Bearings Online Catalogue

Home > Bearings Catalogue Online > Angular Contact Ball Bearings

Bearing S7018 ACD/P4A (SKF)

Angular contact ball bearings, super-precision S7018 ACD/P4A

Bearing number : S7018 ACD/P4A

Size (mm) : 90x140x24

Brand : SKF

Bore Diameter (mm) : 90

Outer Diameter (mm) : 140

Width (mm) : 24

Bearing dimensions and specification in SKF catalogue:

d - 90 mm

D - 140 mm

B - 24 mm

d₁ - 105.4 mm

d₂ - 105.4 mm

D₂ - 128.25 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1 mm

a - 39 mm

d_a - min. - 97 mm

d_a - max. - 104.8 mm

d_b - min. - 97 mm

d_b - max. - 104.8 mm

D_a - max. - 133 mm

D_b - max. - 136 mm

r_a - max. - 1.5 mm

r_b - max. - 1 mm

Basic dynamic load rating - C - 74.1 kN

Basic static load rating - C₀ - 72 kN

Fatigue load limit - P_u - 2.8 kN

Limiting speed for grease lubrication - 8500 r/min

Ball - D_w - 15.875 mm

Ball - z - 20

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 - 460 N

Preload class B - G_B - 920 N

Preload class C - G_C - 1840 N

Preload class D - G_D - 3680 N

Calculation factor - f - 1.14

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_2D - 1.08

Calculation factor - f_HC - 1

Preload class A - 245 N/micron

Preload class B - 321 N/micron

Preload class C - 425 N/micron

Preload class D - 575 N/micron

Mass bearing - 1.167 kg

Tags :  SKF , 90x140x24