238/670 CAMA/W20 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu 238/670 CAMA/W20 SKF

d – 7 mm

D – 19 mm

B – 6 mm

d₁ – 10,8 mm

d₂ – 10,8 mm

D₁ – 15,2 mm

K – 0,5 mm

C₁ – 3,65 mm

r_1,2 – min – 0,3 mm

r_3,4 – min – 0,15 mm

a – 4,8 mm

d_a – min – 9 mm

d_b – min – 9 mm

D_a – max – 17 mm

D_b – max – 18,2 mm

r_a – max – 0,3 mm

r_b – max – 0,15 mm

d_n – 11,7 mm

Basic dynamic load rating – C – 2,5 kN

Basic static load rating – C₀ – 0,98 kN

Fatigue load limit – P_u – 0,04 kN

Limiting speed for grease lubrication – 100.000 r/min

Limiting speed for oil lubrication – 160.000 mm/min

Ball – D_w – 3,572 mm

Ball – z – 8

G_ref – 0,12 cm3

Calculation factor – f₀ – 8,1

Preload class A – G_A – 8 N

Preload class B – G_B – 15 N

Preload class C – G_C – 30 N

Preload class D – G_D – 60 N

Calculation factor – f – 1,03

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1,02

Calculation factor – f_2C – 1,05

Calculation factor – f_2D – 1,09

Calculation factor – f_HC – 1

Preload class A – 9 N/micron

Preload class B – 11 N/micron

Preload class C – 15 N/micron

Preload class D – 22 N/micron

Mass bearing – 0,008 kg

BẠN MUA VÒNG BI 238/670 CAMA/W20 SKF Ở ĐÂU?

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