71912 ACE/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71912 ACE/P4A SKF:

d – 65 mm

D – 100 mm

B – 18 mm

d₁ – 75.8 mm

d₂ – 75.8 mm

D₁ – 89.2 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 20.1 mm

d_a – min. – 71 mm

d_b – min. – 71 mm

D_a – max. – 94 mm

D_b – max. – 96.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 78.1 mm

Basic dynamic load rating – C – 41.6 kN

Basic static load rating – C₀ – 37.5 kN

Fatigue load limit – P_u – 1.6 kN

Limiting speed for grease lubrication – 16000 r/min

Limiting speed for oil lubrication – 24000 mm/min

Ball – D_w – 11.112 mm

Ball – z – 20

G_ref – 5.7 cm3

Calculation factor – f₀ – 15.6

Preload class A – G_A – 160 N

Preload class B – G_B – 320 N

Preload class C – G_C – 640 N

Preload class D – G_D – 1280 N

Calculation factor – f – 1.13

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 – 82 N/micron

Preload class B – 112 N/micron

Preload class C – 158 N/micron

Preload class D – 230 N/micron

Mass bearing – 0.361 kg

BẠN MUA VÒNG BI 71912 ACE/P4A SKF Ở ĐÂU?

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