Bantalan S71920 CB/P4A SKF

Angular contact ball bearings, super-precision S71920 CB/P4A

Nomor bantalan : S71920 CB/P4A

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

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 28.9 mm

d_a - min. - 106 mm

d_a - max. - 114.2 mm

d_b - min. - 106 mm

d_b - max. - 112.5 mm

D_a - max. - 134 mm

D_b - max. - 136.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 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 - 12000 r/min

Ball - D_w - 7.938 mm

Ball - z - 37

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 - 1.02

Faktor perhitungan - f_2C - 1.07

Faktor perhitungan - f_HC - 1

Preload class A - 60 N/micron

Preload class B - 79 N/micron

Preload class C - 125 N/micron

Bantalan massa - 0.879 kg