71909 CE/P4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71909 CE/P4AL SKF:

d – 280 mm

D – 380 mm

B – 46 mm

d₁ – 311.8 mm

d₂ – 311.8 mm

D₁ – 348.2 mm

r_1,2 – min. – 2.1 mm

r_3,4 – min. – 1.1 mm

a – 67.4 mm

d_a – min. – 291 mm

d_b – min. – 291 mm

D_a – max. – 369 mm

D_b – max. – 374 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 319.7 mm

Basic dynamic load rating – C – 291 kN

Basic static load rating – C₀ – 455 kN

Fatigue load limit – P_u – 10.6 kN

Limiting speed for grease lubrication – 3200 r/min

Limiting speed for oil lubrication – 4800 mm/min

Ball – D_w – 30.162 mm

Ball – z – 31

G_ref – 159 cm3

Calculation factor – f₀ – 16.7

Preload class A – G_A – 1090 N

Preload class B – G_B – 2180 N

Preload class C – G_C – 4360 N

Preload class D – G_D – 8720 N

Calculation factor – f – 1.27

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.04

Calculation factor – f_2C – 1.09

Calculation factor – f_2D – 1.15

Calculation factor – f_HC – 1

Preload class A – 266 N/micron

Preload class B – 363 N/micron

Preload class C – 509 N/micron

Preload class D – 741 N/micron

Mass bearing – 12.9 kg

BẠN MUA VÒNG BI 71909 CE/P4AL SKF Ở ĐÂU?

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