S7024 ACD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7024 ACD/P4A SKF:

d – 10 mm

D – 30 mm

B – 9 mm

d₁ – 17.3 mm

d₂ – 17.3 mm

D₁ – 23.1 mm

r_1,2 – min. – 0.6 mm

r_3,4 – min. – 0.3 mm

a – 9.3 mm

d_a – min. – 14.2 mm

d_b – min. – 14.2 mm

D_a – max. – 25.8 mm

D_b – max. – 27.6 mm

r_a – max. – 0.6 mm

r_b – max. – 0.3 mm

d_n – 18.3 mm

Basic dynamic load rating – C – 4.4 kN

Basic static load rating – C₀ – 1.9 kN

Fatigue load limit – P_u – 0.078 kN

Limiting speed for grease lubrication – 63000 r/min

Limiting speed for oil lubrication – 95000 mm/min

Ball – D_w – 4.762 mm

Ball – z – 10

G_ref – 0.357 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 – 27 N

Preload class B – G_B – 54 N

Preload class C – G_C – 108 N

Preload class D – G_D – 216 N

Calculation factor – f – 1.02

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 – 39 N/micron

Preload class B – 50 N/micron

Preload class C – 66 N/micron

Preload class D – 87 N/micron

Mass bearing – 0.029 kg

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