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Bearing 7222 ACD/P4A (SKF)

Angular contact ball bearings, super-precision 7222 ACD/P4A

Bearing number : 7222 ACD/P4A

Size (mm) : 110x200x38

Brand : SKF

Bore Diameter (mm) : 110

Outer Diameter (mm) : 200

Width (mm) : 38

Bearing dimensions and specification in SKF catalogue:

d - 110 mm

D - 200 mm

B - 38 mm

d₁ - 138.7 mm

d₂ - 138.7 mm

D₁ - 171.3 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 1.1 mm

a - 55.4 mm

d_a - min. - 122 mm

d_b - min. - 122 mm

D_a - max. - 188 mm

D_b - max. - 193 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

d_n - 145.9 mm

Basic dynamic load rating - C - 168 kN

Basic static load rating - C₀ - 160 kN

Fatigue load limit - P_u - 5.4 kN

Limiting speed for grease lubrication - 6700 r/min

Limiting speed for oil lubrication - 10000 mm/min

Ball - D_w - 26.988 mm

Ball - z - 16

G_ref - 54.15 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 - 1050 N

Preload class B - G_B - 2100 N

Preload class C - G_C - 4200 N

Preload class D - G_D - 8400 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 - 325 N/micron

Preload class B - 423 N/micron

Preload class C - 557 N/micron

Preload class D - 748 N/micron

Mass bearing - 4.631 kg

Tags :  SKF , 110x200x38