7203 CD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7203 CD/HCP4A SKF:

d – 110 mm

D – 170 mm

B – 28 mm

d₁ – 132.38 mm

d₂ – 129.2 mm

D₁ – 147.61 mm

b – 2.6 mm

C₁ – 15.1 mm

C₂ – 5.4 mm

C₃ – 5.4 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 32.9 mm

d_a – min. – 118.8 mm

d_b – min. – 118.8 mm

D_a – max. – 161.2 mm

D_b – max. – 164.4 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 135.4 mm

Basic dynamic load rating – C – 47.5 kN

Basic static load rating – C₀ – 45 kN

Fatigue load limit – P_u – 1.6 kN

Limiting speed for grease lubrication – 12700 r/min

Limiting speed for oil lubrication – 20000 mm/min

Ball – D_w – 12.7 mm

Ball – z – 30

G_ref – 23 cm3

Calculation factor – f₀ – 9.6

Preload class A – G_A – 250 N

Preload class B – G_B – 760 N

Preload class C – G_C – 1520 N

Calculation factor – f – 1.1

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.03

Calculation factor – f_2C – 1.05

Calculation factor – f_HC – 1.01

Preload class A – 104 N/micron

Preload class B – 165 N/micron

Preload class C – 226 N/micron

Mass bearing – 1.932 kg

BẠN MUA VÒNG BI 7203 CD/HCP4A SKF Ở ĐÂU?

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