S7020 CD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7020 CD/P4A SKF:

d – 12 mm

D – 24 mm

B – 6 mm

d₁ – 16 mm

d₂ – 15.26 mm

D₁ – 19.95 mm

K – 0.5 mm

C₁ – 3.65 mm

r_1,2 – min. – 0.3 mm

r_3,4 – min. – 0.15 mm

a – 7.7 mm

d_a – min. – 14 mm

d_b – min. – 14 mm

D_a – max. – 22 mm

D_b – max. – 23.2 mm

r_a – max. – 0.3 mm

r_b – max. – 0.15 mm

d_n – 16.8 mm

Basic dynamic load rating – C – 2 kN

Basic static load rating – C₀ – 0.865 kN

Fatigue load limit – P_u – 0.036 kN

Limiting speed for grease lubrication – 98000 r/min

Limiting speed for oil lubrication – 150000 mm/min

Ball – D_w – 3.175 mm

Ball – z – 12

G_ref – 0.1 cm3

Calculation factor – e – 0.68

Calculation factor – Y₂ – 0.87

Calculation factor – Y₀ – 0.38

Calculation factor – X₂ – 0.41

Calculation factor – Y₁ – 0.92

Calculation factor – Y₂ – 1.41

Calculation factor – Y₀ – 0.76

Calculation factor – X₂ – 0.67

Preload class A – G_A – 18 N

Preload class B – G_B – 55 N

Preload class C – G_C – 110 N

Calculation factor – f – 1.04

Calculation factor – f₁ – 0.98

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.04

Calculation factor – f_2C – 1.08

Calculation factor – f_HC – 1.01

Preload class A – 30 N/micron

Preload class B – 45 N/micron

Preload class C – 59 N/micron

Mass bearing – 0.009 kg

BẠN MUA VÒNG BI S7020 CD/P4A SKF Ở ĐÂU?

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