7012 CB/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7012 CB/P4A 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 – 22.1 mm

d_a – min. – 48.2 mm

d_a – max. – 52.9 mm

d_b – min. – 48.2 mm

d_b – max. – 51.8 mm

D_a – max. – 64.8 mm

D_b – max. – 66 mm

r_a – max. – 0.6 mm

r_b – max. – 0.3 mm

Basic dynamic load rating – C – 7 kN

Basic static load rating – C₀ – 5.4 kN

Fatigue load limit – P_u – 0.232 kN

Limiting speed for grease lubrication – 24000 r/min

Ball – D_w – 4.762 mm

Ball – z – 27

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 – 41 N

Preload class B – G_B – 82 N

Preload class C – G_C – 245 N

Calculation factor – f – 1.08

Calculation factor – f₁ – 0.99

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 – 74 N/micron

Preload class B – 95 N/micron

Preload class C – 143 N/micron

Mass bearing – 0.138 kg

BẠN MUA VÒNG BI 7012 CB/P4A 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