KR 72 XB SKF

Kích thước và Thông số kỹ thuật của Theo dõi Vòng bi CAM KR 72 XB SKF:

d – 55 mm

D – 72 mm

B – 9 mm

d₁ – 60,7 mm

d₂ – 60,7 mm

D₁ – 66,5 mm

r_1,2 – min – 0,3 mm

r_3,4 – min – 0,15 mm

a – 19,3 mm

d_a – min – 57 mm

d_b – min – 57 mm

D_a – max – 70 mm

D_b – max – 71,2 mm

r_a – max – 0,3 mm

r_b – max – 0,15 mm

d_n – 61,3 mm

Basic dynamic load rating – C – 9,6 kN

Basic static load rating – C₀ – 10,2 kN

Fatigue load limit – P_u – 0,43 kN

Limiting speed for grease lubrication – 19.000 r/min

Limiting speed for oil lubrication – 30.000 mm/min

Ball – D_w – 4,762 mm

Ball – z – 29

G_ref – 0,88 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 – 87 N

Preload class B – G_B – 260 N

Preload class C – G_C – 520 N

Calculation factor – f – 1,27

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 – 138 N/micron

Preload class B – 217 N/micron

Preload class C – 298 N/micron

Khối lượng – 0,073 kg

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