S71902 ACD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71902 ACD/HCP4A SKF:

d – 140 mm

D – 210 mm

B – 33 mm

d₁ – 161.6 mm

d₂ – 161.6 mm

D₁ – 188.4 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 57.5 mm

d_a – min. – 149 mm

d_b – min. – 149 mm

D_a – max. – 201 mm

D_b – max. – 205 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 166.3 mm

Basic dynamic load rating – C – 146 kN

Basic static load rating – C₀ – 156 kN

Fatigue load limit – P_u – 5.1 kN

Limiting speed for grease lubrication – 5600 r/min

Limiting speed for oil lubrication – 8500 mm/min

Ball – D_w – 22.225 mm

Ball – z – 22

G_ref – 45 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 – 900 N

Preload class B – G_B – 1800 N

Preload class C – G_C – 3600 N

Preload class D – G_D – 7200 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 – 364 N/micron

Preload class B – 477 N/micron

Preload class C – 633 N/micron

Preload class D – 856 N/micron

Mass bearing – 3.421 kg

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