7220 BECBP SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc 1 dãy 7220 BECBP SKF:

d – 500 mm

D – 670 mm

B – 78 mm

d₁ – – 557 mm

D₁ – – 616.3 mm

a – 208 mm

r_1,2 – min. – 5 mm

r_3,4 – min. – 2 mm

d_a – min. – 518 mm

D_a – max. – 652 mm

D_b – max. – 661 mm

r_a – max. – 4 mm

r_b – max. – 2 mm

Basic dynamic load rating – C – 553 kN

Basic static load rating – C₀ – 1220 kN

Fatigue load limit – P_u – 21.2 kN

Reference speed – 950 r/min

Limiting speed – 1000 r/min

Calculation factor – k_r – 0.083

Calculation factor – k_a – 0.4

Calculation factor – e – 0.8

Calculation factor – X – 0.63

Calculation factor – Y₀ – 0.66

Calculation factor – Y₁ – 0.78

Calculation factor – Y₂ – 1.24

Calculation factor – X – 0.39

Calculation factor – Y₀ – 0.33

Calculation factor – Y₁ –

Calculation factor – Y₂ – 0.76

Mass bearing – 78 kg

BẠN MUA VÒNG BI 7220 BECBP SKF Ở ĐÂU?

• Địa chỉ: 19/4B TCH 25, P. Tân Chánh Hiệp, Quận 12, Tp Hồ Chí Minh
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• Email: info@sieuthivongbi.com