7018 ACD/P4AH1 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7018 ACD/P4AH1 SKF:

d – 120 mm

D – 165 mm

B – 22 mm

d₁ – 134 mm

d₂ – 130.2 mm

D₁ – 151.01 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 31 mm

d_a – min. – 126 mm

d_b – min. – 123.2 mm

D_a – max. – 159 mm

D_b – max. – 161.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 137.4 mm

Basic dynamic load rating – C – 47.5 kN

Basic static load rating – C₀ – 40.5 kN

Fatigue load limit – P_u – 1.4 kN

Limiting speed for grease lubrication – 12700 r/min

Limiting speed for oil lubrication – 19000 mm/min

Ball – D_w – 14.288 mm

Ball – z – 24

G_ref – 15 cm3

Calculation factor – f₀ – 8.5

Preload class A – G_A – 250 N

Preload class B – G_B – 760 N

Preload class C – G_C – 1530 N

Calculation factor – f – 1.18

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.05

Calculation factor – f_2C – 1.09

Calculation factor – f_HC – 1.01

Preload class A – 91 N/micron

Preload class B – 144 N/micron

Preload class C – 198 N/micron

Mass bearing – 0.928 kg

BẠN MUA VÒNG BI 7018 ACD/P4AH1 SKF Ở ĐÂU?

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