S71913 CD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71913 CD/P4A SKF:

d – 30 mm

D – 55 mm

B – 13 mm

d₁ – 37.7 mm

d₂ – 37.7 mm

D₂ – 49.57 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 12.3 mm

d_a – min. – 34.6 mm

d_a – max. – 37.2 mm

d_b – min. – 34.6 mm

d_b – max. – 37.2 mm

D_a – max. – 50.4 mm

D_b – max. – 53 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

Basic dynamic load rating – C – 14.3 kN

Basic static load rating – C₀ – 8 kN

Fatigue load limit – P_u – 0.34 kN

Limiting speed for grease lubrication – 32000 r/min

Ball – D_w – 7.938 mm

Ball – z – 14

Calculation factor – f₀ – 9.4

Preload class A – G_A – 50 N

Preload class B – G_B – 100 N

Preload class C – G_C – 200 N

Preload class D – G_D – 400 N

Calculation factor – f – 1.06

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

Preload class A – 30 N/micron

Preload class B – 40 N/micron

Preload class C – 55 N/micron

Preload class D – 77 N/micron

Mass bearing – 0.113 kg

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