S71924 CD/HCP4A SKF

Kích thước và Thông số kỹ thuật của Vòng bi cầu tiếp xúc có độ chính xác cao S71924 CD/HCP4A SKF:

d – 45 mm

D – 75 mm

B – 16 mm

d₁ – 55.7 mm

d₂ – 53.6 mm

D₂ – 66.85 mm

r_1,2 – min. – 1 mm

r_3,4 – min. – 0.6 mm

a – 17.7 mm

d_a – min. – 49.6 mm

d_a – max. – 55.1 mm

d_b – min. – 49.6 mm

d_b – max. – 53 mm

D_a – max. – 70.4 mm

D_b – max. – 70.8 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

Basic dynamic load rating – C – 12.7 kN

Basic static load rating – C₀ – 8.5 kN

Fatigue load limit – P_u – 0.355 kN

Limiting speed for grease lubrication – 28000 r/min

Ball – D_w – 7.144 mm

Ball – z – 21

Calculation factor – e – 0.57

Calculation factor – Y₂ – 1

Calculation factor – Y₀ – 0.42

Calculation factor – X₂ – 0.43

Calculation factor – Y₁ – 1.09

Calculation factor – Y₂ – 1.63

Calculation factor – Y₀ – 0.84

Calculation factor – X₂ – 0.7

Mass bearing – 0.23 kg

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