6 mm

r_a - max. - 0.3 mm

r_b - max. - 0.2 mm

d_n - 15.1 mm

Basic dynamic load rating - C - 3.6 kN

Basic static load rating - C₀ - 1.6 kN

Fatigue load limit - P_u - 0.068 kN

Limiting speed for grease lubrication - 80000 r/min

Limiting speed for oil lubrication - 120000 mm/min

Ball - D_w - 3.969 mm

Ball - z - 10

G_ref - 0.18 cm3

Calculation factor - f₀ - 8.8

Preload class A - G_A - 10 N

Preload class B - G_B - 20 N

Preload class C - G_C - 40 N

Preload class D - G_D - 80 N

Calculation factor - f - 1.02

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_2D - 1.09

Calculation factor - f_HC - 1

Preload class A - 11 N/micron

Preload class B - 15 N/micron

Preload class C - 20 N/micron

Preload class D - 29 N/micron

Mass bearing - 0.015 kg

Tags :  SKF , 9x24x7