7211 ACD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7211 ACD/HCP4A SKF:

d – 110 mm

D – 150 mm

B – 20 mm

d₁ – 124.42 mm

d₂ – 122.5 mm

D₂ – 139 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 46.9 mm

d_a – min. – 116 mm

d_b – min. – 116 mm

D_a – max. – 144 mm

D_b – max. – 146.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 125.7 mm

Basic dynamic load rating – C – 24.7 kN

Basic static load rating – C₀ – 25.5 kN

Fatigue load limit – P_u – 0.95 kN

Limiting speed for grease lubrication – 12000 r/min

Limiting speed for oil lubrication – 19000 mm/min

Ball – D_w – 8.731 mm

Ball – z – 37

G_ref – 11.43 cm3

Calculation factor – e – 0.68

Calculation factor – Y₂ – 0.87

Calculation factor – Y₀ – 0.38

Calculation factor – X₂ – 0.41

Calculation factor – Y₁ – 0.92

Calculation factor – Y₂ – 1.41

Calculation factor – Y₀ – 0.76

Calculation factor – X₂ – 0.67

Preload class A – G_A – 145 N

Preload class B – G_B – 290 N

Preload class C – G_C – 870 N

Calculation factor – f – 1.14

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.02

Calculation factor – f_2C – 1.08

Calculation factor – f_HC – 1.01

Preload class A – 192 N/micron

Preload class B – 248 N/micron

Preload class C – 379 N/micron

Mass bearing – 0.836 kg

BẠN MUA VÒNG BI 7211 ACD/HCP4A SKF Ở ĐÂU?

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