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Bearing 7224 ACD/P4A (SKF)

Angular contact ball bearings, super-precision 7224 ACD/P4A

Bearing number : 7224 ACD/P4A

Size (mm) : 120x215x40

Brand : SKF

Bore Diameter (mm) : 120

Outer Diameter (mm) : 215

Width (mm) : 40

Bearing dimensions and specification in SKF catalogue:

d - 120 mm

D - 215 mm

B - 40 mm

d₁ - 150.3 mm

d₂ - 150.3 mm

D₁ - 186.7 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 1.1 mm

a - 59.6 mm

d_a - min. - 132 mm

d_b - min. - 132 mm

D_a - max. - 203 mm

D_b - max. - 208 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

d_n - 158.2 mm

Basic dynamic load rating - C - 190 kN

Basic static load rating - C₀ - 183 kN

Fatigue load limit - P_u - 6 kN

Limiting speed for grease lubrication - 6000 r/min

Limiting speed for oil lubrication - 9000 mm/min

Ball - D_w - 30.162 mm

Ball - z - 15

G_ref - 69.084 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 - 1200 N

Preload class B - G_B - 2400 N

Preload class C - G_C - 4800 N

Preload class D - G_D - 9600 N

Calculation factor - f - 1.08

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.01

Calculation factor - f_2C - 1.02

Calculation factor - f_2D - 1.05

Calculation factor - f_HC - 1

Preload class A - 338 N/micron

Preload class B - 440 N/micron

Preload class C - 579 N/micron

Preload class D - 777 N/micron

Mass bearing - 5.423 kg

Tags :  SKF , 120x215x40