7010 ACE/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7010 ACE/P4A SKF:

d – 130 mm

D – 200 mm

B – 33 mm

d₁ – 151.6 mm

d₂ – 151.6 mm

D₁ – 178.4 mm

b – 3.1 mm

C₁ – 17.9 mm

C₂ – 6.6 mm

C₃ – 5.6 mm

r_1,2 – min. – 2 mm

r_3,4 – min. – 1 mm

a – 55.2 mm

d_a – min. – 139 mm

d_b – min. – 139 mm

D_a – max. – 191 mm

D_b – max. – 195 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 156.4 mm

Basic dynamic load rating – C – 140 kN

Basic static load rating – C₀ – 150 kN

Fatigue load limit – P_u – 4.9 kN

Limiting speed for grease lubrication – 6000 r/min

Limiting speed for oil lubrication – 9000 mm/min

Ball – D_w – 22.225 mm

Ball – z – 21

G_ref – 42 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 – 900 N

Preload class B – G_B – 1800 N

Preload class C – G_C – 3600 N

Preload class D – G_D – 7200 N

Calculation factor – f – 1.15

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 – 353 N/micron

Preload class B – 460 N/micron

Preload class C – 610 N/micron

Preload class D – 826 N/micron

Mass bearing – 3.234 kg

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