S71902 ACD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71902 ACD/P4A SKF:

d – 75 mm

D – 105 mm

B – 16 mm

d₁ – 84.2 mm

d₂ – 84.2 mm

D₂ – 98.72 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 20.1 mm

d_a – min. – 79.6 mm

d_a – max. – 83.6 mm

d_b – min. – 79.6 mm

d_b – max. – 83.6 mm

D_a – max. – 100 mm

D_b – max. – 103 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

Basic dynamic load rating – C – 35.8 kN

Basic static load rating – C₀ – 37.5 kN

Fatigue load limit – P_u – 1.6 kN

Limiting speed for grease lubrication – 15000 r/min

Ball – D_w – 9.525 mm

Ball – z – 26

Calculation factor – f₀ – 16.3

Preload class A – G_A – 130 N

Preload class B – G_B – 260 N

Preload class C – G_C – 520 N

Preload class D – G_D – 1040 N

Calculation factor – f – 1.21

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 – 89 N/micron

Preload class B – 122 N/micron

Preload class C – 173 N/micron

Preload class D – 253 N/micron

Mass bearing – 0.304 kg

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