Bearing NNU 49/500 BK/SPW33X (SKF)

Cylindrical roller bearings, double row, super-precision NNU 49/500 BK/SPW33X

Bearing number : NNU 49/500 BK/SPW33X

Size (mm) : 500x670x170

Brand : SKF

Bore Diameter (mm) : 500

Outer Diameter (mm) : 670

Width (mm) : 170

Bearing dimensions and specification in SKF catalogue:

d - 500 mm

D - 670 mm

B - 170 mm

D₁ - 611.6 mm

F - 554 mm

b - 22.3 mm

K - 12 mm

r_1,2 - min. - 5 mm

r_3,4 - min. - 3 mm

s - 3.5 mm

d_a - min. - 548 mm

d_a - max. - 548 mm

D_a - max. - 652 mm

r_a - max. - 4 mm

Basic dynamic load rating - C - 2330 kN

Basic static load rating - C₀ - 6100 kN

Fatigue load limit - P_u - 490 kN

Limiting speed for grease lubrication - 950 r/min

Limiting speed for oil lubrication - 1100 r/min

Mass bearing - 173 kg

Designation

Bore Dia, mm

Outer Dia, mm: