S7007 ACD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7007 ACD/HCP4A SKF:

d – 160 mm

D – 220 mm

B – 28 mm

d₁ – 178.5 mm

d₂ – 178.5 mm

D₁ – 201.5 mm

b – 2.6 mm

C₁ – 15.6 mm

C₂ – 6.6 mm

C₃ – 5.6 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 58.5 mm

d_a – min. – 169 mm

d_b – min. – 169 mm

D_a – max. – 211 mm

D_b – max. – 215 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 183.5 mm

Basic dynamic load rating – C – 124 kN

Basic static load rating – C₀ – 153 kN

Fatigue load limit – P_u – 4.8 kN

Limiting speed for grease lubrication – 5300 r/min

Limiting speed for oil lubrication – 8000 mm/min

Ball – D_w – 19.05 mm

Ball – z – 28

G_ref – 33 cm3

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 – 800 N

Preload class B – G_B – 1600 N

Preload class C – G_C – 3200 N

Preload class D – G_D – 6400 N

Calculation factor – f – 1.27

Calculation factor – f₁ – 0.98

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.04

Calculation factor – f_2C – 1.08

Calculation factor – f_2D – 1.14

Calculation factor – f_HC – 1

Preload class A – 402 N/micron

Preload class B – 530 N/micron

Preload class C – 710 N/micron

Preload class D – 970 N/micron

Mass bearing – 2.7 kg

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