S71910 CB/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71910 CB/P4A SKF:

d – 55 mm

D – 100 mm

B – 21 mm

d₁ – 68.9 mm

d₂ – 68.9 mm

D₂ – 89.1 mm

r_1,2 – min. – 1.5 mm

r_3,4 – min. – 0.6 mm

a – 28.7 mm

d_a – min. – 64 mm

d_a – max. – 68.1 mm

d_b – min. – 64 mm

d_b – max. – 68.1 mm

D_a – max. – 91 mm

D_b – max. – 95.8 mm

r_a – max. – 1.5 mm

r_b – max. – 0.6 mm

Basic dynamic load rating – C – 52.7 kN

Basic static load rating – C₀ – 40.5 kN

Fatigue load limit – P_u – 1.7 kN

Limiting speed for grease lubrication – 13000 r/min

Ball – D_w – 14.288 mm

Ball – z – 15

Calculation factor – e – 0.68

Calculation factor – Y₂ – 0.87

Calculation factor – Y₀ – 0.38

Calculation factor – X₂ – 0.41

Calculation factor – Y₁ – 0.92

Calculation factor – Y₂ – 1.41

Calculation factor – Y₀ – 0.76

Calculation factor – X₂ – 0.67

Preload class A – G_A – 330 N

Preload class B – G_B – 660 N

Preload class C – G_C – 1320 N

Preload class D – G_D – 2640 N

Calculation factor – f – 1.08

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.01

Calculation factor – f_2C – 1.02

Calculation factor – f_2D – 1.05

Calculation factor – f_HC – 1

Preload class A – 172 N/micron

Preload class B – 224 N/micron

Preload class C – 296 N/micron

Preload class D – 399 N/micron

Mass bearing – 0.623 kg

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