7020 ACD/HCP4A SKF

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

d – 70 mm

D – 110 mm

B – 20 mm

d₁ – 84.3 mm

d₂ – 81.6 mm

D₁ – 95.32 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_b – min. – 76 mm

D_a – max. – 104 mm

D_b – max. – 105.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 86.5 mm

Basic dynamic load rating – C – 22.5 kN

Basic static load rating – C₀ – 17.3 kN

Fatigue load limit – P_u – 0.735 kN

Limiting speed for grease lubrication – 15500 r/min

Limiting speed for oil lubrication – 24000 mm/min

Ball – D_w – 9.525 mm

Ball – z – 25

G_ref – 8.2 cm3

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 – 200 N

Preload class B – G_B – 610 N

Preload class C – G_C – 1220 N

Calculation factor – f – 1.09

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.03

Calculation factor – f_2C – 1.06

Calculation factor – f_HC – 1

Preload class A – 143 N/micron

Preload class B – 215 N/micron

Preload class C – 280 N/micron

Mass bearing – 0.61 kg

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

• Địa chỉ: 19/4B TCH 25, P. Tân Chánh Hiệp, Quận 12, Tp Hồ Chí Minh
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• Email: info@sieuthivongbi.com