S71915 ACD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71915 ACD/HCP4A SKF:

d – 65 mm

D – 100 mm

B – 18 mm

d₁ – 77.26 mm

d₂ – 74.9 mm

D₁ – 87.72 mm

b – 1.9 mm

C₁ – 9.7 mm

C₂ – 3.3 mm

C₃ – 3.3 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 28.4 mm

d_a – min. – 71 mm

d_b – min. – 71 mm

D_a – max. – 94 mm

D_b – max. – 95.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 79.3 mm

Basic dynamic load rating – C – 19.5 kN

Basic static load rating – C₀ – 14.6 kN

Fatigue load limit – P_u – 0.62 kN

Limiting speed for grease lubrication – 20000 r/min

Limiting speed for oil lubrication – 31000 mm/min

Ball – D_w – 8.731 mm

Ball – z – 25

G_ref – 6.2 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 – 170 N

Preload class B – G_B – 520 N

Preload class C – G_C – 1040 N

Calculation factor – f – 1.09

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.03

Calculation factor – f_2C – 1.06

Calculation factor – f_HC – 1.01

Preload class A – 146 N/micron

Preload class B – 220 N/micron

Preload class C – 287 N/micron

Mass bearing – 0.392 kg

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