7012 CD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7012 CD/P4A SKF:

d – 120 mm

D – 150 mm

B – 16 mm

d₁ – 129.8 mm

d₂ – 129.8 mm

D₁ – 140.6 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 39.5 mm

d_a – min. – 124.6 mm

d_b – min. – 124.6 mm

D_a – max. – 145.4 mm

D_b – max. – 148 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

d_n – 130.9 mm

Basic dynamic load rating – C – 31.2 kN

Basic static load rating – C₀ – 42.5 kN

Fatigue load limit – P_u – 1.5 kN

Limiting speed for grease lubrication – 6700 r/min

Limiting speed for oil lubrication – 11000 mm/min

Ball – D_w – 8.731 mm

Ball – z – 35

G_ref – 5.5 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 – 280 N

Preload class B – G_B – 850 N

Preload class C – G_C – 1700 N

Calculation factor – f – 1.41

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 – 262 N/micron

Preload class B – 417 N/micron

Preload class C – 576 N/micron

Mass bearing – 0.55 kg

BẠN MUA VÒNG BI 7012 CD/P4A SKF Ở ĐÂU?

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