SKF S7004CD/P4A bearing

SKF S7004CD/P4A, Size: 20x42x12. SKF S7004CD/P4A are used in a wide variety of applications, they are simple in design, suitable for high speeds and are robust in operation, and need little maintenance.

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Description

Inventory: Enough

Delivery time: 5-7 Days

Angular contact ball bearings, super-precision S7004 CD/P4A

Bearing number : S7004 CD/P4A

Size (mm) : 20x42x12

Brand : SKF

Bore Diameter (mm) : 20

Outer Diameter (mm) : 42

Width (mm) : 12

Bearing dimensions and specification in SKF catalogue:

d - 20 mm

D - 42 mm

B - 12 mm

d₁ - 27.1 mm

d₂ - 27.1 mm

D₂ - 37 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 10.2 mm

d_a - min. - 23.2 mm

d_a - max. - 26.6 mm

d_b - min. - 23.2 mm

d_b - max. - 26.6 mm

D_a - max. - 38.8 mm

D_b - max. - 40 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

Basic dynamic load rating - C - 8.7 kN

Basic static load rating - C₀ - 4.3 kN

Fatigue load limit - P_u - 0.18 kN

Limiting speed for grease lubrication - 43000 r/min

Ball - D_w - 6.35 mm

Ball - z - 12

Calculation factor - f₀ - 9.2

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 - 1.03

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 - 23 N/micron

Preload class B - 30 N/micron

Preload class C - 42 N/micron

Preload class D - 59 N/micron

Mass bearing - 0.068 kg

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