71922 CD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71922 CD/HCP4A SKF:

d – 17 mm

D – 40 mm

B – 12 mm

d₁ – 24.1 mm

d₂ – 24.1 mm

D₁ – 32.8 mm

r_1,2 – min. – 0.6 mm

r_3,4 – min. – 0.3 mm

a – 12.8 mm

d_a – min. – 21.2 mm

d_b – min. – 21.2 mm

D_a – max. – 35.8 mm

D_b – max. – 37.6 mm

r_a – max. – 0.6 mm

r_b – max. – 0.3 mm

d_n – 25.9 mm

Basic dynamic load rating – C – 8.8 kN

Basic static load rating – C₀ – 4 kN

Fatigue load limit – P_u – 0.17 kN

Limiting speed for grease lubrication – 38000 r/min

Limiting speed for oil lubrication – 56000 mm/min

Ball – D_w – 7.144 mm

Ball – z – 10

G_ref – 1.005 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 – 60 N

Preload class B – G_B – 120 N

Preload class C – G_C – 240 N

Preload class D – G_D – 480 N

Calculation factor – f – 1.03

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.01

Calculation factor – f_2C – 1.02

Calculation factor – f_2D – 1.05

Calculation factor – f_HC – 1

Preload class A – 53 N/micron

Preload class B – 68 N/micron

Preload class C – 89 N/micron

Preload class D – 118 N/micron

Mass bearing – 0.063 kg

BẠN MUA VÒNG BI 71922 CD/HCP4A SKF Ở ĐÂU?

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