248/1120 CAK30FA/W20 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu 248/1120 CAK30FA/W20 SKF

d – 95 mm

D – 170 mm

B – 32 mm

d₁ – 118,1 mm

d₂ – 118,1 mm

D₁ – 146,9 mm

r_1,2 – min – 2,1 mm

r_3,4 – min – 1,1 mm

a – 33,9 mm

d_a – min – 107 mm

d_b – min – 107 mm

D_a – max – 158 mm

D_b – max – 163 mm

r_a – max – 2 mm

r_b – max – 1 mm

d_n – 124,4 mm

Basic dynamic load rating – C – 138 kN

Basic static load rating – C₀ – 120 kN

Fatigue load limit – P_u – 4,4 kN

Limiting speed for grease lubrication – 8.000 r/min

Limiting speed for oil lubrication – 13.000 mm/min

Ball – D_w – 23,812 mm

Ball – z – 15

G_ref – 34,314 cm3

Calculation factor – f₀ – 14,6

Preload class A – G_A – 520 N

Preload class B – G_B – 1040 N

Preload class C – G_C – 2080 N

Preload class D – G_D – 4160 N

Calculation factor – f – 1,09

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1,01

Calculation factor – f_2C – 1,03

Calculation factor – f_2D – 1,05

Calculation factor – f_HC – 1

Preload class A – 115 N/micron

Preload class B – 156 N/micron

Preload class C – 217 N/micron

Preload class D – 313 N/micron

Mass bearing – 2,702 kg

BẠN MUA VÒNG BI 248/1120 CAK30FA/W20 SKF Ở ĐÂU?

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