7020 CE/HCP4AL1 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7020 CE/HCP4AL1 SKF:

d – 12 mm

D – 24 mm

B – 6 mm

d₁ – 16 mm

d₂ – 16 mm

D₂ – 21.8 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.2 mm

a – 5.4 mm

d_a – min. – 14 mm

d_a – max. – 15.6 mm

d_b – min. – 14 mm

d_b – max. – 15.6 mm

D_a – max. – 22 mm

D_b – max. – 22.6 mm

r_a – max. – 0.3 mm

r_b – max. – 0.2 mm

Basic dynamic load rating – C – 2.6 kN

Basic static load rating – C₀ – 1.2 kN

Fatigue load limit – P_u – 0.053 kN

Limiting speed for grease lubrication – 75000 r/min

Ball – D_w – 3.175 mm

Ball – z – 13

Calculation factor – f₀ – 9.8

Preload class A – G_A – 10 N

Preload class B – G_B – 20 N

Preload class C – G_C – 40 N

Preload class D – G_D – 80 N

Calculation factor – f – 1.04

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.07

Calculation factor – f_2C – 1.12

Calculation factor – f_2D – 1.18

Calculation factor – f_HC – 1.04

Preload class A – 14 N/micron

Preload class B – 19 N/micron

Preload class C – 26 N/micron

Preload class D – 37 N/micron

Mass bearing – 0.01 kg

BẠN MUA VÒNG BI 7020 CE/HCP4AL1 SKF Ở ĐÂU?

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