7208 BEGBY SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc 1 dãy 7208 BEGBY SKF:

d – 220 mm

D – 340 mm

B – 56 mm

d₁ – – 267.2 mm

d₂ – – 245.75 mm

D₁ – – 295.85 mm

a – 145 mm

r_1,2 – min. – 3 mm

r_3,4 – min. – 1.1 mm

d_a – min. – 234 mm

D_a – max. – 326 mm

D_b – max. – 333 mm

r_a – max. – 2.5 mm

r_b – max. – 1.1 mm

Basic dynamic load rating – C – 255 kN

Basic static load rating – C₀ – 355 kN

Fatigue load limit – P_u – 9 kN

Reference speed – 2000 r/min

Limiting speed – 2000 r/min

Calculation factor – k_r – 0.083

Calculation factor – k_a – 0.9

Calculation factor – e – 1.14

Calculation factor – X – 0.57

Calculation factor – Y₀ – 0.52

Calculation factor – Y₁ – 0.55

Calculation factor – Y₂ – 0.93

Calculation factor – X – 0.35

Calculation factor – Y₀ – 0.26

Calculation factor – Y₁ –

Calculation factor – Y₂ – 0.57

Mass bearing – 18 kg

BẠN MUA VÒNG BI 7208 BEGBY SKF Ở ĐÂU?

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