7009 CD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7009 CD/P4A SKF:

d – 70 mm

D – 100 mm

B – 16 mm

d₁ – 79.2 mm

d₂ – 79.2 mm

D₁ – 90.8 mm

b – 2 mm

C₁ – 8.6 mm

C₂ – 3.5 mm

C₃ – 2.8 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 19.4 mm

d_a – min. – 74.6 mm

d_b – min. – 74.6 mm

D_a – max. – 95.4 mm

D_b – max. – 98 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

d_n – 81.7 mm

Basic dynamic load rating – C – 34.5 kN

Basic static load rating – C₀ – 34 kN

Fatigue load limit – P_u – 1.4 kN

Limiting speed for grease lubrication – 13000 r/min

Limiting speed for oil lubrication – 20000 mm/min

Ball – D_w – 9.525 mm

Ball – z – 24

G_ref – 4.5 cm3

Calculation factor – f₀ – 16.2

Preload class A – G_A – 130 N

Preload class B – G_B – 260 N

Preload class C – G_C – 520 N

Preload class D – G_D – 1040 N

Calculation factor – f – 1.19

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.04

Calculation factor – f_2C – 1.09

Calculation factor – f_2D – 1.15

Calculation factor – f_HC – 1

Preload class A – 76 N/micron

Preload class B – 104 N/micron

Preload class C – 147 N/micron

Preload class D – 215 N/micron

Mass bearing – 0.33 kg

BẠN MUA VÒNG BI 7009 CD/P4A SKF Ở ĐÂU?

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