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Bearing 7215 ACD/HCP4A (SKF)

Angular contact ball bearings, super-precision 7215 ACD/HCP4A

Bearing number : 7215 ACD/HCP4A

Size (mm) : 75x130x25

Brand : SKF

Bore Diameter (mm) : 75

Outer Diameter (mm) : 130

Width (mm) : 25

Bearing dimensions and specification in SKF catalogue:

d - 75 mm

D - 130 mm

B - 25 mm

d₁ - 92.9 mm

d₂ - 92.9 mm

D₁ - 112.1 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 0.6 mm

a - 36.5 mm

d_a - min. - 84 mm

d_b - min. - 84 mm

D_a - max. - 121 mm

D_b - max. - 125.8 mm

r_a - max. - 1.5 mm

r_b - max. - 0.6 mm

d_n - 96.6 mm

Basic dynamic load rating - C - 68.9 kN

Basic static load rating - C₀ - 58.5 kN

Fatigue load limit - P_u - 2.5 kN

Limiting speed for grease lubrication - 11000 r/min

Limiting speed for oil lubrication - 18000 mm/min

Ball - D_w - 15.875 mm

Ball - z - 17

G_ref - 14.895 cm3

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 - 430 N

Preload class B - G_B - 860 N

Preload class C - G_C - 1720 N

Preload class D - G_D - 3440 N

Calculation factor - f - 1.08

Calculation factor - f₁ - 0.99

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 - 234 N/micron

Preload class B - 304 N/micron

Preload class C - 401 N/micron

Preload class D - 540 N/micron

Mass bearing - 1.044 kg

Tags :  SKF , 75x130x25