7007 ACD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7007 ACD/P4A SKF:

d – 65 mm

D – 90 mm

B – 13 mm

d₁ – 72.7 mm

d₂ – 72.7 mm

D₁ – 82.3 mm

b – 2.2 mm

C₁ – 6.5 mm

C₂ – 3.2 mm

C₃ – 2 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 24.7 mm

d_a – min. – 69.6 mm

d_b – min. – 69.6 mm

D_a – max. – 85.4 mm

D_b – max. – 88 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

d_n – 74.7 mm

Basic dynamic load rating – C – 19.5 kN

Basic static load rating – C₀ – 16 kN

Fatigue load limit – P_u – 0.68 kN

Limiting speed for grease lubrication – 15000 r/min

Limiting speed for oil lubrication – 24000 mm/min

Ball – D_w – 7.938 mm

Ball – z – 26

G_ref – 2.85 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 – 120 N

Preload class B – G_B – 240 N

Preload class C – G_C – 480 N

Preload class D – G_D – 960 N

Calculation factor – f – 1.2

Calculation factor – f₁ – 0.98

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.07

Calculation factor – f_2C – 1.12

Calculation factor – f_2D – 1.17

Calculation factor – f_HC – 1.04

Preload class A – 151 N/micron

Preload class B – 196 N/micron

Preload class C – 257 N/micron

Preload class D – 345 N/micron

Mass bearing – 0.174 kg

BẠN MUA VÒNG BI 7007 ACD/P4A SKF Ở ĐÂU?

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