7012 CE/P4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7012 CE/P4AL SKF:

d – 45 mm

D – 68 mm

B – 12 mm

d₁ – 53.45 mm

d₂ – 52.4 mm

D₂ – 61.8 mm

r_1,2 – min. – 0.6 mm

r_3,4 – min. – 0.3 mm

a – 16.1 mm

d_a – min. – 48.2 mm

d_b – min. – 48.2 mm

D_a – max. – 64.8 mm

D_b – max. – 66 mm

r_a – max. – 0.6 mm

r_b – max. – 0.3 mm

d_n – 54.2 mm

Basic dynamic load rating – C – 7.4 kN

Basic static load rating – C₀ – 5.7 kN

Fatigue load limit – P_u – 0.245 kN

Limiting speed for grease lubrication – 28000 r/min

Limiting speed for oil lubrication – 43000 mm/min

Ball – D_w – 4.762 mm

Ball – z – 27

G_ref – 1.75 cm3

Calculation factor – f₀ – 9.7

Preload class A – G_A – 24 N

Preload class B – G_B – 48 N

Preload class C – G_C – 145 N

Calculation factor – f – 1.08

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.07

Calculation factor – f_HC – 1

Preload class A – 28 N/micron

Preload class B – 37 N/micron

Preload class C – 60 N/micron

Mass bearing – 0.132 kg

BẠN MUA VÒNG BI 7012 CE/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