S7012 CE/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7012 CE/P4A SKF:

d – 90 mm

D – 160 mm

B – 30 mm

d₁ – 111.6 mm

d₂ – 111.6 mm

D₁ – 138.4 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 44.3 mm

d_a – min. – 101 mm

d_b – min. – 101 mm

D_a – max. – 149 mm

D_b – max. – 154.4 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 117.5 mm

Basic dynamic load rating – C – 121 kN

Basic static load rating – C₀ – 106 kN

Fatigue load limit – P_u – 4 kN

Limiting speed for grease lubrication – 9000 r/min

Limiting speed for oil lubrication – 15000 mm/min

Ball – D_w – 22.225 mm

Ball – z – 16

G_ref – 27.765 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 – 750 N

Preload class B – G_B – 1500 N

Preload class C – G_C – 3000 N

Preload class D – G_D – 6000 N

Calculation factor – f – 1.09

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.01

Calculation factor – f_2C – 1.03

Calculation factor – f_2D – 1.06

Calculation factor – f_HC – 1.01

Preload class A – 303 N/micron

Preload class B – 395 N/micron

Preload class C – 521 N/micron

Preload class D – 702 N/micron

Mass bearing – 1.834 kg

BẠN MUA VÒNG BI S7012 CE/P4A SKF Ở ĐÂU?

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