7008 ACE/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7008 ACE/P4A SKF:

d – 17 mm

D – 40 mm

B – 12 mm

d₁ – 24.1 mm

d₂ – 24.1 mm

D₂ – 34.4 mm

r_1,2 – min. – 0.6 mm

r_3,4 – min. – 0.3 mm

a – 9.9 mm

d_a – min. – 21.2 mm

d_a – max. – 23.5 mm

d_b – min. – 21.2 mm

d_b – max. – 23.5 mm

D_a – max. – 35.8 mm

D_b – max. – 37.6 mm

r_a – max. – 0.6 mm

r_b – max. – 0.3 mm

Basic dynamic load rating – C – 9.2 kN

Basic static load rating – C₀ – 4.2 kN

Fatigue load limit – P_u – 0.176 kN

Limiting speed for grease lubrication – 43000 r/min

Ball – D_w – 7.144 mm

Ball – z – 10

Calculation factor – f₀ – 8.5

Preload class A – G_A – 35 N

Preload class B – G_B – 70 N

Preload class C – G_C – 140 N

Preload class D – G_D – 280 N

Calculation factor – f – 1.03

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.01

Calculation factor – f_2C – 1.03

Calculation factor – f_2D – 1.05

Calculation factor – f_HC – 1

Preload class A – 21 N/micron

Preload class B – 28 N/micron

Preload class C – 38 N/micron

Preload class D – 53 N/micron

Mass bearing – 0.065 kg

BẠN MUA VÒNG BI 7008 ACE/P4A SKF Ở ĐÂU?

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