S7209 ACD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7209 ACD/P4A SKF:

d – 40 mm

D – 62 mm

B – 12 mm

d₁ – 48.46 mm

d₂ – 47.6 mm

D₂ – 55.64 mm

b – 2 mm

C₁ – 5.9 mm

C₂ – 2.8 mm

C₃ – 1.7 mm

r_1,2 – min. – 0.6 mm

r_3,4 – min. – 0.3 mm

a – 20.2 mm

d_a – min. – 43.2 mm

d_b – min. – 43.2 mm

D_a – max. – 58.8 mm

D_b – max. – 60 mm

r_a – max. – 0.6 mm

r_b – max. – 0.3 mm

d_n – 49.1 mm

Basic dynamic load rating – C – 5.1 kN

Basic static load rating – C₀ – 4 kN

Fatigue load limit – P_u – 0.166 kN

Limiting speed for grease lubrication – 28000 r/min

Limiting speed for oil lubrication – 43000 mm/min

Ball – D_w – 3.969 mm

Ball – z – 28

G_ref – 1.38 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 – 31 N

Preload class B – G_B – 62 N

Preload class C – G_C – 185 N

Calculation factor – f – 1.06

Calculation factor – f₁ – 0.99

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 – 65 N/micron

Preload class B – 83 N/micron

Preload class C – 124 N/micron

Mass bearing – 0.118 kg

BẠN MUA VÒNG BI S7209 ACD/P4A SKF Ở ĐÂU?

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