23072 CCK/W33 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu 23072 CCK/W33 SKF

d – 140 mm

D – 175 mm

B – 18 mm

d₁ – 151,3 mm

d₂ – 151,3 mm

D₁ – 163,71 mm

r_1,2 – min – 1,1 mm

r_3,4 – min – 0,6 mm

a – 45,8 mm

d_a – min – 146 mm

d_b – min – 146 mm

D_a – max – 169 mm

D_b – max – 171,8 mm

r_a – max – 1 mm

r_b – max – 0,6 mm

d_n – 153,2 mm

Basic dynamic load rating – C – 42,3 kN

Basic static load rating – C₀ – 58,5 kN

Fatigue load limit – P_u – 2 kN

Limiting speed for grease lubrication – 7.000 r/min

Limiting speed for oil lubrication – 11.000 mm/min

Ball – D_w – 10,319 mm

Ball – z – 35

G_ref – 9,9 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 – 380 N

Preload class B – G_B – 1140 N

Preload class C – G_C – 2280 N

Calculation factor – f – 1,43

Calculation factor – f₁ – 0,97

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1,09

Calculation factor – f_2C – 1,17

Calculation factor – f_HC – 1,02

Preload class A – 340 N/micron

Preload class B – 543 N/micron

Preload class C – 749 N/micron

Mass bearing – 0,705 kg

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