248/1800 CAK30FA/W20 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu 248/1800 CAK30FA/W20 SKF

d – 75 mm

D – 115 mm

B – 20 mm

d₁ – 87,3 mm

d₂ – 87,3 mm

D₁ – 102,7 mm

r_1,2 – min – 1,1 mm

r_3,4 – min – 0,6 mm

a – 32,3 mm

d_a – min – 81 mm

d_b – min – 81 mm

D_a – max – 109 mm

D_b – max – 111 mm

r_a – max – 1 mm

r_b – max – 0,6 mm

d_n – 90 mm

Basic dynamic load rating – C – 49,4 kN

Basic static load rating – C₀ – 46,5 kN

Fatigue load limit – P_u – 2 kN

Limiting speed for grease lubrication – 10.000 r/min

Limiting speed for oil lubrication – 16.000 mm/min

Ball – D_w – 12,7 mm

Ball – z – 20

G_ref – 8,4 cm3

Calculation factor – e – 0,68

Calculation factor – Y₂ – 0,87

Calculation factor – Y₀ – 0,38

Calculation factor – X₂ – 0,41

Calculation factor – Y₁ – 0,92

Calculation factor – Y₂ – 1,41

Calculation factor – Y₀ – 0,76

Calculation factor – X₂ – 0,67

Preload class A – G_A – 310 N

Preload class B – G_B – 620 N

Preload class C – G_C – 1240 N

Preload class D – G_D – 2480 N

Calculation factor – f – 1,14

Calculation factor – f₁ – 0,99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1,02

Calculation factor – f_2C – 1,05

Calculation factor – f_2D – 1,08

Calculation factor – f_HC – 1

Preload class A – 200 N/micron

Preload class B – 262 N/micron

Preload class C – 347 N/micron

Preload class D – 471 N/micron

Mass bearing – 0,628 kg

BẠN MUA VÒNG BI 248/1800 CAK30FA/W20 SKF Ở ĐÂU?

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