71819 ACD/P4 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71819 ACD/P4 SKF:

d – 180 mm

D – 250 mm

B – 33 mm

d₁ – 201.6 mm

d₂ – 201.6 mm

D₁ – 228.4 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 45.4 mm

d_a – min. – 189 mm

d_b – min. – 189 mm

D_a – max. – 241 mm

D_b – max. – 245 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 207.4 mm

Basic dynamic load rating – C – 168 kN

Basic static load rating – C₀ – 212 kN

Fatigue load limit – P_u – 6.1 kN

Limiting speed for grease lubrication – 6700 r/min

Limiting speed for oil lubrication – 9500 mm/min

Ball – D_w – 22.225 mm

Ball – z – 27

G_ref – 54 cm3

Calculation factor – f₀ – 16.3

Preload class A – G_A – 630 N

Preload class B – G_B – 1260 N

Preload class C – G_C – 2520 N

Preload class D – G_D – 5040 N

Calculation factor – f – 1.25

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.07

Calculation factor – f_2C – 1.12

Calculation factor – f_2D – 1.18

Calculation factor – f_HC – 1.04

Preload class A – 203 N/micron

Preload class B – 278 N/micron

Preload class C – 392 N/micron

Preload class D – 573 N/micron

Mass bearing – 3.479 kg

BẠN MUA VÒNG BI 71819 ACD/P4 SKF Ở ĐÂU?

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