S71910 CE/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71910 CE/HCP4A SKF:

d – 30 mm

D – 55 mm

B – 13 mm

d₁ – 38.2 mm

d₂ – 36.4 mm

D₁ – 45.81 mm

K – 0.5 mm

C₁ – 4.23 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.6 mm

a – 16.4 mm

d_a – min. – 34.6 mm

d_b – min. – 34.6 mm

D_a – max. – 50.4 mm

D_b – max. – 50.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 39.9 mm

Basic dynamic load rating – C – 8.8 kN

Basic static load rating – C₀ – 5 kN

Fatigue load limit – P_u – 0.212 kN

Limiting speed for grease lubrication – 35000 r/min

Limiting speed for oil lubrication – 54000 mm/min

Ball – D_w – 6.35 mm

Ball – z – 17

G_ref – 1.7 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 – 80 N

Preload class B – G_B – 240 N

Preload class C – G_C – 480 N

Calculation factor – f – 1.05

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

Preload class A – 71 N/micron

Preload class B – 105 N/micron

Preload class C – 138 N/micron

Mass bearing – 0.114 kg

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