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Bearing 7005 CD/P4A (SKF)

Angular contact ball bearings, super-precision 7005 CD/P4A

Bearing number : 7005 CD/P4A

Size (mm) : 25x47x12

Brand : SKF

Bore Diameter (mm) : 25

Outer Diameter (mm) : 47

Width (mm) : 12

Bearing dimensions and specification in SKF catalogue:

d - 25 mm

D - 47 mm

B - 12 mm

d₁ - 32.1 mm

d₂ - 32.1 mm

D₁ - 39.9 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 10.9 mm

d_a - min. - 28.2 mm

d_b - min. - 28.2 mm

D_a - max. - 43.8 mm

D_b - max. - 45 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

d_n - 33.4 mm

Basic dynamic load rating - C - 9.6 kN

Basic static load rating - C₀ - 5.2 kN

Fatigue load limit - P_u - 0.22 kN

Limiting speed for grease lubrication - 36000 r/min

Limiting speed for oil lubrication - 56000 mm/min

Ball - D_w - 6.35 mm

Ball - z - 14

G_ref - 1.02 cm3

Calculation factor - f₀ - 9.6

Preload class A - G_A - 35 N

Preload class B - G_B - 70 N

Preload class C - G_C - 140 N

Preload class D - G_D - 280 N

Calculation factor - f - 1.05

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_2D - 1.09

Calculation factor - f_HC - 1

Preload class A - 25 N/micron

Preload class B - 33 N/micron

Preload class C - 46 N/micron

Preload class D - 64 N/micron

Mass bearing - 0.079 kg

Tags :  SKF , 25x47x12