S71930 CD/P4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71930 CD/P4A SKF:

d – 45 mm

D – 75 mm

B – 16 mm

d₁ – 55.7 mm

d₂ – 53.6 mm

D₁ – 64.25 mm

K – 0.5 mm

C₁ – 5.53 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.6 mm

a – 16.1 mm

d_a – min. – 49.6 mm

d_b – min. – 49.6 mm

D_a – max. – 70.4 mm

D_b – max. – 70.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

d_n – 57.6 mm

Basic dynamic load rating – C – 13 kN

Basic static load rating – C₀ – 8.5 kN

Fatigue load limit – P_u – 0.36 kN

Limiting speed for grease lubrication – 32000 r/min

Limiting speed for oil lubrication – 50000 mm/min

Ball – D_w – 7.144 mm

Ball – z – 21

G_ref – 3.4 cm3

Calculation factor – f₀ – 8.2

Preload class A – G_A – 70 N

Preload class B – G_B – 210 N

Preload class C – G_C – 410 N

Calculation factor – f – 1.06

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.03

Calculation factor – f_2C – 1.05

Calculation factor – f_HC – 1.01

Preload class A – 42 N/micron

Preload class B – 65 N/micron

Preload class C – 88 N/micron

Mass bearing – 0.223 kg

BẠN MUA VÒNG BI S71930 CD/P4A SKF Ở ĐÂU?

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