Bearing NNU 4924 BK/SPW33 (SKF)

Cylindrical roller bearings, double row, super-precision NNU 4924 BK/SPW33

Bearing number : NNU 4924 BK/SPW33

Size (mm) : 120x165x45

Brand : SKF

Bore Diameter (mm) : 120

Outer Diameter (mm) : 165

Width (mm) : 45

Bearing dimensions and specification in SKF catalogue:

d - 120 mm

D - 165 mm

B - 45 mm

D₁ - 150.5 mm

F - 134.5 mm

b - 5.5 mm

K - 3 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

s - 1.1 mm

d_a - min. - 126 mm

d_a - max. - 133 mm

D_a - max. - 158.5 mm

r_a - max. - 1 mm

d_n - 136.8 mm

Basic dynamic load rating - C - 176 kN

Basic static load rating - C₀ - 340 kN

Fatigue load limit - P_u - 37.5 kN

Limiting speed for grease lubrication - 4800 r/min

Limiting speed for oil lubrication - 5300 mm/min

G_ref - 27 cm

Mass bearing - 2.8 kg

Designation

Bore Dia, mm

Outer Dia, mm: