Bearing NNU 4952 BK/SPW33 (SKF)

Cylindrical roller bearings, double row, super-precision NNU 4952 BK/SPW33

Bearing number : NNU 4952 BK/SPW33

Size (mm) : 260x360x100

Brand : SKF

Bore Diameter (mm) : 260

Outer Diameter (mm) : 360

Width (mm) : 100

Bearing dimensions and specification in SKF catalogue:

d - 260 mm

D - 360 mm

B - 100 mm

D₁ - 325.6 mm

F - 292 mm

b - 13.9 mm

K - 3 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 1.1 mm

s - 4.5 mm

d_a - min. - 271 mm

d_a - max. - 288 mm

D_a - max. - 349 mm

r_a - max. - 2 mm

d_n - 294.5 mm

Basic dynamic load rating - C - 748 kN

Basic static load rating - C₀ - 1700 kN

Fatigue load limit - P_u - 163 kN

Limiting speed for grease lubrication - 2000 r/min

Limiting speed for oil lubrication - 2400 mm/min

G_ref - 366 cm

Mass bearing - 30.5 kg

Designation

Bore Dia, mm

Outer Dia, mm: