238/710 CAMA/W20 SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu 238/710 CAMA/W20 SKF

d – 85 mm

D – 120 mm

B – 18 mm

d₁ – 98,2 mm

d₂ – 96,7 mm

D₂ – 110,2 mm

b – 2,2 mm

C₁ – 9,3 mm

C₂ – 4,5 mm

C₃ – 2,9 mm

r_1,2 – min – 1,1 mm

r_3,4 – min – 0,6 mm

a – 25,5 mm

d_a – min – 91 mm

d_b – min – 91 mm

D_a – max – 114 mm

D_b – max – 116,8 mm

r_a – max – 1 mm

r_b – max – 0,6 mm

d_n – 99,2 mm

Basic dynamic load rating – C – 16,3 kN

Basic static load rating – C₀ – 16,3 kN

Fatigue load limit – P_u – 0,68 kN

Limiting speed for grease lubrication – 15.000 r/min

Limiting speed for oil lubrication – 22.000 mm/min

Ball – D_w – 6,747 mm

Ball – z – 37

G_ref – 6,46 cm3

Calculation factor – f₀ – 10

Preload class A – G_A – 54 N

Preload class B – G_B – 110 N

Preload class C – G_C – 325 N

Calculation factor – f – 1,11

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1,02

Calculation factor – f_2C – 1,07

Calculation factor – f_HC – 1

Preload class A – 52 N/micron

Preload class B – 68 N/micron

Preload class C – 109 N/micron

Mass bearing – 0,572 kg

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