7020 CE/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7020 CE/P4A SKF:

d – 160 mm

D – 200 mm

B – 20 mm

d₁ – 173.35 mm

d₂ – 173.35 mm

D₁ – 186.7 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 34.2 mm

d_a – min. – 166 mm

d_b – min. – 166 mm

D_a – max. – 194 mm

D_b – max. – 196.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 175.6 mm

Basic dynamic load rating – C – 54 kN

Basic static load rating – C₀ – 78 kN

Fatigue load limit – P_u – 2.5 kN

Limiting speed for grease lubrication – 5600 r/min

Limiting speed for oil lubrication – 8500 mm/min

Ball – D_w – 11.112 mm

Ball – z – 38

G_ref – 14 cm3

Calculation factor – f₀ – 17.4

Preload class A – G_A – 280 N

Preload class B – G_B – 850 N

Preload class C – G_C – 1700 N

Calculation factor – f – 1.42

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.09

Calculation factor – f_2C – 1.16

Calculation factor – f_HC – 1

Preload class A – 147 N/micron

Preload class B – 256 N/micron

Preload class C – 379 N/micron

Mass bearing – 1.233 kg

BẠN MUA VÒNG BI 7020 CE/P4A SKF Ở ĐÂU?

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