248/1320 CAK30FA/W20 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu 248/1320 CAK30FA/W20 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 – 20.000 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 248/1320 CAK30FA/W20 SKF Ở ĐÂU?

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