7020 CD/HCP4AH1 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7020 CD/HCP4AH1 SKF:

d – 95 mm

D – 170 mm

B – 32 mm

d₁ – 118.1 mm

d₂ – 118.1 mm

D₁ – 146.9 mm

r_1,2 – min. – 2.1 mm

r_3,4 – min. – 1.1 mm

a – 33.9 mm

d_a – min. – 107 mm

d_b – min. – 107 mm

D_a – max. – 158 mm

D_b – max. – 163 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 124.4 mm

Basic dynamic load rating – C – 138 kN

Basic static load rating – C₀ – 120 kN

Fatigue load limit – P_u – 4.4 kN

Limiting speed for grease lubrication – 8000 r/min

Limiting speed for oil lubrication – 13000 mm/min

Ball – D_w – 23.812 mm

Ball – z – 15

G_ref – 34.314 cm3

Calculation factor – f₀ – 14.6

Preload class A – G_A – 520 N

Preload class B – G_B – 1040 N

Preload class C – G_C – 2080 N

Preload class D – G_D – 4160 N

Calculation factor – f – 1.09

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.01

Calculation factor – f_2C – 1.03

Calculation factor – f_2D – 1.05

Calculation factor – f_HC – 1

Preload class A – 115 N/micron

Preload class B – 156 N/micron

Preload class C – 217 N/micron

Preload class D – 313 N/micron

Mass bearing – 2.702 kg

BẠN MUA VÒNG BI 7020 CD/HCP4AH1 SKF Ở ĐÂU?

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