7019 ACE/HCP4AL1 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7019 ACE/HCP4AL1 SKF:

d – 65 mm

D – 120 mm

B – 23 mm

d₁ – 82.9 mm

d₂ – 82.9 mm

D₂ – 105.3 mm

r_1,2 – min. – 1.5 mm

r_3,4 – min. – 0.6 mm

a – 33.2 mm

d_a – min. – 74 mm

d_a – max. – 82.1 mm

d_b – min. – 74 mm

d_b – max. – 82.1 mm

D_a – max. – 111 mm

D_b – max. – 115.8 mm

r_a – max. – 1.5 mm

r_b – max. – 0.6 mm

Basic dynamic load rating – C – 63.7 kN

Basic static load rating – C₀ – 51 kN

Fatigue load limit – P_u – 2.2 kN

Limiting speed for grease lubrication – 10000 r/min

Ball – D_w – 15.875 mm

Ball – z – 15

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 – 400 N

Preload class B – G_B – 800 N

Preload class C – G_C – 1600 N

Preload class D – G_D – 3200 N

Calculation factor – f – 1.07

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.01

Calculation factor – f_2C – 1.02

Calculation factor – f_2D – 1.05

Calculation factor – f_HC – 1

Preload class A – 189 N/micron

Preload class B – 245 N/micron

Preload class C – 324 N/micron

Preload class D – 437 N/micron

Mass bearing – 1.03 kg

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