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Bearing 71803 ACD/P4 (SKF)

Angular contact ball bearings, super-precision 71803 ACD/P4

Bearing number : 71803 ACD/P4

Size (mm) : 17x26x5

Brand : SKF

Bore Diameter (mm) : 17

Outer Diameter (mm) : 26

Width (mm) : 5

Bearing dimensions and specification in SKF catalogue:

d - 17 mm

D - 26 mm

B - 5 mm

d₁ - 20.1 mm

d₂ - 20.1 mm

D₁ - 23 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 7.5 mm

d_a - min. - 19 mm

d_b - min. - 19 mm

D_a - max. - 24 mm

D_b - max. - 25.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 20.4 mm

Basic dynamic load rating - C - 2.2 kN

Basic static load rating - C₀ - 1.5 kN

Fatigue load limit - P_u - 0.064 kN

Limiting speed for grease lubrication - 48000 r/min

Limiting speed for oil lubrication - 75000 mm/min

Ball - D_w - 2.381 mm

Ball - z - 18

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 - 20 N

Preload class B - G_B - 60 N

Preload class C - G_C - 120 N

Calculation factor - f - 1.1

Calculation factor - f₁ - 0.97

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.08

Calculation factor - f_2C - 1.15

Calculation factor - f_HC - 1

Preload class A - 43 N/micron

Preload class B - 67 N/micron

Preload class C - 90 N/micron

Mass bearing - 0.01 kg

Tags :  SKF , 17x26x5