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Bearing 7207 CD/HCP4A (SKF)

Angular contact ball bearings, super-precision 7207 CD/HCP4A

Bearing number : 7207 CD/HCP4A

Size (mm) : 35x72x17

Brand : SKF

Bore Diameter (mm) : 35

Outer Diameter (mm) : 72

Width (mm) : 17

Bearing dimensions and specification in SKF catalogue:

d - 35 mm

D - 72 mm

B - 17 mm

d₁ - 46.8 mm

d₂ - 46.8 mm

D₁ - 60.2 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.3 mm

a - 15.7 mm

d_a - min. - 42 mm

d_b - min. - 42 mm

D_a - max. - 65 mm

D_b - max. - 69.6 mm

r_a - max. - 1 mm

r_b - max. - 0.3 mm

d_n - 49.7 mm

Basic dynamic load rating - C - 31.9 kN

Basic static load rating - C₀ - 21.6 kN

Fatigue load limit - P_u - 0.915 kN

Limiting speed for grease lubrication - 26000 r/min

Limiting speed for oil lubrication - 38000 mm/min

Ball - D_w - 11.112 mm

Ball - z - 13

G_ref - 3.903 cm3

Calculation factor - f₀ - 13.9

Preload class A - G_A - 120 N

Preload class B - G_B - 240 N

Preload class C - G_C - 480 N

Preload class D - G_D - 960 N

Calculation factor - f - 1.05

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 - 1.06

Calculation factor - f_HC - 1.01

Preload class A - 55 N/micron

Preload class B - 75 N/micron

Preload class C - 104 N/micron

Preload class D - 151 N/micron

Mass bearing - 0.241 kg

Tags :  SKF , 35x72x17