S71922 ACE/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71922 ACE/HCP4A SKF:

d – 60 mm

D – 95 mm

B – 18 mm

d₁ – 70.8 mm

d₂ – 70.8 mm

D₁ – 84.2 mm

K – 0.5 mm

C₁ – 4.88 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 27.2 mm

d_a – min. – 66 mm

d_b – min. – 66 mm

D_a – max. – 89 mm

D_b – max. – 91.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 73.1 mm

Basic dynamic load rating – C – 39 kN

Basic static load rating – C₀ – 33.5 kN

Fatigue load limit – P_u – 1.4 kN

Limiting speed for grease lubrication – 15000 r/min

Limiting speed for oil lubrication – 24000 mm/min

Ball – D_w – 11.112 mm

Ball – z – 19

G_ref – 5.4 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 – 240 N

Preload class B – G_B – 480 N

Preload class C – G_C – 960 N

Preload class D – G_D – 1920 N

Calculation factor – f – 1.12

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 – 1.02

Preload class A – 186 N/micron

Preload class B – 243 N/micron

Preload class C – 323 N/micron

Preload class D – 437 N/micron

Mass bearing – 0.339 kg

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