Bearing BTW 120 CTN9/SP (SKF)

Angular contact thrust ball bearings, double direction, super-precision BTW 120 CTN9/SP

Bearing number : BTW 120 CTN9/SP

Size (mm) : 120x180x72

Brand : SKF

Bore Diameter (mm) : 120

Outer Diameter (mm) : 180

Width (mm) : 72

Bearing dimensions and specification in SKF catalogue:

d - 120 mm

D - 180 mm

H - 72 mm

d₁ - 155 mm

2C - 36 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 1 mm

d_a - min. - 142 mm

D_a - min. - 169.8 mm

D_a - max. - 171 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

Basic dynamic load rating - C - 85.2 kN

Basic static load rating - C₀ - 280 kN

Fatigue load limit - P_u - 10.8 kN

Limiting speed for grease lubrication - 4000 r/min

Limiting speed for oil lubrication - 4800 mm/min

Preload - 800 N

Static Axial rigidity - 979 N/micron

G_ref - 28.4 cm

Mass bearing - 5.051 kg

Designation

Bore Dia, mm

Outer Dia, mm: