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Bearing S7005 ACE/HCP4A (SKF)

Angular contact ball bearings, super-precision S7005 ACE/HCP4A

Bearing number : S7005 ACE/HCP4A

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 - 31.6 mm

d₂ - 29.8 mm

D₂ - 41.5 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 14.4 mm

d_a - min. - 28.2 mm

d_a - max. - 31.2 mm

d_b - min. - 28.2 mm

d_b - max. - 29.4 mm

D_a - max. - 43.8 mm

D_b - max. - 44.6 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

Basic dynamic load rating - C - 7.9 kN

Basic static load rating - C₀ - 3.9 kN

Fatigue load limit - P_u - 0.166 kN

Limiting speed for grease lubrication - 50000 r/min

Ball - D_w - 6.35 mm

Ball - z - 14

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 - 70 N

Preload class B - G_B - 210 N

Preload class C - G_C - 430 N

Calculation factor - f - 1.05

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.03

Calculation factor - f_2C - 1.06

Calculation factor - f_HC - 1.01

Preload class A - 66 N/micron

Preload class B - 98 N/micron

Preload class C - 130 N/micron

Mass bearing - 0.068 kg

Tags :  SKF , 25x47x12