Bearing NNU 4926 BK/SPW33 (SKF)

Cylindrical roller bearings, double row, super-precision NNU 4926 BK/SPW33

Bearing number : NNU 4926 BK/SPW33

Size (mm) : 130x180x50

Brand : SKF

Bore Diameter (mm) : 130

Outer Diameter (mm) : 180

Width (mm) : 50

Bearing dimensions and specification in SKF catalogue:

d - 130 mm

D - 180 mm

B - 50 mm

D₁ - 162 mm

F - 146 mm

b - 5.5 mm

K - 3 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1 mm

s - 2.2 mm

d_a - min. - 137 mm

d_a - max. - 144 mm

D_a - max. - 172 mm

r_a - max. - 1.5 mm

d_n - 147 mm

Basic dynamic load rating - C - 187 kN

Basic static load rating - C₀ - 390 kN

Fatigue load limit - P_u - 41.5 kN

Limiting speed for grease lubrication - 4300 r/min

Limiting speed for oil lubrication - 4800 mm/min

G_ref - 31 cm

Mass bearing - 3.85 kg

Designation

Bore Dia, mm

Outer Dia, mm: