238/630 CAKMA/W20 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu 238/630 CAKMA/W20 SKF

d – 70 mm

D – 100 mm

B – 16 mm

d₁ – 80,94 mm

d₂ – 79,55 mm

D₂ – 91,66 mm

r_1,2 – min – 1 mm

r_3,4 – min – 0,3 mm

a – 31,2 mm

d_a – min – 74,6 mm

d_b – min – 74,6 mm

D_a – max – 95,4 mm

D_b – max – 98 mm

r_a – max – 1 mm

r_b – max – 0,3 mm

d_n – 81,9 mm

Basic dynamic load rating – C – 12,7 kN

Basic static load rating – C₀ – 11,6 kN

Fatigue load limit – P_u – 0,49 kN

Limiting speed for grease lubrication – 19.000 r/min

Limiting speed for oil lubrication – 30.000 mm/min

Ball – D_w – 6,35 mm

Ball – z – 32

G_ref – 4,49 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 – 75 N

Preload class B – G_B – 150 N

Preload class C – G_C – 450 N

Calculation factor – f – 1,1

Calculation factor – f₁ – 0,99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1,02

Calculation factor – f_2C – 1,08

Calculation factor – f_HC – 1,01

Preload class A – 125 N/micron

Preload class B – 160 N/micron

Preload class C – 244 N/micron

Mass bearing – 0,328 kg

BẠN MUA VÒNG BI 238/630 CAKMA/W20 SKF Ở ĐÂU?

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