7017 CD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7017 CD/P4A SKF:

d – 25 mm

D – 37 mm

B – 7 mm

d₁ – 29.1 mm

d₂ – 29.1 mm

D₁ – 33.1 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.15 mm

a – 7.7 mm

d_a – min. – 27 mm

d_b – min. – 27 mm

D_a – max. – 35 mm

D_b – max. – 36.2 mm

r_a – max. – 0.3 mm

r_b – max. – 0.15 mm

d_n – 29.5 mm

Basic dynamic load rating – C – 4.2 kN

Basic static load rating – C₀ – 3.2 kN

Fatigue load limit – P_u – 0.137 kN

Limiting speed for grease lubrication – 45000 r/min

Limiting speed for oil lubrication – 70000 mm/min

Ball – D_w – 3.175 mm

Ball – z – 20

G_ref – 0.21 cm3

Calculation factor – f₀ – 16.4

Preload class A – G_A – 22 N

Preload class B – G_B – 66 N

Preload class C – G_C – 132 N

Calculation factor – f – 1.11

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.1

Calculation factor – f_2C – 1.18

Calculation factor – f_HC – 1.02

Preload class A – 29 N/micron

Preload class B – 49 N/micron

Preload class C – 71 N/micron

Mass bearing – 0.019 kg

BẠN MUA VÒNG BI 7017 CD/P4A SKF Ở ĐÂU?

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