Bearing NJ 2304 ECP (SKF)

Cylindrical roller bearings, single row NJ 2304 ECP

Bearing number : NJ 2304 ECP

Size (mm) : 20x52x21

Brand : SKF

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 21

Bearing dimensions and specification in SKF catalogue:

d - 20 mm

D - 52 mm

B - 21 mm

d₁ - - 31.2 mm

D₁ - - 41.85 mm

F - 27.5 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 1.1 mm

s - 1.9 mm

d_a - min. - 26.1 mm

d_a - max. - 26.2 mm

d_b - min. - 33 mm

D_a - max. - 45.4 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 47.5 kN

Basic static load rating - C₀ - 38 kN

Fatigue load limit - P_u - 4.8 kN

Reference speed - 15000 r/min

Limiting speed - 18000 r/min

Calculation factor - k_r - 0.25

Mass bearing - 0.217 kg

Designation

Bore Dia, mm

Outer Dia, mm: