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Bearing 7214 ACD/P4A (SKF)

Angular contact ball bearings, super-precision 7214 ACD/P4A

Bearing number : 7214 ACD/P4A

Size (mm) : 70x125x24

Brand : SKF

Bore Diameter (mm) : 70

Outer Diameter (mm) : 125

Width (mm) : 24

Bearing dimensions and specification in SKF catalogue:

d - 70 mm

D - 125 mm

B - 24 mm

d₁ - 87.9 mm

d₂ - 87.9 mm

D₁ - 107.1 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 0.6 mm

a - 34.9 mm

d_a - min. - 79 mm

d_b - min. - 79 mm

D_a - max. - 116 mm

D_b - max. - 120.8 mm

r_a - max. - 1.5 mm

r_b - max. - 0.6 mm

d_n - 91.6 mm

Basic dynamic load rating - C - 66.3 kN

Basic static load rating - C₀ - 55 kN

Fatigue load limit - P_u - 2.4 kN

Limiting speed for grease lubrication - 9500 r/min

Limiting speed for oil lubrication - 16000 mm/min

Ball - D_w - 15.875 mm

Ball - z - 16

G_ref - 13.701 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 - 420 N

Preload class B - G_B - 840 N

Preload class C - G_C - 1680 N

Preload class D - G_D - 3360 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 - 201 N/micron

Preload class B - 261 N/micron

Preload class C - 345 N/micron

Preload class D - 464 N/micron

Mass bearing - 1.108 kg

Tags :  SKF , 70x125x24