7011 ACD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7011 ACD/P4A SKF:

d – 240 mm

D – 320 mm

B – 38 mm

d₁ – 264.7 mm

d₂ – 264.7 mm

D₁ – 295.3 mm

r_1,2 – min. – 2.1 mm

r_3,4 – min. – 1 mm

a – 56.6 mm

d_a – min. – 251 mm

d_b – min. – 251 mm

D_a – max. – 309 mm

D_b – max. – 315 mm

r_a – max. – 2 mm

r_b – max. – 1 mm

d_n – 271.4 mm

Basic dynamic load rating – C – 229 kN

Basic static load rating – C₀ – 325 kN

Fatigue load limit – P_u – 8.2 kN

Limiting speed for grease lubrication – 3800 r/min

Limiting speed for oil lubrication – 5600 mm/min

Ball – D_w – 25.4 mm

Ball – z – 31

G_ref – 93 cm3

Calculation factor – f₀ – 16.7

Preload class A – G_A – 860 N

Preload class B – G_B – 1720 N

Preload class C – G_C – 3440 N

Preload class D – G_D – 6880 N

Calculation factor – f – 1.32

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.04

Calculation factor – f_2C – 1.09

Calculation factor – f_2D – 1.15

Calculation factor – f_HC – 1

Preload class A – 237 N/micron

Preload class B – 325 N/micron

Preload class C – 461 N/micron

Preload class D – 678 N/micron

Mass bearing – 8.5 kg

BẠN MUA VÒNG BI 7011 ACD/P4A SKF Ở ĐÂU?

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