7018 CD/P4AL SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao 7018 CD/P4AL SKF:

d – 50 mm

D – 90 mm

B – 20 mm

d₁ – 62.3 mm

d₂ – 62.3 mm

D₁ – 77.7 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 26.4 mm

d_a – min. – 57 mm

d_b – min. – 57 mm

D_a – max. – 83 mm

D_b – max. – 85.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 65.6 mm

Basic dynamic load rating – C – 42.3 kN

Basic static load rating – C₀ – 32.5 kN

Fatigue load limit – P_u – 1.4 kN

Limiting speed for grease lubrication – 16000 r/min

Limiting speed for oil lubrication – 26000 mm/min

Ball – D_w – 12.7 mm

Ball – z – 15

G_ref – 6.708 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 – 265 N

Preload class B – G_B – 530 N

Preload class C – G_C – 1060 N

Preload class D – G_D – 2120 N

Calculation factor – f – 1.08

Calculation factor – f₁ – 0.99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.01

Calculation factor – f_2C – 1.03

Calculation factor – f_2D – 1.06

Calculation factor – f_HC – 1.01

Preload class A – 171 N/micron

Preload class B – 223 N/micron

Preload class C – 295 N/micron

Preload class D – 398 N/micron

Mass bearing – 0.386 kg

BẠN MUA VÒNG BI 7018 CD/P4AL SKF Ở ĐÂU?

• Địa chỉ: 19/4B TCH 25, P. Tân Chánh Hiệp, Quận 12, Tp Hồ Chí Minh
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