NN3038K/SPW33 SKF bearing

Cylindrical roller bearings, double row, super-precision NN 3038 K/SPW33

Bearing number : NN 3038 K/SPW33

Size (mm) : 190x290x75

Brand : SKF

Bore Diameter (mm) : 190

Outer Diameter (mm) : 290

Width (mm) : 75

Bearing dimensions and specification in SKF catalogue:

d - 190 mm

D - 290 mm

B - 75 mm

d₁ - 228.2 mm

E - 265 mm

b - 11.3 mm

K - 6 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 1.1 mm

s - 3 mm

d_a - min. - 201 mm

D_a - min. - 267 mm

D_a - max. - 279 mm

r_a - max. - 2 mm

d_n - 258.9 mm

Basic dynamic load rating - C - 594 kN

Basic static load rating - C₀ - 1080 kN

Fatigue load limit - P_u - 108 kN

Limiting speed for grease lubrication - 2800 r/min

Limiting speed for oil lubrication - 3200 mm/min

G_ref - 144 cm

Static radial stiffness (guideline value) - 4280 N/micron

Mass bearing - 17 kg