Bearing NNU 4940 B/SPW33 (SKF)

Cylindrical roller bearings, double row, super-precision NNU 4940 B/SPW33

Bearing number : NNU 4940 B/SPW33

Size (mm) : 200x280x80

Brand : SKF

Bore Diameter (mm) : 200

Outer Diameter (mm) : 280

Width (mm) : 80

Bearing dimensions and specification in SKF catalogue:

d - 200 mm

D - 280 mm

B - 80 mm

D₁ - 252.2 mm

F - 225 mm

b - 11.1 mm

K - 3 mm

r_1,2 - min. - 2.1 mm

s - 3.7 mm

d_a - min. - 211 mm

d_a - max. - 222 mm

d_b - min. - 228 mm

D_a - max. - 269 mm

r_a - max. - 2 mm

d_n - 227 mm

Basic dynamic load rating - C - 484 kN

Basic static load rating - C₀ - 1040 kN

Fatigue load limit - P_u - 106 kN

Limiting speed for grease lubrication - 2600 r/min

Limiting speed for oil lubrication - 3000 mm/min

G_ref - 117 cm

Mass bearing - 15 kg

Designation

Bore Dia, mm

Outer Dia, mm: