S7026 CD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7026 CD/HCP4A SKF:

d – 240 mm

D – 360 mm

B – 56 mm

d₁ – 277 mm

d₂ – 277 mm

D₁ – 323 mm

r_1,2 – min. – 3 mm

r_3,4 – min. – 1.5 mm

a – 68.4 mm

d_a – min. – 253 mm

d_b – min. – 253 mm

D_a – max. – 347 mm

D_b – max. – 354 mm

r_a – max. – 2.5 mm

r_b – max. – 1.5 mm

d_n – 287 mm

Basic dynamic load rating – C – 345 kN

Basic static load rating – C₀ – 490 kN

Fatigue load limit – P_u – 12 kN

Limiting speed for grease lubrication – 4500 r/min

Limiting speed for oil lubrication – 7000 mm/min

Ball – D_w – 38.1 mm

Ball – z – 22

G_ref – 216 cm3

Calculation factor – f₀ – 15.8

Preload class A – G_A – 1300 N

Preload class B – G_B – 2600 N

Preload class C – G_C – 5200 N

Preload class D – G_D – 10400 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 – 260 N/micron

Preload class B – 350 N/micron

Preload class C – 486 N/micron

Preload class D – 695 N/micron

Mass bearing – 14.127 kg

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