S7215 ACD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7215 ACD/HCP4A SKF:

d – 55 mm

D – 90 mm

B – 18 mm

d₁ – 67.73 mm

d₂ – 65.6 mm

D₁ – 77.25 mm

b – 1.6 mm

C₁ – 5.65 mm

C₂ – 3.4 mm

C₃ – 3.4 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 18.8 mm

d_a – min. – 61 mm

d_b – min. – 61 mm

D_a – max. – 84 mm

D_b – max. – 85.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 69.6 mm

Basic dynamic load rating – C – 16.8 kN

Basic static load rating – C₀ – 12.2 kN

Fatigue load limit – P_u – 0.52 kN

Limiting speed for grease lubrication – 22000 r/min

Limiting speed for oil lubrication – 34000 mm/min

Ball – D_w – 7.938 mm

Ball – z – 24

G_ref – 5 cm3

Calculation factor – f₀ – 8.4

Preload class A – G_A – 90 N

Preload class B – G_B – 270 N

Preload class C – G_C – 540 N

Calculation factor – f – 1.07

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.03

Calculation factor – f_2C – 1.05

Calculation factor – f_HC – 1

Preload class A – 46 N/micron

Preload class B – 72 N/micron

Preload class C – 98 N/micron

Mass bearing – 0.392 kg

BẠN MUA VÒNG BI S7215 ACD/HCP4A SKF Ở ĐÂU?

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