7318 BEGAPH SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc 1 dãy 7318 BEGAPH SKF:

d – 180 mm

D – 380 mm

B – 75 mm

d₁ – – 257.7 mm

d₂ – – 219.8 mm

D₁ – – 307.9 mm

a – 156 mm

r_1,2 – min. – 4 mm

r_3,4 – min. – 2 mm

d_a – min. – 197 mm

D_a – max. – 363 mm

D_b – max. – 370 mm

r_a – max. – 3 mm

r_b – max. – 2 mm

Basic dynamic load rating – C – 410 kN

Basic static load rating – C₀ – 540 kN

Fatigue load limit – P_u – 13.7 kN

Reference speed – 2000 r/min

Limiting speed – 2000 r/min

Calculation factor – k_r – 0.09

Calculation factor – k_a – 1.4

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 – 42 kg

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