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Bearing 71907 ACE/P4A (SKF)

Angular contact ball bearings, super-precision 71907 ACE/P4A

Bearing number : 71907 ACE/P4A

Size (mm) : 35x55x10

Brand : SKF

Bore Diameter (mm) : 35

Outer Diameter (mm) : 55

Width (mm) : 10

Bearing dimensions and specification in SKF catalogue:

d - 35 mm

D - 55 mm

B - 10 mm

d₁ - 41.7 mm

d₂ - 40.2 mm

D₁ - 48.29 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 16.2 mm

d_a - min. - 38.2 mm

d_b - min. - 37 mm

D_a - max. - 51.8 mm

D_b - max. - 53 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

d_n - 43 mm

Basic dynamic load rating - C - 7.3 kN

Basic static load rating - C₀ - 4.5 kN

Fatigue load limit - P_u - 0.19 kN

Limiting speed for grease lubrication - 32000 r/min

Limiting speed for oil lubrication - 50000 mm/min

Ball - D_w - 5.556 mm

Ball - z - 19

G_ref - 0.8 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 - 66 N

Preload class B - G_B - 200 N

Preload class C - G_C - 400 N

Calculation factor - f - 1.05

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.07

Calculation factor - f_HC - 1

Preload class A - 69 N/micron

Preload class B - 104 N/micron

Preload class C - 136 N/micron

Mass bearing - 0.075 kg

Tags :  SKF , 35x55x10