71908 CB/P4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71908 CB/P4AL SKF:

d – 300 mm

D – 420 mm

B – 56 mm

d₁ – 337 mm

d₂ – 337 mm

D₁ – 383 mm

r_1,2 – min. – 3 mm

r_3,4 – min. – 1.1 mm

a – 76.4 mm

d_a – min. – 313 mm

d_b – min. – 313 mm

D_a – max. – 405 mm

D_b – max. – 414 mm

r_a – max. – 2.5 mm

r_b – max. – 1 mm

d_n – 347 mm

Basic dynamic load rating – C – 371 kN

Basic static load rating – C₀ – 600 kN

Fatigue load limit – P_u – 13.4 kN

Limiting speed for grease lubrication – 3800 r/min

Limiting speed for oil lubrication – 5300 mm/min

Ball – D_w – 38.1 mm

Ball – z – 26

G_ref – 265 cm3

Calculation factor – f₀ – 16.3

Preload class A – G_A – 1400 N

Preload class B – G_B – 2800 N

Preload class C – G_C – 5600 N

Preload class D – G_D – 11200 N

Calculation factor – f – 1.22

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 – 302 N/micron

Preload class B – 409 N/micron

Preload class C – 570 N/micron

Preload class D – 822 N/micron

Mass bearing – 19.4 kg

BẠN MUA VÒNG BI 71908 CB/P4AL SKF Ở ĐÂU?

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