71930 CD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71930 CD/HCP4A SKF:

d – 80 mm

D – 140 mm

B – 26 mm

d₁ – 99.5 mm

d₂ – 99.5 mm

D₂ – 124.3 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 38.8 mm

d_a – min. – 91 mm

d_a – max. – 98.5 mm

d_b – min. – 91 mm

d_b – max. – 98.5 mm

D_a – max. – 129 mm

D_b – max. – 134.4 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

Basic dynamic load rating – C – 81.9 kN

Basic static load rating – C₀ – 72 kN

Fatigue load limit – P_u – 2.9 kN

Limiting speed for grease lubrication – 8500 r/min

Ball – D_w – 17.462 mm

Ball – z – 17

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 – 520 N

Preload class B – G_B – 1040 N

Preload class C – G_C – 2080 N

Preload class D – G_D – 4160 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 – 1.02

Calculation factor – f_2D – 1.05

Calculation factor – f_HC – 1

Preload class A – 257 N/micron

Preload class B – 303 N/micron

Preload class C – 401 N/micron

Preload class D – 540 N/micron

Mass bearing – 1.506 kg

BẠN MUA VÒNG BI 71930 CD/HCP4A SKF Ở ĐÂU?

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