71904 CD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71904 CD/P4A SKF:

d – 100 mm

D – 180 mm

B – 34 mm

d₁ – 124.7 mm

d₂ – 124.7 mm

D₁ – 155.3 mm

r_1,2 – min. – 2.1 mm

r_3,4 – min. – 1.1 mm

a – 49.9 mm

d_a – min. – 112 mm

d_b – min. – 112 mm

D_a – max. – 168 mm

D_b – max. – 173 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 131.4 mm

Basic dynamic load rating – C – 148 kN

Basic static load rating – C₀ – 129 kN

Fatigue load limit – P_u – 4.6 kN

Limiting speed for grease lubrication – 8000 r/min

Limiting speed for oil lubrication – 13000 mm/min

Ball – D_w – 25.4 mm

Ball – z – 15

G_ref – 40.899 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 – 950 N

Preload class B – G_B – 1900 N

Preload class C – G_C – 3800 N

Preload class D – G_D – 7600 N

Calculation factor – f – 1.09

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.01

Calculation factor – f_2C – 1.03

Calculation factor – f_2D – 1.06

Calculation factor – f_HC – 1.01

Preload class A – 329 N/micron

Preload class B – 430 N/micron

Preload class C – 565 N/micron

Preload class D – 760 N/micron

Mass bearing – 2.637 kg

BẠN MUA VÒNG BI 71904 CD/P4A SKF Ở ĐÂU?

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