S7002 CD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7002 CD/HCP4A SKF:

d – 95 mm

D – 145 mm

B – 24 mm

d₁ – 110.4 mm

d₂ – 110.4 mm

D₂ – 133.25 mm

r_1,2 – min. – 1.5 mm

r_3,4 – min. – 1 mm

a – 28.2 mm

d_a – min. – 102 mm

d_a – max. – 109.8 mm

d_b – min. – 102 mm

d_b – max. – 109.8 mm

D_a – max. – 138 mm

D_b – max. – 141 mm

r_a – max. – 1.5 mm

r_b – max. – 1 mm

Basic dynamic load rating – C – 81.9 kN

Basic static load rating – C₀ – 80 kN

Fatigue load limit – P_u – 3.1 kN

Limiting speed for grease lubrication – 11000 r/min

Ball – D_w – 15.875 mm

Ball – z – 21

Calculation factor – f₀ – 15.7

Preload class A – G_A – 310 N

Preload class B – G_B – 620 N

Preload class C – G_C – 1240 N

Preload class D – G_D – 2480 N

Calculation factor – f – 1.15

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.05

Calculation factor – f_2D – 1.09

Calculation factor – f_HC – 1.02

Preload class A – 120 N/micron

Preload class B – 164 N/micron

Preload class C – 231 N/micron

Preload class D – 335 N/micron

Mass bearing – 1.014 kg

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