7008 ACB/HCP4A SKF

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

d – 70 mm

D – 110 mm

B – 20 mm

d₁ – 85 mm

d₂ – 83.2 mm

D₂ – 97.8 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 31.2 mm

d_a – min. – 76 mm

d_a – max. – 84.2 mm

d_b – min. – 76 mm

d_b – max. – 82.4 mm

D_a – max. – 104 mm

D_b – max. – 106.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

Basic dynamic load rating – C – 18.2 kN

Basic static load rating – C₀ – 15.6 kN

Fatigue load limit – P_u – 0.655 kN

Limiting speed for grease lubrication – 15000 r/min

Ball – D_w – 7.938 mm

Ball – z – 28

Calculation factor – e – 0.68

Calculation factor – Y₂ – 0.87

Calculation factor – Y₀ – 0.38

Calculation factor – X₂ – 0.41

Calculation factor – Y₁ – 0.92

Calculation factor – Y₂ – 1.41

Calculation factor – Y₀ – 0.76

Calculation factor – X₂ – 0.67

Preload class A – G_A – 212 N

Preload class B – G_B – 220 N

Preload class C – G_C – 660 N

Calculation factor – f – 1.07

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.01

Calculation factor – f_2C – 1.04

Calculation factor – f_HC – 1

Preload class A – 123 N/micron

Preload class B – 159 N/micron

Preload class C – 239 N/micron

Mass bearing – 0.66 kg

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

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