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Bearing 71918 CE/P4A (SKF)

Angular contact ball bearings, super-precision 71918 CE/P4A

Bearing number : 71918 CE/P4A

Size (mm) : 90x125x18

Brand : SKF

Bore Diameter (mm) : 90

Outer Diameter (mm) : 125

Width (mm) : 18

Bearing dimensions and specification in SKF catalogue:

d - 90 mm

D - 125 mm

B - 18 mm

d₁ - 101 mm

d₂ - 97.9 mm

D₁ - 114.22 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 24.4 mm

d_a - min. - 96 mm

d_b - min. - 93.2 mm

D_a - max. - 119 mm

D_b - max. - 121.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 103.5 mm

Basic dynamic load rating - C - 30.2 kN

Basic static load rating - C₀ - 24.5 kN

Fatigue load limit - P_u - 0.965 kN

Limiting speed for grease lubrication - 14500 r/min

Limiting speed for oil lubrication - 22000 mm/min

Ball - D_w - 11.112 mm

Ball - z - 24

G_ref - 7 cm3

Calculation factor - f₀ - 8.5

Preload class A - G_A - 163 N

Preload class B - G_B - 488 N

Preload class C - G_C - 977 N

Calculation factor - f - 1.19

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.08

Calculation factor - f_HC - 1

Preload class A - 65 N/micron

Preload class B - 102 N/micron

Preload class C - 141 N/micron

Mass bearing - 0.54 kg

Tags :  SKF , 90x125x18