7018 ACE/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7018 ACE/HCP4A SKF:

d – 75 mm

D – 115 mm

B – 20 mm

d₁ – 90 mm

d₂ – 88.2 mm

D₂ – 102.8 mm

b – 1.5 mm

C₁ – 10.9 mm

C₂ – 4.4 mm

C₃ – 2.9 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 22.3 mm

d_a – min. – 81 mm

d_b – min. – 81 mm

D_a – max. – 109 mm

D_b – max. – 111.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 91.1 mm

Basic dynamic load rating – C – 19.9 kN

Basic static load rating – C₀ – 17.6 kN

Fatigue load limit – P_u – 0.75 kN

Limiting speed for grease lubrication – 18000 r/min

Limiting speed for oil lubrication – 28000 mm/min

Ball – D_w – 7.938 mm

Ball – z – 30

G_ref – 7.7 cm3

Calculation factor – f₀ – 9.7

Preload class A – G_A – 65 N

Preload class B – G_B – 130 N

Preload class C – G_C – 390 N

Calculation factor – f – 1.08

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.05

Calculation factor – f_HC – 1.01

Preload class A – 56 N/micron

Preload class B – 73 N/micron

Preload class C – 115 N/micron

Mass bearing – 0.663 kg

BẠN MUA VÒNG BI 7018 ACE/HCP4A SKF Ở ĐÂU?

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