71912 CD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71912 CD/P4A SKF:

d – 110 mm

D – 170 mm

B – 28 mm

d₁ – 128.5 mm

d₂ – 128.5 mm

D₁ – 151.5 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 46.8 mm

d_a – min. – 119 mm

d_b – min. – 119 mm

D_a – max. – 161 mm

D_b – max. – 165 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 132.6 mm

Basic dynamic load rating – C – 104 kN

Basic static load rating – C₀ – 104 kN

Fatigue load limit – P_u – 3.8 kN

Limiting speed for grease lubrication – 7000 r/min

Limiting speed for oil lubrication – 11000 mm/min

Ball – D_w – 19.05 mm

Ball – z – 20

G_ref – 25.5 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 – 650 N

Preload class B – G_B – 1300 N

Preload class C – G_C – 2600 N

Preload class D – G_D – 5200 N

Calculation factor – f – 1.14

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.05

Calculation factor – f_2D – 1.08

Calculation factor – f_HC – 1

Preload class A – 290 N/micron

Preload class B – 379 N/micron

Preload class C – 503 N/micron

Preload class D – 681 N/micron

Mass bearing – 1.973 kg

BẠN MUA VÒNG BI 71912 CD/P4A SKF Ở ĐÂU?

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