Bearing NJ 2311 ECPH (SKF)

Cylindrical roller bearings, single row NJ 2311 ECPH

Bearing number : NJ 2311 ECPH

Size (mm) : 55x120x43

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 43

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 120 mm

B - 43 mm

d₁ - - 77.5 mm

D₁ - - 100.3 mm

F - 70.5 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 2 mm

s - 3.5 mm

d_a - min. - 65 mm

d_a - max. - 68 mm

d_b - min. - 80 mm

D_a - max. - 109.2 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 232 kN

Basic static load rating - C₀ - 232 kN

Fatigue load limit - P_u - 30.5 kN

Reference speed - 6000 r/min

Limiting speed - 7000 r/min

Calculation factor - k_r - 0.25

Mass bearing - 2.259 kg

Designation

Bore Dia, mm

Outer Dia, mm: