7009 ACE/HCP4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7009 ACE/HCP4AL SKF:

d – 100 mm

D – 150 mm

B – 24 mm

d₁ – 117.38 mm

d₂ – 114.2 mm

D₂ – 136 mm

r_1,2 – min. – 1.5 mm

r_3,4 – min. – 1 mm

a – 28.9 mm

d_a – min. – 107 mm

d_a – max. – 116.7 mm

d_b – min. – 107 mm

d_b – max. – 113.5 mm

D_a – max. – 143 mm

D_b – max. – 144.4 mm

r_a – max. – 1.5 mm

r_b – max. – 1 mm

Basic dynamic load rating – C – 44.9 kN

Basic static load rating – C₀ – 40 kN

Fatigue load limit – P_u – 1.5 kN

Limiting speed for grease lubrication – 14500 r/min

Ball – D_w – 12.7 mm

Ball – z – 27

Calculation factor – f₀ – 9.5

Preload class A – G_A – 240 N

Preload class B – G_B – 720 N

Preload class C – G_C – 1440 N

Calculation factor – f – 1.12

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 – 1.01

Preload class A – 97 N/micron

Preload class B – 154 N/micron

Preload class C – 212 N/micron

Mass bearing – 1.184 kg

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