7008 ACD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7008 ACD/HCP4A SKF:

d – 17 mm

D – 35 mm

B – 10 mm

d₁ – 22.6 mm

d₂ – 22.6 mm

D₁ – 29.3 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.2 mm

a – 8.5 mm

d_a – min. – 19 mm

d_b – min. – 19 mm

D_a – max. – 33 mm

D_b – max. – 33.6 mm

r_a – max. – 0.3 mm

r_b – max. – 0.2 mm

d_n – 23.7 mm

Basic dynamic load rating – C – 6.8 kN

Basic static load rating – C₀ – 3.2 kN

Fatigue load limit – P_u – 0.137 kN

Limiting speed for grease lubrication – 60000 r/min

Limiting speed for oil lubrication – 95000 mm/min

Ball – D_w – 5.556 mm

Ball – z – 12

G_ref – 0.54 cm3

Calculation factor – f₀ – 9.1

Preload class A – G_A – 25 N

Preload class B – G_B – 50 N

Preload class C – G_C – 100 N

Preload class D – G_D – 200 N

Calculation factor – f – 1.04

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 – 1.02

Preload class A – 22 N/micron

Preload class B – 29 N/micron

Preload class C – 39 N/micron

Preload class D – 55 N/micron

Mass bearing – 0.033 kg

BẠN MUA VÒNG BI 7008 ACD/HCP4A SKF Ở ĐÂU?

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