71920 CB/HCP4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71920 CB/HCP4AL SKF:

d – 105 mm

D – 130 mm

B – 13 mm

d₁ – 113.2 mm

d₂ – 113.2 mm

D₁ – 122 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 34 mm

d_a – min. – 109.6 mm

d_b – min. – 109.6 mm

D_a – max. – 125.4 mm

D_b – max. – 128 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

d_n – 114.6 mm

Basic dynamic load rating – C – 21.6 kN

Basic static load rating – C₀ – 28.5 kN

Fatigue load limit – P_u – 1.1 kN

Limiting speed for grease lubrication – 9500 r/min

Limiting speed for oil lubrication – 15000 mm/min

Ball – D_w – 7.144 mm

Ball – z – 35

G_ref – 4 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 – 600 N

Preload class C – G_C – 1200 N

Calculation factor – f – 1.44

Calculation factor – f₁ – 0.97

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.09

Calculation factor – f_2C – 1.17

Calculation factor – f_HC – 1.02

Preload class A – 244 N/micron

Preload class B – 392 N/micron

Preload class C – 541 N/micron

Mass bearing – 0.289 kg

BẠN MUA VÒNG BI 71920 CB/HCP4AL 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