S71910 ACE/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71910 ACE/HCP4A SKF:

d – 110 mm

D – 170 mm

B – 28 mm

d₁ – 128.5 mm

d₂ – 128.5 mm

D₁ – 151.5 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 32.9 mm

d_a – min. – 119 mm

d_b – min. – 119 mm

D_a – max. – 161 mm

D_b – max. – 165 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 132.6 mm

Basic dynamic load rating – C – 111 kN

Basic static load rating – C₀ – 108 kN

Fatigue load limit – P_u – 3.9 kN

Limiting speed for grease lubrication – 9500 r/min

Limiting speed for oil lubrication – 14000 mm/min

Ball – D_w – 19.05 mm

Ball – z – 20

G_ref – 25.5 cm3

Calculation factor – f₀ – 15.5

Preload class A – G_A – 420 N

Preload class B – G_B – 840 N

Preload class C – G_C – 1680 N

Preload class D – G_D – 3360 N

Calculation factor – f – 1.14

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 – 135 N/micron

Preload class B – 184 N/micron

Preload class C – 258 N/micron

Preload class D – 374 N/micron

Mass bearing – 1.633 kg

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