71928 CD/P4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71928 CD/P4AL SKF:

d – 45 mm

D – 58 mm

B – 7 mm

d₁ – 49.6 mm

d₂ – 49.6 mm

D₁ – 53.6 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.15 mm

a – 10.4 mm

d_a – min. – 47 mm

d_b – min. – 47 mm

D_a – max. – 56 mm

D_b – max. – 57.2 mm

r_a – max. – 0.3 mm

r_b – max. – 0.15 mm

d_n – 50 mm

Basic dynamic load rating – C – 4.9 kN

Basic static load rating – C₀ – 5.3 kN

Fatigue load limit – P_u – 0.224 kN

Limiting speed for grease lubrication – 26000 r/min

Limiting speed for oil lubrication – 40000 mm/min

Ball – D_w – 3.175 mm

Ball – z – 31

G_ref – 0.36 cm3

Calculation factor – f₀ – 17.4

Preload class A – G_A – 27 N

Preload class B – G_B – 80 N

Preload class C – G_C – 160 N

Calculation factor – f – 1.24

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.1

Calculation factor – f_2C – 1.18

Calculation factor – f_HC – 1.02

Preload class A – 42 N/micron

Preload class B – 72 N/micron

Preload class C – 106 N/micron

Mass bearing – 0.037 kg

BẠN MUA VÒNG BI 71928 CD/P4AL SKF Ở ĐÂU?

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