Bearing BSD 55120 C (SKF)

Angular contact thrust ball bearings BSD 55120 C

Bearing number : BSD 55120 C

Size (mm) : 55x120x20

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 120 mm

H - 20 mm

d₁ - 80.9 mm

d₂ - 91 mm

D₁ - 91.1 mm

D₂ - 101.74 mm

r_1,2 - min. - 1.5 mm

a - 96 mm

d_a - min. - 69 mm

d_b - min. - 69 mm

D_a - max. - 110 mm

D_b - max. - 110 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 69.5 kN

Basic static load rating - C₀ - 228 kN

Fatigue load limit - P_u - 8.5 kN

Limiting speed for grease lubrication - 5000 r/min

Limiting speed for oil lubrication - 6000 mm/min

Preload class A - 7300 N

Preload class B - 14600 N

Frictional moment, Preload class A - 0.72 N·m

Frictional moment, Preload class B - 1.26 N·m

Static Axial rigidity, Preload class A - 1800 N/micron

Static Axial rigidity, Preload class B - 2300 N/micron

Max. axial load - F_a - max. 130 kN

G_ref - 7.5 cm3

Mass bearing - 1.14 kg

Designation

Bore Dia, mm

Outer Dia, mm: