71922 CE/P4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71922 CE/P4AL SKF:

d – 170 mm

D – 260 mm

B – 42 mm

d₁ – 198.7 mm

d₂ – 198.7 mm

D₁ – 231.3 mm

b – 2.8 mm

C₁ – 23.8 mm

C₂ – 7.1 mm

C₃ – 7.1 mm

r_1,2 – min. – 2.1 mm

r_3,4 – min. – 1.1 mm

a – 71.4 mm

d_a – min. – 181 mm

d_b – min. – 181 mm

D_a – max. – 249 mm

D_b – max. – 254 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 205.8 mm

Basic dynamic load rating – C – 199 kN

Basic static load rating – C₀ – 232 kN

Fatigue load limit – P_u – 6.7 kN

Limiting speed for grease lubrication – 4800 r/min

Limiting speed for oil lubrication – 7000 mm/min

Ball – D_w – 26.988 mm

Ball – z – 22

G_ref – 84 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 – 1250 N

Preload class B – G_B – 2500 N

Preload class C – G_C – 5000 N

Preload class D – G_D – 10000 N

Calculation factor – f – 1.14

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.05

Calculation factor – f_2D – 1.08

Calculation factor – f_HC – 1

Preload class A – 433 N/micron

Preload class B – 563 N/micron

Preload class C – 744 N/micron

Preload class D – 1003 N/micron

Mass bearing – 6.989 kg

BẠN MUA VÒNG BI 71922 CE/P4AL SKF Ở ĐÂU?

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