7019 CD/HCP4AH1 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7019 CD/HCP4AH1 SKF:

d – 55 mm

D – 80 mm

B – 13 mm

d₁ – 63.94 mm

d₂ – 62.7 mm

D₂ – 73.2 mm

b – 2 mm

C₁ – 6.5 mm

C₂ – 3.8 mm

C₃ – 1.7 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 26 mm

d_a – min. – 59.6 mm

d_b – min. – 59.6 mm

D_a – max. – 75.4 mm

D_b – max. – 78 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

d_n – 64.8 mm

Basic dynamic load rating – C – 9.4 kN

Basic static load rating – C₀ – 7.6 kN

Fatigue load limit – P_u – 0.325 kN

Limiting speed for grease lubrication – 20000 r/min

Limiting speed for oil lubrication – 32000 mm/min

Ball – D_w – 5.556 mm

Ball – z – 28

G_ref – 2.58 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 – 55 N

Preload class B – G_B – 110 N

Preload class C – G_C – 330 N

Calculation factor – f – 1.09

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 – 88 N/micron

Preload class B – 114 N/micron

Preload class C – 172 N/micron

Mass bearing – 0.182 kg

BẠN MUA VÒNG BI 7019 CD/HCP4AH1 SKF Ở ĐÂU?

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