Bantalan 71920 CB/HCP4AL SKF

Angular contact ball bearings, super-precision 71920 CB/HCP4AL

Nomor bantalan : 71920 CB/HCP4AL

Ukuran mm : 140x100x20

Merek : SKF

Bore Diameter mm : 140

Diameter luar mm : 100

Lebar mm : 20

Bearing dimensi dan spesifikasi dalam katalog merek :

d - 100 mm

D - 140 mm

B - 20 mm

d₁ - 114.92 mm

d₂ - 113.16 mm

D₂ - 128.7 mm

b - 2.2 mm

C₁ - 10.9 mm

C₂ - 4.5 mm

C₃ - 2.9 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 28.9 mm

d_a - min. - 106 mm

d_b - min. - 106 mm

D_a - max. - 134 mm

D_b - max. - 136.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 116.1 mm

Rating beban dinamis dasar - C - 21.6 kN

Rating beban statis dasar - C₀ - 22.4 kN

Batas beban kelelahan - P_u - 0.865 kN

Membatasi kecepatan for grease lubrication - 15000 r/min

Membatasi kecepatan for oil lubrication - 24000 mm/min

Ball - D_w - 7.938 mm

Ball - z - 37

G_ref - 9.96 cm3

Faktor perhitungan - f₀ - 10

Preload class A - G_A - 72 N

Preload class B - G_B - 145 N

Preload class C - G_C - 430 N

Faktor perhitungan - f - 1.11

Faktor perhitungan - f₁ - 1

Faktor perhitungan - f_2A - 1

Faktor perhitungan - f_2B - 1.03

Faktor perhitungan - f_2C - 1.08

Faktor perhitungan - f_HC - 1.01

Preload class A - 67 N/micron

Preload class B - 88 N/micron

Preload class C - 139 N/micron

Bantalan massa - 0.802 kg