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Bearing 7213 CD/P4A (SKF)

Angular contact ball bearings, super-precision 7213 CD/P4A

Bearing number : 7213 CD/P4A

Size (mm) : 65x120x23

Brand : SKF

Bore Diameter (mm) : 65

Outer Diameter (mm) : 120

Width (mm) : 23

Bearing dimensions and specification in SKF catalogue:

d - 65 mm

D - 120 mm

B - 23 mm

d₁ - 82.9 mm

d₂ - 82.9 mm

D₁ - 102.1 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 0.6 mm

a - 24 mm

d_a - min. - 74 mm

d_b - min. - 74 mm

D_a - max. - 111 mm

D_b - max. - 115.8 mm

r_a - max. - 1.5 mm

r_b - max. - 0.6 mm

d_n - 86.6 mm

Basic dynamic load rating - C - 66.3 kN

Basic static load rating - C₀ - 53 kN

Fatigue load limit - P_u - 2.3 kN

Limiting speed for grease lubrication - 12000 r/min

Limiting speed for oil lubrication - 19000 mm/min

Ball - D_w - 15.875 mm

Ball - z - 15

G_ref - 12.471 cm3

Calculation factor - f₀ - 14.6

Preload class A - G_A - 250 N

Preload class B - G_B - 500 N

Preload class C - G_C - 1000 N

Preload class D - G_D - 2000 N

Calculation factor - f - 1.07

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.01

Calculation factor - f_2C - 1.03

Calculation factor - f_2D - 1.05

Calculation factor - f_HC - 1

Preload class A - 78 N/micron

Preload class B - 106 N/micron

Preload class C - 148 N/micron

Preload class D - 212 N/micron

Mass bearing - 1.027 kg

Tags :  SKF , 65x120x23