7012 ACE/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7012 ACE/HCP4A SKF:

d – 55 mm

D – 72 mm

B – 9 mm

d₁ – 60.7 mm

d₂ – 60.7 mm

D₁ – 66.5 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.15 mm

a – 13 mm

d_a – min. – 57 mm

d_b – min. – 57 mm

D_a – max. – 70 mm

D_b – max. – 71.2 mm

r_a – max. – 0.3 mm

r_b – max. – 0.15 mm

d_n – 61.3 mm

Basic dynamic load rating – C – 10.1 kN

Basic static load rating – C₀ – 10.8 kN

Fatigue load limit – P_u – 0.455 kN

Limiting speed for grease lubrication – 22000 r/min

Limiting speed for oil lubrication – 32000 mm/min

Ball – D_w – 4.762 mm

Ball – z – 29

G_ref – 0.88 cm3

Calculation factor – f₀ – 17.1

Preload class A – G_A – 55 N

Preload class B – G_B – 165 N

Preload class C – G_C – 330 N

Calculation factor – f – 1.27

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.1

Calculation factor – f_2C – 1.18

Calculation factor – f_HC – 1.02

Preload class A – 59 N/micron

Preload class B – 101 N/micron

Preload class C – 150 N/micron

Mass bearing – 0.073 kg

BẠN MUA VÒNG BI 7012 ACE/HCP4A SKF Ở ĐÂU?

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