S71920 CB/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71920 CB/P4A SKF:

d – 140 mm

D – 210 mm

B – 33 mm

d₁ – 161.6 mm

d₂ – 161.6 mm

D₂ – 193.1 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 40.1 mm

d_a – min. – 149 mm

d_a – max. – 161 mm

d_b – min. – 149 mm

d_b – max. – 161 mm

D_a – max. – 201 mm

D_b – max. – 205 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

Basic dynamic load rating – C – 153 kN

Basic static load rating – C₀ – 166 kN

Fatigue load limit – P_u – 5.3 kN

Limiting speed for grease lubrication – 7500 r/min

Ball – D_w – 22.225 mm

Ball – z – 22

Calculation factor – f₀ – 15.8

Preload class A – G_A – 570 N

Preload class B – G_B – 1140 N

Preload class C – G_C – 2280 N

Preload class D – G_D – 4560 N

Calculation factor – f – 1.16

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.05

Calculation factor – f_2D – 1.09

Calculation factor – f_HC – 1.02

Preload class A – 168 N/micron

Preload class B – 228 N/micron

Preload class C – 320 N/micron

Preload class D – 464 N/micron

Mass bearing – 2.85 kg

BẠN MUA VÒNG BI S71920 CB/P4A SKF Ở ĐÂU?

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