Bearing NU 338 ECM (SKF)

Cylindrical roller bearings, single row NU 338 ECM

Bearing number : NU 338 ECM

Size (mm) : 190x400x78

Brand : SKF

Bore Diameter (mm) : 190

Outer Diameter (mm) : 400

Width (mm) : 78

Bearing dimensions and specification in SKF catalogue:

d - 190 mm

D - 400 mm

B - 78 mm

D₁ - - 336.3 mm

F - 245 mm

r_1,2 - min. - 5 mm

r_3,4 - min. - 5 mm

s - 4.3 mm

d_a - min. - 210 mm

d_a - max. - 240 mm

d_b - min. - 249 mm

D_a - max. - 380 mm

r_a - max. - 4 mm

r_b - max. - 4 mm

Basic dynamic load rating - C - 1140 kN

Basic static load rating - C₀ - 1500 kN

Fatigue load limit - P_u - 143 kN

Reference speed - 1500 r/min

Limiting speed - 2000 r/min

Calculation factor - k_r - 0.15

Mass bearing - 50 kg

Designation

Bore Dia, mm

Outer Dia, mm: