K 89422 M SKF

Kích thước và Thông số kỹ thuật của Vòng bi đũa đỡ chặn K 89422 M SKF:

d – 30 mm

D – 55 mm

B – 13 mm

d₁ – 38,2 mm

d₂ – 36,4 mm

D₁ – 45,81 mm

b – 1,4 mm

C₁ – 3,7 mm

C₂ – 1,95 mm

C₃ – 2,6 mm

r_1,2 – min – 1 mm

r_3,4 – min – 0,6 mm

a – 16,4 mm

d_a – min – 34,6 mm

d_b – min – 34,6 mm

D_a – max – 50,4 mm

D_b – max – 50,8 mm

r_a – max – 1 mm

r_b – max – 0,6 mm

d_n – 39,9 mm

Basic dynamic load rating – C – 8,8 kN

Basic static load rating – C₀ – 5 kN

Fatigue load limit – P_u – 0,212 kN

Limiting speed for grease lubrication – 35.000 r/min

Limiting speed for oil lubrication – 54.000 mm/min

Ball – D_w – 6,35 mm

Ball – z – 17

G_ref – 1,7 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 – 80 N

Preload class B – G_B – 240 N

Preload class C – G_C – 480 N

Calculation factor – f – 1,05

Calculation factor – f₁ – 0,99

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1,03

Calculation factor – f_2C – 1,06

Calculation factor – f_HC – 1

Preload class A – 71 N/micron

Preload class B – 105 N/micron

Preload class C – 138 N/micron

Khối lượng – 0,114 kg

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