7020 ACE/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7020 ACE/HCP4A SKF:

d – 55 mm

D – 80 mm

B – 13 mm

d₁ – 62.75 mm

d₂ – 60.7 mm

D₂ – 74.7 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 23.5 mm

d_a – min. – 59.6 mm

d_a – max. – 62.2 mm

d_b – min. – 57 mm

d_b – max. – 60.1 mm

D_a – max. – 75.4 mm

D_b – max. – 78 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

Basic dynamic load rating – C – 14.6 kN

Basic static load rating – C₀ – 10.2 kN

Fatigue load limit – P_u – 0.43 kN

Limiting speed for grease lubrication – 25000 r/min

Ball – D_w – 7.938 mm

Ball – z – 21

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 – 133 N

Preload class B – G_B – 400 N

Preload class C – G_C – 800 N

Calculation factor – f – 1.16

Calculation factor – f₁ – 0.98

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.04

Calculation factor – f_2C – 1.08

Calculation factor – f_HC – 1.01

Preload class A – 116 N/micron

Preload class B – 178 N/micron

Preload class C – 233 N/micron

Mass bearing – 0.147 kg

BẠN MUA VÒNG BI 7020 ACE/HCP4A SKF Ở ĐÂU?

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