7028 ACD/P4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7028 ACD/P4AL SKF:

d – 120 mm

D – 180 mm

B – 28 mm

d₁ – 141.42 mm

d₂ – 137.8 mm

D₁ – 158.61 mm

b – 2.8 mm

C₁ – 15 mm

C₂ – 5.4 mm

C₃ – 5.4 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 49.3 mm

d_a – min. – 128.8 mm

d_b – min. – 128.8 mm

D_a – max. – 171.2 mm

D_b – max. – 174.4 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 144.9 mm

Basic dynamic load rating – C – 54 kN

Basic static load rating – C₀ – 52 kN

Fatigue load limit – P_u – 1.8 kN

Limiting speed for grease lubrication – 10000 r/min

Limiting speed for oil lubrication – 15500 mm/min

Ball – D_w – 14.288 mm

Ball – z – 29

G_ref – 28 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 – 490 N

Preload class B – G_B – 1480 N

Preload class C – G_C – 2950 N

Calculation factor – f – 1.12

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 – 1.01

Preload class A – 288 N/micron

Preload class B – 433 N/micron

Preload class C – 568 N/micron

Mass bearing – 1.959 kg

BẠN MUA VÒNG BI 7028 ACD/P4AL 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