71808 CD/HCP4 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71808 CD/HCP4 SKF:

d – 9 mm

D – 24 mm

B – 7 mm

d₁ – 14.1 mm

d₂ – 14.1 mm

D₁ – 18.9 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.2 mm

a – 5.7 mm

d_a – min. – 11 mm

d_b – min. – 11 mm

D_a – max. – 22 mm

D_b – max. – 22.6 mm

r_a – max. – 0.3 mm

r_b – max. – 0.2 mm

d_n – 15.1 mm

Basic dynamic load rating – C – 3.6 kN

Basic static load rating – C₀ – 1.6 kN

Fatigue load limit – P_u – 0.068 kN

Limiting speed for grease lubrication – 80000 r/min

Limiting speed for oil lubrication – 120000 mm/min

Ball – D_w – 3.969 mm

Ball – z – 10

G_ref – 0.18 cm3

Calculation factor – f₀ – 8.8

Preload class A – G_A – 10 N

Preload class B – G_B – 20 N

Preload class C – G_C – 40 N

Preload class D – G_D – 80 N

Calculation factor – f – 1.02

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 – 11 N/micron

Preload class B – 15 N/micron

Preload class C – 20 N/micron

Preload class D – 29 N/micron

Mass bearing – 0.015 kg

BẠN MUA VÒNG BI 71808 CD/HCP4 SKF Ở ĐÂU?

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