71909 CD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71909 CD/HCP4A SKF:

d – 30 mm

D – 47 mm

B – 9 mm

d₁ – 35.6 mm

d₂ – 35.6 mm

D₂ – 44.15 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.2 mm

a – 9.7 mm

d_a – min. – 32 mm

d_a – max. – 35.1 mm

d_b – min. – 32 mm

d_b – max. – 35.1 mm

D_a – max. – 45 mm

D_b – max. – 45.6 mm

r_a – max. – 0.3 mm

r_b – max. – 0.2 mm

Basic dynamic load rating – C – 7.2 kN

Basic static load rating – C₀ – 4.6 kN

Fatigue load limit – P_u – 0.193 kN

Limiting speed for grease lubrication – 30000 r/min

Ball – D_w – 4.762 mm

Ball – z – 20

Calculation factor – f₀ – 10.4

Preload class A – G_A – 25 N

Preload class B – G_B – 50 N

Preload class C – G_C – 100 N

Preload class D – G_D – 200 N

Calculation factor – f – 1.08

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.04

Calculation factor – f_2C – 1.09

Calculation factor – f_2D – 1.15

Calculation factor – f_HC – 1

Preload class A – 26 N/micron

Preload class B – 35 N/micron

Preload class C – 47 N/micron

Preload class D – 67 N/micron

Mass bearing – 0.049 kg

BẠN MUA VÒNG BI 71909 CD/HCP4A SKF Ở ĐÂU?

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