Bearing NNU 4992 BK/SPW33 (SKF)

Cylindrical roller bearings, double row, super-precision NNU 4992 BK/SPW33

Bearing number : NNU 4992 BK/SPW33

Size (mm) : 460x620x160

Brand : SKF

Bore Diameter (mm) : 460

Outer Diameter (mm) : 620

Width (mm) : 160

Bearing dimensions and specification in SKF catalogue:

d - 460 mm

D - 620 mm

B - 160 mm

D₁ - 567 mm

F - 510 mm

b - 16.7 mm

K - 9 mm

r_1,2 - min. - 4 mm

r_3,4 - min. - 2 mm

s - 3.2 mm

d_a - min. - 475 mm

d_a - max. - 504 mm

D_a - max. - 605 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 2090 kN

Basic static load rating - C₀ - 5500 kN

Fatigue load limit - P_u - 465 kN

Limiting speed for grease lubrication - 1000 r/min

Limiting speed for oil lubrication - 1200 r/min

Mass bearing - 130 kg

Designation

Bore Dia, mm

Outer Dia, mm: