Bearings Online Catalogue

Home > Bearings Catalogue Online > Angular Contact Ball Bearings

Bearing 7205 CD/P4A (SKF)

Angular contact ball bearings, super-precision 7205 CD/P4A

Bearing number : 7205 CD/P4A

Size (mm) : 25x52x15

Brand : SKF

Bore Diameter (mm) : 25

Outer Diameter (mm) : 52

Width (mm) : 15

Bearing dimensions and specification in SKF catalogue:

d - 25 mm

D - 52 mm

B - 15 mm

d₁ - 34.1 mm

d₂ - 34.1 mm

D₁ - 43.7 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.3 mm

a - 12.8 mm

d_a - min. - 30.6 mm

d_b - min. - 30.6 mm

D_a - max. - 46.4 mm

D_b - max. - 49.6 mm

r_a - max. - 1 mm

r_b - max. - 0.3 mm

d_n - 36.1 mm

Basic dynamic load rating - C - 13.5 kN

Basic static load rating - C₀ - 7.2 kN

Fatigue load limit - P_u - 0.305 kN

Limiting speed for grease lubrication - 30000 r/min

Limiting speed for oil lubrication - 45000 mm/min

Ball - D_w - 7.938 mm

Ball - z - 13

G_ref - 1.872 cm3

Calculation factor - f₀ - 9.1

Preload class A - G_A - 50 N

Preload class B - G_B - 100 N

Preload class C - G_C - 200 N

Preload class D - G_D - 400 N

Calculation factor - f - 1.03

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 - 29 N/micron

Preload class B - 38 N/micron

Preload class C - 52 N/micron

Preload class D - 72 N/micron

Mass bearing - 0.128 kg

Tags :  SKF , 25x52x15