Bearing NJ 321 ECP (SKF)

Cylindrical roller bearings, single row NJ 321 ECP

Bearing number : NJ 321 ECP

Size (mm) : 105x225x49

Brand : SKF

Bore Diameter (mm) : 105

Outer Diameter (mm) : 225

Width (mm) : 49

Bearing dimensions and specification in SKF catalogue:

d - 105 mm

D - 225 mm

B - 49 mm

d₁ - - 145 mm

D₁ - - 189 mm

F - 133 mm

r_1,2 - min. - 3 mm

r_3,4 - min. - 3 mm

s - 3.4 mm

d_a - min. - 119 mm

d_a - max. - 129 mm

d_b - min. - 148 mm

D_a - max. - 209.4 mm

r_a - max. - 2.5 mm

Basic dynamic load rating - C - 500 kN

Basic static load rating - C₀ - 500 kN

Fatigue load limit - P_u - 57 kN

Reference speed - 3200 r/min

Limiting speed - 3800 r/min

Calculation factor - k_r - 0.15

Mass bearing - 9.074 kg

Designation

Bore Dia, mm

Outer Dia, mm: