7020 ACE/HCP4AL1 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7020 ACE/HCP4AL1 SKF:

d – 40 mm

D – 52 mm

B – 7 mm

d₁ – 44.1 mm

d₂ – 44.1 mm

D₁ – 48.1 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.15 mm

a – 14.3 mm

d_a – min. – 42 mm

d_b – min. – 42 mm

D_a – max. – 50 mm

D_b – max. – 51.2 mm

r_a – max. – 0.3 mm

r_b – max. – 0.15 mm

d_n – 44.5 mm

Basic dynamic load rating – C – 4.5 kN

Basic static load rating – C₀ – 4.6 kN

Fatigue load limit – P_u – 0.196 kN

Limiting speed for grease lubrication – 22000 r/min

Limiting speed for oil lubrication – 34000 mm/min

Ball – D_w – 3.175 mm

Ball – z – 29

G_ref – 0.31 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 – 40 N

Preload class B – G_B – 120 N

Preload class C – G_C – 240 N

Calculation factor – f – 1.23

Calculation factor – f₁ – 0.97

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.08

Calculation factor – f_2C – 1.15

Calculation factor – f_HC – 1

Preload class A – 83 N/micron

Preload class B – 130 N/micron

Preload class C – 178 N/micron

Mass bearing – 0.031 kg

BẠN MUA VÒNG BI 7020 ACE/HCP4AL1 SKF Ở ĐÂU?

• Địa chỉ: 19/4B TCH 25, P. Tân Chánh Hiệp, Quận 12, Tp Hồ Chí Minh
• Hotline: 0902 698 990
• Email: info@sieuthivongbi.com