S7017 CB/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7017 CB/HCP4A SKF:

d – 50 mm

D – 80 mm

B – 16 mm

d₁ – 59.2 mm

d₂ – 59.2 mm

D₂ – 73.3 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 23.2 mm

d_a – min. – 54.6 mm

d_a – max. – 58.7 mm

d_b – min. – 54.6 mm

d_b – max. – 58.7 mm

D_a – max. – 75.4 mm

D_b – max. – 78 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

Basic dynamic load rating – C – 28.1 kN

Basic static load rating – C₀ – 23.2 kN

Fatigue load limit – P_u – 0.98 kN

Limiting speed for grease lubrication – 15000 r/min

Ball – D_w – 9.525 mm

Ball – z – 18

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 – 180 N

Preload class B – G_B – 360 N

Preload class C – G_C – 720 N

Preload class D – G_D – 1440 N

Calculation factor – f – 1.11

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.05

Calculation factor – f_2D – 1.08

Calculation factor – f_HC – 1

Preload class A – 141 N/micron

Preload class B – 184 N/micron

Preload class C – 244 N/micron

Preload class D – 331 N/micron

Mass bearing – 0.255 kg

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