7212 ACD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7212 ACD/HCP4A SKF:

d – 85 mm

D – 130 mm

B – 22 mm

d₁ – 101.7 mm

d₂ – 99.3 mm

D₂ – 116.4 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 25.5 mm

d_a – min. – 91 mm

d_a – max. – 100.9 mm

d_b – min. – 91 mm

d_b – max. – 98.5 mm

D_a – max. – 124 mm

D_b – max. – 126.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

Basic dynamic load rating – C – 27 kN

Basic static load rating – C₀ – 23.6 kN

Fatigue load limit – P_u – 0.965 kN

Limiting speed for grease lubrication – 13000 r/min

Ball – D_w – 9.525 mm

Ball – z – 28

Calculation factor – f₀ – 9.6

Preload class A – G_A – 54 N

Preload class B – G_B – 160 N

Preload class C – G_C – 480 N

Calculation factor – f – 1.08

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.05

Calculation factor – f_HC – 1

Preload class A – 54 N/micron

Preload class B – 71 N/micron

Preload class C – 112 N/micron

Mass bearing – 0.96 kg

BẠN MUA VÒNG BI 7212 ACD/HCP4A SKF Ở ĐÂU?

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