Bearing BTM 90 ATN9/P4CDB (SKF)

Angular contact thrust ball bearings, double direction, super-precision BTM 90 ATN9/P4CDB

Bearing number : BTM 90 ATN9/P4CDB

Size (mm) : 90x140x45

Brand : SKF

Bore Diameter (mm) : 90

Outer Diameter (mm) : 140

Width (mm) : 45

Bearing dimensions and specification in SKF catalogue:

d - 90 mm

D - 140 mm

H - 45 mm

d₁ - 113 mm

D₁ - 127.1 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1 mm

d_a - min. - 97 mm

D_a - max. - 135 mm

r_a - max. - 1.5 mm

r_b - max. - 1 mm

d_n - 109.7 mm

Basic dynamic load rating - C - 39 kN

Basic static load rating - C₀ - 91.5 kN

Fatigue load limit - P_u - 3.6 kN

Limiting speed for grease lubrication - 6800 r/min

Limiting speed for oil lubrication - 8700 mm/min

Preload class A - 400 N

Preload class B - 1200 N

Static Axial rigidity, Preload class A - 292 N/micron

Static Axial rigidity, Preload class B - 441 N/micron

G_ref - 22 cm

Mass bearing - 2.45 kg

Designation

Bore Dia, mm

Outer Dia, mm: