7018 CE/P4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7018 CE/P4AL SKF:

d – 50 mm

D – 65 mm

B – 7 mm

d₁ – 55.1 mm

d₂ – 55.1 mm

D₁ – 60 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.15 mm

a – 11.2 mm

d_a – min. – 52 mm

d_b – min. – 52 mm

D_a – max. – 63 mm

D_b – max. – 64.2 mm

r_a – max. – 0.3 mm

r_b – max. – 0.15 mm

d_n – 55.6 mm

Basic dynamic load rating – C – 7.4 kN

Basic static load rating – C₀ – 7.8 kN

Fatigue load limit – P_u – 0.335 kN

Limiting speed for grease lubrication – 20000 r/min

Limiting speed for oil lubrication – 30000 mm/min

Ball – D_w – 3.969 mm

Ball – z – 30

G_ref – 0.5 cm3

Calculation factor – f₀ – 17.2

Preload class A – G_A – 40 N

Preload class B – G_B – 120 N

Preload class C – G_C – 240 N

Calculation factor – f – 1.3

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.09

Calculation factor – f_2C – 1.16

Calculation factor – f_HC – 1

Preload class A – 47 N/micron

Preload class B – 81 N/micron

Preload class C – 119 N/micron

Mass bearing – 0.051 kg

BẠN MUA VÒNG BI 7018 CE/P4AL SKF Ở ĐÂU?

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