71904 CE/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71904 CE/HCP4A SKF:

d – 60 mm

D – 85 mm

B – 13 mm

d₁ – 67.75 mm

d₂ – 65.7 mm

D₂ – 79.7 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.3 mm

a – 24.6 mm

d_a – min. – 64.6 mm

d_a – max. – 67.2 mm

d_b – min. – 62 mm

d_b – max. – 65.1 mm

D_a – max. – 80.4 mm

D_b – max. – 83 mm

r_a – max. – 1 mm

r_b – max. – 0.3 mm

Basic dynamic load rating – C – 15.3 kN

Basic static load rating – C₀ – 11.2 kN

Fatigue load limit – P_u – 0.475 kN

Limiting speed for grease lubrication – 23000 r/min

Ball – D_w – 7.938 mm

Ball – z – 23

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 – 139 N

Preload class B – G_B – 418 N

Preload class C – G_C – 836 N

Calculation factor – f – 1.13

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 – 128 N/micron

Preload class B – 193 N/micron

Preload class C – 254 N/micron

Mass bearing – 0.159 kg

BẠN MUA VÒNG BI 71904 CE/HCP4A SKF Ở ĐÂU?

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