S71908 ACE/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71908 ACE/HCP4A SKF:

d – 100 mm

D – 150 mm

B – 24 mm

d₁ – 115.4 mm

d₂ – 115.4 mm

D₂ – 138.17 mm

r_1,2 – min. – 1.5 mm

r_3,4 – min. – 1 mm

a – 41.3 mm

d_a – min. – 107 mm

d_a – max. – 114.8 mm

d_b – min. – 107 mm

d_b – max. – 114.8 mm

D_a – max. – 143 mm

D_b – max. – 146 mm

r_a – max. – 1.5 mm

r_b – max. – 1 mm

Basic dynamic load rating – C – 79.3 kN

Basic static load rating – C₀ – 80 kN

Fatigue load limit – P_u – 3 kN

Limiting speed for grease lubrication – 8000 r/min

Ball – D_w – 15.875 mm

Ball – z – 22

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 – 500 N

Preload class B – G_B – 1000 N

Preload class C – G_C – 2000 N

Preload class D – G_D – 4000 N

Calculation factor – f – 1.16

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.05

Calculation factor – f_2D – 1.08

Calculation factor – f_HC – 1

Preload class A – 270 N/micron

Preload class B – 355 N/micron

Preload class C – 472 N/micron

Preload class D – 640 N/micron

Mass bearing – 1.273 kg

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