7020 ACB/P4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7020 ACB/P4AL SKF:

d – 75 mm

D – 105 mm

B – 16 mm

d₁ – 84.3 mm

d₂ – 81.8 mm

D₁ – 95.52 mm

b – 2 mm

C₁ – 8.6 mm

C₂ – 2.8 mm

C₃ – 2.8 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 30.2 mm

d_a – min. – 79.6 mm

d_b – min. – 77 mm

D_a – max. – 100.4 mm

D_b – max. – 103 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

d_n – 86.5 mm

Basic dynamic load rating – C – 21.2 kN

Basic static load rating – C₀ – 16.3 kN

Fatigue load limit – P_u – 0.68 kN

Limiting speed for grease lubrication – 15500 r/min

Limiting speed for oil lubrication – 24000 mm/min

Ball – D_w – 9.525 mm

Ball – z – 23

G_ref – 4.5 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 – 192 N

Preload class B – G_B – 577 N

Preload class C – G_C – 1150 N

Calculation factor – f – 1.16

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 – 137 N/micron

Preload class B – 205 N/micron

Preload class C – 269 N/micron

Mass bearing – 0.34 kg

BẠN MUA VÒNG BI 7020 ACB/P4AL SKF Ở ĐÂU?

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