7012 ACE/HCP4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7012 ACE/HCP4AL SKF:

d – 80 mm

D – 125 mm

B – 22 mm

d₁ – 95.83 mm

d₂ – 93 mm

D₁ – 109.17 mm

b – 2.8 mm

C₁ – 11.1 mm

C₂ – 3.8 mm

C₃ – 3.8 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 24.9 mm

d_a – min. – 86 mm

d_b – min. – 86 mm

D_a – max. – 119 mm

D_b – max. – 120.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 98.5 mm

Basic dynamic load rating – C – 33.8 kN

Basic static load rating – C₀ – 28 kN

Fatigue load limit – P_u – 1.2 kN

Limiting speed for grease lubrication – 15000 r/min

Limiting speed for oil lubrication – 24000 mm/min

Ball – D_w – 11.112 mm

Ball – z – 25

G_ref – 12 cm3

Calculation factor – f₀ – 9.4

Preload class A – G_A – 180 N

Preload class B – G_B – 550 N

Preload class C – G_C – 1090 N

Calculation factor – f – 1.1

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.03

Calculation factor – f_2C – 1.05

Calculation factor – f_HC – 1

Preload class A – 72 N/micron

Preload class B – 114 N/micron

Preload class C – 157 N/micron

Mass bearing – 0.856 kg

BẠN MUA VÒNG BI 7012 ACE/HCP4AL SKF Ở ĐÂU?

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