S7028 ACD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7028 ACD/P4A SKF:

d – 25 mm

D – 42 mm

B – 9 mm

d₁ – 30.7 mm

d₂ – 29.4 mm

D₁ – 36.39 mm

K – 0.5 mm

C₁ – 5.45 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.15 mm

a – 9.2 mm

d_a – min. – 27 mm

d_b – min. – 27 mm

D_a – max. – 40 mm

D_b – max. – 41.2 mm

r_a – max. – 0.3 mm

r_b – max. – 0.15 mm

d_n – 31.8 mm

Basic dynamic load rating – C – 5.3 kN

Basic static load rating – C₀ – 2.8 kN

Fatigue load limit – P_u – 0.12 kN

Limiting speed for grease lubrication – 58000 r/min

Limiting speed for oil lubrication – 90000 mm/min

Ball – D_w – 4.762 mm

Ball – z – 16

G_ref – 0.6 cm3

Calculation factor – f₀ – 8.1

Preload class A – G_A – 28 N

Preload class B – G_B – 85 N

Preload class C – G_C – 170 N

Calculation factor – f – 1.06

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.05

Calculation factor – f_2C – 1.09

Calculation factor – f_HC – 1.01

Preload class A – 23 N/micron

Preload class B – 36 N/micron

Preload class C – 49 N/micron

Mass bearing – 0.036 kg

BẠN MUA VÒNG BI S7028 ACD/P4A SKF Ở ĐÂU?

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