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Bearing 719/9 ACE/HCP4AH (SKF)

Angular contact ball bearings, super-precision 719/9 ACE/HCP4AH

Bearing number : 719/9 ACE/HCP4AH

Size (mm) : 9x20x6

Brand : SKF

Bore Diameter (mm) : 9

Outer Diameter (mm) : 20

Width (mm) : 6

Bearing dimensions and specification in SKF catalogue:

d - 9 mm

D - 20 mm

B - 6 mm

d₁ - 12.5 mm

d₂ - 11.76 mm

D₁ - 16.52 mm

K - 0.5 mm

C₁ - 3.65 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 6.9 mm

d_a - min. - 11 mm

d_b - min. - 11 mm

D_a - max. - 18 mm

D_b - max. - 19.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 13.3 mm

Basic dynamic load rating - C - 2 kN

Basic static load rating - C₀ - 0.765 kN

Fatigue load limit - P_u - 0.032 kN

Limiting speed for grease lubrication - 120000 r/min

Limiting speed for oil lubrication - 180000 mm/min

Ball - D_w - 3.175 mm

Ball - z - 11

G_ref - 0.09 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 - 17 N

Preload class B - G_B - 50 N

Preload class C - G_C - 100 N

Calculation factor - f - 1.03

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.08

Calculation factor - f_HC - 1.01

Preload class A - 28 N/micron

Preload class B - 41 N/micron

Preload class C - 54 N/micron

Mass bearing - 0.007 kg

Tags :  SKF , 9x20x6