71920 CD/HCP4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71920 CD/HCP4AL SKF:

d – 105 mm

D – 160 mm

B – 26 mm

d₁ – 121.9 mm

d₂ – 121.9 mm

D₂ – 146.75 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 30.8 mm

d_a – min. – 114 mm

d_a – max. – 121.3 mm

d_b – min. – 114 mm

d_b – max. – 121.3 mm

D_a – max. – 151 mm

D_b – max. – 155 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

Basic dynamic load rating – C – 95.6 kN

Basic static load rating – C₀ – 96.5 kN

Fatigue load limit – P_u – 3.6 kN

Limiting speed for grease lubrication – 8000 r/min

Ball – D_w – 17.462 mm

Ball – z – 21

Calculation factor – f₀ – 15.7

Preload class A – G_A – 360 N

Preload class B – G_B – 720 N

Preload class C – G_C – 1440 N

Preload class D – G_D – 2880 N

Calculation factor – f – 1.15

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 – 117 N/micron

Preload class B – 159 N/micron

Preload class C – 223 N/micron

Preload class D – 324 N/micron

Mass bearing – 1.608 kg

BẠN MUA VÒNG BI 71920 CD/HCP4AL SKF Ở ĐÂU?

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