Bearing NJ 2308 ECJ (SKF)

Cylindrical roller bearings, single row NJ 2308 ECJ

Bearing number : NJ 2308 ECJ

Size (mm) : 40x90x33

Brand : SKF

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 33

Bearing dimensions and specification in SKF catalogue:

d - 40 mm

D - 90 mm

B - 33 mm

d₁ - - 57.5 mm

D₁ - - 75 mm

F - 52 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1.5 mm

s - 2.9 mm

d_a - min. - 48 mm

d_a - max. - 50 mm

d_b - min. - 60 mm

D_a - max. - 81.8 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 129 kN

Basic static load rating - C₀ - 120 kN

Fatigue load limit - P_u - 15.3 kN

Reference speed - 8000 r/min

Limiting speed - 9500 r/min

Calculation factor - k_r - 0.25

Mass bearing - 1.009 kg

Designation

Bore Dia, mm

Outer Dia, mm: