708 CD/HCP4AH SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 708 CD/HCP4AH SKF:

d – 190 mm

D – 290 mm

B – 46 mm

d₁ – 221.8 mm

d₂ – 221.8 mm

D₁ – 258.2 mm

r_1,2 – min. – 2.1 mm

r_3,4 – min. – 1.1 mm

a – 55.3 mm

d_a – min. – 201 mm

d_b – min. – 201 mm

D_a – max. – 279 mm

D_b – max. – 284 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 229.7 mm

Basic dynamic load rating – C – 247 kN

Basic static load rating – C₀ – 305 kN

Fatigue load limit – P_u – 8.3 kN

Limiting speed for grease lubrication – 4800 r/min

Limiting speed for oil lubrication – 7000 mm/min

Ball – D_w – 30.162 mm

Ball – z – 22

G_ref – 114 cm3

Calculation factor – f₀ – 15.9

Preload class A – G_A – 950 N

Preload class B – G_B – 1900 N

Preload class C – G_C – 3800 N

Preload class D – G_D – 7600 N

Calculation factor – f – 1.14

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

Preload class A – 196 N/micron

Preload class B – 266 N/micron

Preload class C – 370 N/micron

Preload class D – 532 N/micron

Mass bearing – 9.513 kg

BẠN MUA VÒNG BI 708 CD/HCP4AH SKF Ở ĐÂU?

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