7208 CD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7208 CD/P4A SKF:

d – 80 mm

D – 110 mm

B – 16 mm

d₁ – 89.3 mm

d₂ – 86.8 mm

D₂ – 103.6 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 21.7 mm

d_a – min. – 84.6 mm

d_a – max. – 88.7 mm

d_b – min. – 82 mm

d_b – max. – 86.2 mm

D_a – max. – 105.4 mm

D_b – max. – 108 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

Basic dynamic load rating – C – 22.5 kN

Basic static load rating – C₀ – 18 kN

Fatigue load limit – P_u – 0.75 kN

Limiting speed for grease lubrication – 19000 r/min

Ball – D_w – 9.525 mm

Ball – z – 24

Calculation factor – f₀ – 8.6

Preload class A – G_A – 123 N

Preload class B – G_B – 370 N

Preload class C – G_C – 740 N

Calculation factor – f – 1.19

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.05

Calculation factor – f_2C – 1.09

Calculation factor – f_HC – 1.01

Preload class A – 62 N/micron

Preload class B – 99 N/micron

Preload class C – 136 N/micron

Mass bearing – 0.31 kg

BẠN MUA VÒNG BI 7208 CD/P4A SKF Ở ĐÂU?

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