S7020 ACE/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S7020 ACE/HCP4A SKF:

d – 85 mm

D – 120 mm

B – 18 mm

d₁ – 96 mm

d₂ – 92.9 mm

D₁ – 109.22 mm

K – 0.5 mm

C₁ – 5.48 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 34.1 mm

d_a – min. – 91 mm

d_b – min. – 88.2 mm

D_a – max. – 114 mm

D_b – max. – 116.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 98.6 mm

Basic dynamic load rating – C – 28.1 kN

Basic static load rating – C₀ – 22 kN

Fatigue load limit – P_u – 0.9 kN

Limiting speed for grease lubrication – 16500 r/min

Limiting speed for oil lubrication – 25000 mm/min

Ball – D_w – 11.112 mm

Ball – z – 23

G_ref – 7 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 – 255 N

Preload class B – G_B – 765 N

Preload class C – G_C – 1529 N

Calculation factor – f – 1.16

Calculation factor – f₁ – 0.98

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.04

Calculation factor – f_2C – 1.08

Calculation factor – f_HC – 1.01

Preload class A – 175 N/micron

Preload class B – 263 N/micron

Preload class C – 346 N/micron

Mass bearing – 0.422 kg

BẠN MUA VÒNG BI S7020 ACE/HCP4A SKF Ở ĐÂU?

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