Bearing NJ 244 ECM (SKF)

Cylindrical roller bearings, single row NJ 244 ECM

Bearing number : NJ 244 ECM

Size (mm) : 220x400x65

Brand : SKF

Bore Diameter (mm) : 220

Outer Diameter (mm) : 400

Width (mm) : 65

Bearing dimensions and specification in SKF catalogue:

d - 220 mm

D - 400 mm

B - 65 mm

d₁ - - 284 mm

D₁ - - 342.15 mm

F - 268 mm

r_1,2 - min. - 4 mm

r_3,4 - min. - 4 mm

s - 2.3 mm

d_a - min. - 238 mm

d_a - max. - 263 mm

d_b - min. - 288 mm

D_a - max. - 383 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 1060 kN

Basic static load rating - C₀ - 1290 kN

Fatigue load limit - P_u - 125 kN

Reference speed - 1700 r/min

Limiting speed - 3000 r/min

Calculation factor - k_r - 0.15

Mass bearing - 38.209 kg

Designation

Bore Dia, mm

Outer Dia, mm: