71910 ACE/HCP4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 71910 ACE/HCP4AL SKF:

d – 110 mm

D – 170 mm

B – 28 mm

d₁ – 132.38 mm

d₂ – 129.2 mm

D₁ – 147.61 mm

b – 1.8 mm

C₁ – 9.05 mm

C₂ – 5.4 mm

C₃ – 5.4 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 46.9 mm

d_a – min. – 118.8 mm

d_b – min. – 118.8 mm

D_a – max. – 161.2 mm

D_b – max. – 164.4 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 135.4 mm

Basic dynamic load rating – C – 44.9 kN

Basic static load rating – C₀ – 42.5 kN

Fatigue load limit – P_u – 1.5 kN

Limiting speed for grease lubrication – 11500 r/min

Limiting speed for oil lubrication – 17500 mm/min

Ball – D_w – 12.7 mm

Ball – z – 30

G_ref – 23 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 – 400 N

Preload class B – G_B – 1210 N

Preload class C – G_C – 2420 N

Calculation factor – f – 1.1

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.03

Calculation factor – f_2C – 1.06

Calculation factor – f_HC – 1.01

Preload class A – 263 N/micron

Preload class B – 395 N/micron

Preload class C – 518 N/micron

Mass bearing – 1.932 kg

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