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Bearing 719/8 ACE/HCP4A (SKF)

Angular contact ball bearings, super-precision 719/8 ACE/HCP4A

Bearing number : 719/8 ACE/HCP4A

Size (mm) : 8x19x6

Brand : SKF

Bore Diameter (mm) : 8

Outer Diameter (mm) : 19

Width (mm) : 6

Bearing dimensions and specification in SKF catalogue:

d - 8 mm

D - 19 mm

B - 6 mm

d₁ - 11.3 mm

d₂ - 10.76 mm

D₁ - 15.7 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 6.5 mm

d_a - min. - 10 mm

d_b - min. - 10 mm

D_a - max. - 17 mm

D_b - max. - 18.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 12.2 mm

Basic dynamic load rating - C - 1.7 kN

Basic static load rating - C₀ - 0.6 kN

Fatigue load limit - P_u - 0.026 kN

Limiting speed for grease lubrication - 130000 r/min

Limiting speed for oil lubrication - 200000 mm/min

Ball - D_w - 3.175 mm

Ball - z - 9

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 - 15 N

Preload class B - G_B - 46 N

Preload class C - G_C - 91 N

Calculation factor - f - 1.02

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 - 23 N/micron

Preload class B - 35 N/micron

Preload class C - 46 N/micron

Mass bearing - 0.006 kg

Tags :  SKF , 8x19x6