Bearing BTM 70 BTN9/P4CDB (SKF)

Angular contact thrust ball bearings, double direction, super-precision BTM 70 BTN9/P4CDB

Bearing number : BTM 70 BTN9/P4CDB

Size (mm) : 70x110x36

Brand : SKF

Bore Diameter (mm) : 70

Outer Diameter (mm) : 110

Width (mm) : 36

Bearing dimensions and specification in SKF catalogue:

d - 70 mm

D - 110 mm

H - 36 mm

d₁ - 88.55 mm

D₁ - 100.2 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

d_a - min. - 76 mm

D_a - max. - 106 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 86.1 mm

Basic dynamic load rating - C - 32 kN

Basic static load rating - C₀ - 67 kN

Fatigue load limit - P_u - 2.8 kN

Limiting speed for grease lubrication - 7700 r/min

Limiting speed for oil lubrication - 9900 mm/min

Preload class A - 350 N

Preload class B - 1050 N

Static Axial rigidity, Preload class A - 389 N/micron

Static Axial rigidity, Preload class B - 587 N/micron

G_ref - 11 cm

Mass bearing - 1.2 kg

Designation

Bore Dia, mm

Outer Dia, mm: