Bearing NJ 238 ECM (SKF)

Cylindrical roller bearings, single row NJ 238 ECM

Bearing number : NJ 238 ECM

Size (mm) : 190x340x55

Brand : SKF

Bore Diameter (mm) : 190

Outer Diameter (mm) : 340

Width (mm) : 55

Bearing dimensions and specification in SKF catalogue:

d - 190 mm

D - 340 mm

B - 55 mm

d₁ - - 244 mm

D₁ - - 293.8 mm

F - 230 mm

r_1,2 - min. - 4 mm

r_3,4 - min. - 4 mm

s - 3 mm

d_a - min. - 207 mm

d_a - max. - 226 mm

d_b - min. - 248 mm

D_a - max. - 321.9 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 800 kN

Basic static load rating - C₀ - 965 kN

Fatigue load limit - P_u - 98 kN

Reference speed - 2000 r/min

Limiting speed - 3400 r/min

Calculation factor - k_r - 0.15

Mass bearing - 23.309 kg

Designation

Bore Dia, mm

Outer Dia, mm: