Bearing BTW 45 CTN9/SP (SKF)

Angular contact thrust ball bearings, double direction, super-precision BTW 45 CTN9/SP

Bearing number : BTW 45 CTN9/SP

Size (mm) : 45x75x38

Brand : SKF

Bore Diameter (mm) : 45

Outer Diameter (mm) : 75

Width (mm) : 38

Bearing dimensions and specification in SKF catalogue:

d - 45 mm

D - 75 mm

H - 38 mm

d₁ - 62.5 mm

2C - 19 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.3 mm

d_a - min. - 56 mm

D_a - min. - 69.9 mm

D_a - max. - 71 mm

r_a - max. - 1 mm

r_b - max. - 0.3 mm

Basic dynamic load rating - C - 22.1 kN

Basic static load rating - C₀ - 54 kN

Fatigue load limit - P_u - 2.6 kN

Limiting speed for grease lubrication - 9500 r/min

Limiting speed for oil lubrication - 12000 mm/min

Preload - 390 N

Static Axial rigidity - 513 N/micron

G_ref - 3.1 cm

Mass bearing - 0.532 kg

Designation

Bore Dia, mm

Outer Dia, mm: