249/950 CA/W33 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu 249/950 CA/W33 SKF

d – 45 mm

D – 85 mm

B – 19 mm

d₁ – 57,3 mm

d₂ – 57,3 mm

D₁ – 72,7 mm

r_1,2 – min – 1,1 mm

r_3,4 – min – 0,6 mm

a – 24,8 mm

d_a – min – 52 mm

d_b – min – 52 mm

D_a – max – 78 mm

D_b – max – 80,8 mm

r_a – max – 1 mm

r_b – max – 0,6 mm

d_n – 60,6 mm

Basic dynamic load rating – C – 41 kN

Basic static load rating – C₀ – 30 kN

Fatigue load limit – P_u – 1,2 kN

Limiting speed for grease lubrication – 17.000 r/min

Limiting speed for oil lubrication – 28.000 mm/min

Ball – D_w – 12,7 mm

Ball – z – 14

G_ref – 5,922 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 – 260 N

Preload class B – G_B – 520 N

Preload class C – G_C – 1040 N

Preload class D – G_D – 2080 N

Calculation factor – f – 1,07

Calculation factor – f₁ – 0,99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1,01

Calculation factor – f_2C – 1,03

Calculation factor – f_2D – 1,06

Calculation factor – f_HC – 1,01

Preload class A – 162 N/micron

Preload class B – 211 N/micron

Preload class C – 280 N/micron

Preload class D – 378 N/micron

Mass bearing – 0,339 kg

BẠN MUA VÒNG BI 249/950 CA/W33 SKF Ở ĐÂU?

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