71908 CB/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71908 CB/HCP4A SKF:

d – 70 mm

D – 110 mm

B – 20 mm

d₁ – 85 mm

d₂ – 83.2 mm

D₂ – 97.8 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 22.2 mm

d_a – min. – 76 mm

d_a – max. – 84.2 mm

d_b – min. – 76 mm

d_b – max. – 82.4 mm

D_a – max. – 104 mm

D_b – max. – 106.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

Basic dynamic load rating – C – 19 kN

Basic static load rating – C₀ – 16.3 kN

Fatigue load limit – P_u – 0.695 kN

Limiting speed for grease lubrication – 17000 r/min

Ball – D_w – 7.938 mm

Ball – z – 28

Calculation factor – f₀ – 9.6

Preload class A – G_A – 47 N

Preload class B – G_B – 130 N

Preload class C – G_C – 390 N

Calculation factor – f – 1.07

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

Preload class A – 47 N/micron

Preload class B – 63 N/micron

Preload class C – 99 N/micron

Mass bearing – 0.66 kg

BẠN MUA VÒNG BI 71908 CB/HCP4A SKF Ở ĐÂU?

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